./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 22:05:28,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 22:05:28,954 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 22:05:28,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 22:05:28,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 22:05:28,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 22:05:28,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 22:05:28,991 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 22:05:28,992 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 22:05:28,994 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 22:05:28,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 22:05:28,995 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 22:05:28,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 22:05:28,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 22:05:28,996 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 22:05:28,996 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 22:05:28,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 22:05:28,997 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 22:05:28,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 22:05:28,997 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 22:05:28,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 22:05:29,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 22:05:29,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 22:05:29,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 22:05:29,004 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 22:05:29,004 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 22:05:29,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 22:05:29,005 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 22:05:29,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 22:05:29,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 22:05:29,005 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 22:05:29,006 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 22:05:29,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:05:29,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 22:05:29,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 22:05:29,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 22:05:29,007 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 22:05:29,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 22:05:29,007 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 22:05:29,008 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 22:05:29,008 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 22:05:29,008 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 22:05:29,009 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b [2024-11-19 22:05:29,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 22:05:29,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 22:05:29,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 22:05:29,283 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 22:05:29,284 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 22:05:29,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2024-11-19 22:05:30,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 22:05:31,035 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 22:05:31,035 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2024-11-19 22:05:31,053 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/326a54696/ee58a84aa369498eb1c7d05102f4f619/FLAG040534f07 [2024-11-19 22:05:31,070 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/326a54696/ee58a84aa369498eb1c7d05102f4f619 [2024-11-19 22:05:31,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 22:05:31,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 22:05:31,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 22:05:31,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 22:05:31,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 22:05:31,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:05:31" (1/1) ... [2024-11-19 22:05:31,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6b49e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31, skipping insertion in model container [2024-11-19 22:05:31,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:05:31" (1/1) ... [2024-11-19 22:05:31,131 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 22:05:31,327 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c[1605,1618] [2024-11-19 22:05:31,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:05:31,499 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 22:05:31,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-19 22:05:31,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] [2024-11-19 22:05:31,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] [2024-11-19 22:05:31,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [360] [2024-11-19 22:05:31,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [461] [2024-11-19 22:05:31,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [496] [2024-11-19 22:05:31,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [586] [2024-11-19 22:05:31,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [625] [2024-11-19 22:05:31,532 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c[1605,1618] [2024-11-19 22:05:31,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:05:31,626 INFO L204 MainTranslator]: Completed translation [2024-11-19 22:05:31,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31 WrapperNode [2024-11-19 22:05:31,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 22:05:31,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 22:05:31,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 22:05:31,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 22:05:31,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2024-11-19 22:05:31,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2024-11-19 22:05:31,692 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 185 [2024-11-19 22:05:31,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 22:05:31,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 22:05:31,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 22:05:31,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 22:05:31,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2024-11-19 22:05:31,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2024-11-19 22:05:31,707 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2024-11-19 22:05:31,738 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 22:05:31,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2024-11-19 22:05:31,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2024-11-19 22:05:31,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2024-11-19 22:05:31,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2024-11-19 22:05:31,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2024-11-19 22:05:31,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2024-11-19 22:05:31,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 22:05:31,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 22:05:31,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 22:05:31,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 22:05:31,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (1/1) ... [2024-11-19 22:05:31,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:05:31,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:05:31,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 22:05:31,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 22:05:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 22:05:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-19 22:05:31,866 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-19 22:05:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-19 22:05:31,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-19 22:05:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-19 22:05:31,867 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-19 22:05:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-19 22:05:31,867 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-19 22:05:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-19 22:05:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-19 22:05:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-19 