./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_spec4_product14.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_spec4_product14.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 dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 22:07:04,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 22:07:04,278 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 22:07:04,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 22:07:04,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 22:07:04,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 22:07:04,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 22:07:04,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 22:07:04,320 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 22:07:04,323 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 22:07:04,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 22:07:04,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 22:07:04,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 22:07:04,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 22:07:04,326 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 22:07:04,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 22:07:04,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 22:07:04,327 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 22:07:04,327 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 22:07:04,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 22:07:04,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 22:07:04,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 22:07:04,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 22:07:04,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 22:07:04,330 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 22:07:04,330 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 22:07:04,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 22:07:04,331 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 22:07:04,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 22:07:04,331 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 22:07:04,332 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 22:07:04,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 22:07:04,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:07:04,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 22:07:04,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 22:07:04,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 22:07:04,334 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 22:07:04,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 22:07:04,334 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 22:07:04,334 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 22:07:04,335 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 22:07:04,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 22:07:04,335 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c [2024-11-19 22:07:04,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 22:07:04,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 22:07:04,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 22:07:04,632 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 22:07:04,633 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 22:07:04,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2024-11-19 22:07:06,093 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 22:07:06,299 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 22:07:06,299 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2024-11-19 22:07:06,310 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9115cfa15/51f457f2ba10424ead492c15c46206c0/FLAG4c6079617 [2024-11-19 22:07:06,321 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9115cfa15/51f457f2ba10424ead492c15c46206c0 [2024-11-19 22:07:06,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 22:07:06,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 22:07:06,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 22:07:06,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 22:07:06,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 22:07:06,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:07:06" (1/1) ... [2024-11-19 22:07:06,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a8a3de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:06, skipping insertion in model container [2024-11-19 22:07:06,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:07:06" (1/1) ... [2024-11-19 22:07:06,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 22:07:06,693 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_spec4_product14.cil.c[15980,15993] [2024-11-19 22:07:06,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:07:06,721 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 22:07:06,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-19 22:07:06,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2024-11-19 22:07:06,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [173] [2024-11-19 22:07:06,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [539] [2024-11-19 22:07:06,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [609] [2024-11-19 22:07:06,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [772] [2024-11-19 22:07:06,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [781] [2024-11-19 22:07:06,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [877] [2024-11-19 22:07:06,809 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_spec4_product14.cil.c[15980,15993] [2024-11-19 22:07:06,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:07:06,843 INFO L204 MainTranslator]: Completed translation [2024-11-19 22:07:06,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:06 WrapperNode [2024-11-19 22:07:06,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 22:07:06,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 22:07:06,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 22:07:06,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 22:07:06,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:06" (1/1) ... [2024-11-19 22:07:06,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:06" (1/1) ... [2024-11-19 22:07:06,895 INFO L138 Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 163 [2024-11-19 22:07:06,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 22:07:06,896 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 22:07:06,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 22:07:06,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 22:07:06,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:06" (1/1) ... [2024-11-19 22:07:06,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:06" (1/1) ... [2024-11-19 22:07:06,908 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:06" (1/1) ... [2024-11-19 22:07:06,925 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 22:07:06,926 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:06" (1/1) ... [2024-11-19 22:07:06,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:06" (1/1) ... [2024-11-19 22:07:06,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:06" (1/1) ... [2024-11-19 22:07:06,936 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:06" (1/1) ... [2024-11-19 22:07:06,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:06" (1/1) ... [2024-11-19 22:07:06,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:06" (1/1) ... [2024-11-19 22:07:06,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 22:07:06,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 22:07:06,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 22:07:06,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 22:07:06,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:06" (1/1) ... [2024-11-19 22:07:06,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:07:06,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:07:06,980 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 22:07:06,984 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 22:07:07,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 22:07:07,039 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-19 22:07:07,039 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-19 22:07:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-19 22:07:07,040 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-19 22:07:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-19 22:07:07,040 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-19 22:07:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-19 22:07:07,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-19 22:07:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-19 22:07:07,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-19 22:07:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 22:07:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-19 22:07:07,042 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-19 22:07:07,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 22:07:07,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 22:07:07,132 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 22:07:07,134 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 22:07:07,400 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-19 22:07:07,401 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 22:07:07,414 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 22:07:07,415 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 22:07:07,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:07:07 BoogieIcfgContainer [2024-11-19 22:07:07,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 22:07:07,418 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 22:07:07,418 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 22:07:07,421 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 22:07:07,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:07:06" (1/3) ... [2024-11-19 22:07:07,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110e02c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:07:07, skipping insertion in model container [2024-11-19 22:07:07,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:07:06" (2/3) ... [2024-11-19 22:07:07,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110e02c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:07:07, skipping insertion in model container [2024-11-19 22:07:07,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:07:07" (3/3) ... [2024-11-19 22:07:07,423 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2024-11-19 22:07:07,438 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 22:07:07,438 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 22:07:07,502 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 22:07:07,508 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;@11c1ef88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 22:07:07,509 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 22:07:07,513 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 61 states have internal predecessors, (76), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-19 22:07:07,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-19 22:07:07,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:07:07,520 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:07:07,521 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:07:07,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:07:07,525 INFO L85 PathProgramCache]: Analyzing trace with hash 543073060, now seen corresponding path program 1 times [2024-11-19 22:07:07,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:07:07,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686166699] [2024-11-19 22:07:07,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:07:07,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:07:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:07,730 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 22:07:07,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:07:07,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686166699] [2024-11-19 22:07:07,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686166699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:07:07,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:07:07,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 22:07:07,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222565301] [2024-11-19 22:07:07,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:07:07,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 22:07:07,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:07:07,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 22:07:07,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 22:07:07,770 INFO L87 Difference]: Start difference. First operand has 72 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 61 states have internal predecessors, (76), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:07,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:07:07,792 INFO L93 Difference]: Finished difference Result 136 states and 183 transitions. [2024-11-19 22:07:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 22:07:07,794 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-19 22:07:07,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:07:07,800 INFO L225 Difference]: With dead ends: 136 [2024-11-19 22:07:07,800 INFO L226 Difference]: Without dead ends: 63 [2024-11-19 22:07:07,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 22:07:07,806 INFO L432 NwaCegarLoop]: 88 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, 88 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 22:07:07,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:07:07,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-19 22:07:07,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-19 22:07:07,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 53 states have internal predecessors, (62), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 22:07:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2024-11-19 22:07:07,844 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 19 [2024-11-19 22:07:07,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:07:07,844 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions. [2024-11-19 22:07:07,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:07,845 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2024-11-19 22:07:07,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-19 22:07:07,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:07:07,846 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] [2024-11-19 22:07:07,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 22:07:07,847 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:07:07,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:07:07,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1467291632, now seen corresponding path program 1 times [2024-11-19 22:07:07,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:07:07,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260296362] [2024-11-19 22:07:07,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:07:07,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:07:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:07,971 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 22:07:07,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:07:07,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260296362] [2024-11-19 22:07:