22:05:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-19 22:05:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-19 22:05:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-19 22:05:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-19 22:05:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-19 22:05:31,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 22:05:31,870 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-19 22:05:31,870 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-19 22:05:31,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 22:05:31,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 22:05:31,936 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 22:05:31,938 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 22:05:32,184 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-19 22:05:32,184 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 22:05:32,197 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 22:05:32,197 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 22:05:32,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:05:32 BoogieIcfgContainer [2024-11-19 22:05:32,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 22:05:32,199 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 22:05:32,199 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 22:05:32,202 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 22:05:32,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:05:31" (1/3) ... [2024-11-19 22:05:32,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc8005d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:05:32, skipping insertion in model container [2024-11-19 22:05:32,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:05:31" (2/3) ... [2024-11-19 22:05:32,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc8005d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:05:32, skipping insertion in model container [2024-11-19 22:05:32,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:05:32" (3/3) ... [2024-11-19 22:05:32,204 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2024-11-19 22:05:32,216 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 22:05:32,217 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 22:05:32,287 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 22:05:32,298 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;@66f12bc8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 22:05:32,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 22:05:32,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 80 states have internal predecessors, (97), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-19 22:05:32,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-19 22:05:32,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:05:32,312 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:05:32,312 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:05:32,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:05:32,316 INFO L85 PathProgramCache]: Analyzing trace with hash -905457996, now seen corresponding path program 1 times [2024-11-19 22:05:32,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:05:32,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090104669] [2024-11-19 22:05:32,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:05:32,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:05:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:32,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-19 22:05:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:32,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:05:32,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:05:32,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090104669] [2024-11-19 22:05:32,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090104669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:05:32,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:05:32,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 22:05:32,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834839670] [2024-11-19 22:05:32,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:05:32,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 22:05:32,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:05:32,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 22:05:32,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 22:05:32,542 INFO L87 Difference]: Start difference. First operand has 98 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 80 states have internal predecessors, (97), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:05:32,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:05:32,572 INFO L93 Difference]: Finished difference Result 187 states and 252 transitions. [2024-11-19 22:05:32,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 22:05:32,580 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-19 22:05:32,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:05:32,588 INFO L225 Difference]: With dead ends: 187 [2024-11-19 22:05:32,588 INFO L226 Difference]: Without dead ends: 89 [2024-11-19 22:05:32,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 22:05:32,595 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:05:32,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:05:32,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-19 22:05:32,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-19 22:05:32,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 64 states have (on average 1.296875) internal successors, (83), 72 states have internal predecessors, (83), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-19 22:05:32,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2024-11-19 22:05:32,641 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 114 transitions. Word has length 25 [2024-11-19 22:05:32,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:05:32,642 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 114 transitions. [2024-11-19 22:05:32,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:05:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2024-11-19 22:05:32,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-19 22:05:32,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:05:32,645 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:05:32,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 22:05:32,646 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:05:32,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:05:32,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1775513804, now seen corresponding path program 1 times [2024-11-19 22:05:32,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:05:32,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630162973] [2024-11-19 22:05:32,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:05:32,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:05:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:32,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-19 22:05:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:32,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:05:32,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:05:32,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630162973] [2024-11-19 22:05:32,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630162973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:05:32,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:05:32,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:05:32,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125142968] [2024-11-19 22:05:32,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:05:32,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:05:32,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:05:32,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:05:32,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:05:32,764 INFO L87 Difference]: Start difference. First operand 89 states and 114 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:05:32,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:05:32,800 INFO L93 Difference]: Finished difference Result 138 states and 176 transitions. [2024-11-19 22:05:32,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:05:32,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2024-11-19 22:05:32,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:05:32,803 INFO L225 Difference]: With dead ends: 138 [2024-11-19 22:05:32,803 INFO L226 Difference]: Without dead ends: 80 [2024-11-19 22:05:32,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:05:32,805 INFO L432 NwaCegarLoop]: 101 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, 180 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:05:32,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 180 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:05:32,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-19 22:05:32,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-19 22:05:32,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 66 states have internal predecessors, (76), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-19 22:05:32,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 102 transitions. [2024-11-19 22:05:32,828 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 102 transitions. Word has length 26 [2024-11-19 22:05:32,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:05:32,829 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 102 transitions. [2024-11-19 22:05:32,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:05:32,829 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 102 transitions. [2024-11-19 22:05:32,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-19 22:05:32,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:05:32,831 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:05:32,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 22:05:32,831 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:05:32,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:05:32,832 INFO L85 PathProgramCache]: Analyzing trace with hash -775116306, now seen corresponding path program 1 times [2024-11-19 22:05:32,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:05:32,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444812647] [2024-11-19 22:05:32,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:05:32,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:05:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:33,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-19 22:05:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:33,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:05:33,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:05:33,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444812647] [2024-11-19 22:05:33,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444812647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:05:33,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:05:33,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 22:05:33,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505301971] [2024-11-19 22:05:33,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:05:33,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 22:05:33,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:05:33,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 22:05:33,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 22:05:33,082 INFO L87 Difference]: Start difference. First operand 80 states and 102 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:05:33,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:05:33,360 INFO L93 Difference]: Finished difference Result 265 states and 346 transitions. [2024-11-19 22:05:33,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 22:05:33,361 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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 31 [2024-11-19 22:05:33,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:05:33,364 INFO L225 Difference]: With dead ends: 265 [2024-11-19 22:05:33,365 INFO L226 Difference]: Without dead ends: 193 [2024-11-19 22:05:33,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-19 22:05:33,367 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 228 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 22:05:33,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 395 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 22:05:33,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-19 22:05:33,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 187. [2024-11-19 22:05:33,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 134 states have (on average 1.3507462686567164) internal successors, (181), 152 states have internal predecessors, (181), 31 states have call successors, (31), 21 states have call predecessors, (31), 21 states have return successors, (32), 21 states have call predecessors, (32), 31 states have call successors, (32) [2024-11-19 22:05:33,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 244 transitions. [2024-11-19 22:05:33,399 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 244 transitions. Word has length 31 [2024-11-19 22:05:33,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:05:33,399 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 244 transitions. [2024-11-19 22:05:33,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:05:33,402 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 244 transitions. [2024-11-19 22:05:33,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-19 22:05:33,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:05:33,404 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:05:33,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 22:05:33,405 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:05:33,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:05:33,405 INFO L85 PathProgramCache]: Analyzing trace with hash -471183706, now seen corresponding path program 1 times [2024-11-19 22:05:33,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:05:33,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819388402] [2024-11-19 22:05:33,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:05:33,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:05:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:33,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 22:05:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:05:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:05:33,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:05:33,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819388402] [2024-11-19 22:05:33,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819388402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:05:33,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:05:33,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 22:05:33,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293021784] [2024-11-19 22:05:33,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:05:33,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:05:33,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:05:33,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:05:33,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:05:33,519 INFO L87 Difference]: Start difference. First operand 187 states and 244 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:05:33,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:05:33,582 INFO L93 Difference]: Finished difference Result 309 states and 408 transitions. [2024-11-19 22:05:33,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:05:33,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 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 34 [2024-11-19 22:05:33,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:05:33,585 INFO L225 Difference]: With dead ends: 309 [2024-11-19 22:05:33,585 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 22:05:33,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:05:33,589 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 56 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:05:33,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 163 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:05:33,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 22:05:33,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 22:05:33,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:05:33,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 22:05:33,593 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2024-11-19 22:05:33,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:05:33,593 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 22:05:33,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:05:33,594 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 22:05:33,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 22:05:33,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 22:05:33,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 22:05:33,600 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-19 22:05:33,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 22:05:34,078 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 22:05:34,117 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-19 22:05:34,121 WARN L156 FloydHoareUtils]: Requires clause for processEnvironment__wrappee__methaneQuery contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0) (not (= 0 ~systemActive~0))) Eliminated clause: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2024-11-19 22:05:34,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:05:34 BoogieIcfgContainer [2024-11-19 22:05:34,124 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 22:05:34,124 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 22:05:34,124 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 22:05:34,127 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 22:05:34,127 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:05:32" (3/4) ... [2024-11-19 22:05:34,130 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 22:05:34,134 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-19 22:05:34,134 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-19 22:05:34,135 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-19 22:05:34,135 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-19 22:05:34,135 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-19 22:05:34,135 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-19 22:05:34,135 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-19 22:05:34,135 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-11-19 22:05:34,136 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-11-19 22:05:34,144 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-19 22:05:34,145 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-19 22:05:34,145 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 22:05:34,146 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 22:05:34,146 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 22:05:34,263 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 22:05:34,266 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 22:05:34,266 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 22:05:34,267 INFO L158 Benchmark]: Toolchain (without parser) took 3191.18ms. Allocated memory is still 138.4MB. Free memory was 69.6MB in the beginning and 91.0MB in the end (delta: -21.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 22:05:34,267 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 109.1MB. Free memory was 70.5MB in the beginning and 70.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 22:05:34,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.31ms. Allocated memory is still 138.4MB. Free memory was 69.4MB in the beginning and 104.1MB in the end (delta: -34.7MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-11-19 22:05:34,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.76ms. Allocated memory is still 138.4MB. Free memory was 104.1MB in the beginning and 102.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 22:05:34,268 INFO L158 Benchmark]: Boogie Preprocessor took 74.00ms. Allocated memory is still 138.4MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 22:05:34,268 INFO L158 Benchmark]: RCFGBuilder took 430.46ms. Allocated memory is still 138.4MB. Free memory was 99.9MB in the beginning and 81.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-19 22:05:34,269 INFO L158 Benchmark]: TraceAbstraction took 1924.44ms. Allocated memory is still 138.4MB. Free memory was 80.4MB in the beginning and 98.4MB in the end (delta: -18.0MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2024-11-19 22:05:34,269 INFO L158 Benchmark]: Witness Printer took 142.20ms. Allocated memory is still 138.4MB. Free memory was 98.4MB in the beginning and 91.0MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-19 22:05:34,273 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 109.1MB. Free memory was 70.5MB in the beginning and 70.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.31ms. Allocated memory is still 138.4MB. Free memory was 69.4MB in the beginning and 104.1MB in the end (delta: -34.7MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.76ms. Allocated memory is still 138.4MB. Free memory was 104.1MB in the beginning and 102.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.00ms. Allocated memory is still 138.4MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 430.46ms. Allocated memory is still 138.4MB. Free memory was 99.9MB in the beginning and 81.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1924.44ms. Allocated memory is still 138.4MB. Free memory was 80.4MB in the beginning and 98.4MB in the end (delta: -18.0MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * Witness Printer took 142.20ms. Allocated memory is still 138.4MB. Free memory was 98.4MB in the beginning and 91.0MB in the end (delta: 7.4MB). 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] - GenericResultAtLocation [Line: 133]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] - GenericResultAtLocation [Line: 360]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [360] - GenericResultAtLocation [Line: 461]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [461] - GenericResultAtLocation [Line: 496]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [496] - GenericResultAtLocation [Line: 586]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [586] - GenericResultAtLocation [Line: 625]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [625] * 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: 54]: 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 10 procedures, 98 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 305 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 301 mSDsluCounter, 861 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 467 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 124 IncrementalHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 394 mSDtfsCounter, 124 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 182 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 74]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 254]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head)))) - ProcedureContractResult [Line: 170]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: ((pumpRunning == 0) && (0 != systemActive)) Ensures: (((pumpRunning == 0) && (0 != systemActive)) && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head)))) - ProcedureContractResult [Line: 524]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head)))) - ProcedureContractResult [Line: 536]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head)))) - ProcedureContractResult [Line: 362]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head)))) - ProcedureContractResult [Line: 146]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head)))) - ProcedureContractResult [Line: 512]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head)))) - ProcedureContractResult [Line: 178]: Procedure Contract for processEnvironment__wrappee__methaneQuery Derived contract for procedure processEnvironment__wrappee__methaneQuery. Requires: ((pumpRunning == 0) && (0 != systemActive)) Ensures: ((((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (0 != systemActive)) && ((((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head)))) - ProcedureContractResult [Line: 262]: Procedure Contract for isMethaneAlarm Derived contract for procedure isMethaneAlarm. Requires: 0 Ensures: (0 && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (methAndRunningLastTime == \old(methAndRunningLastTime))) && (head == \old(head)))) RESULT: Ultimate proved your program to be correct! [2024-11-19 22:05:34,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE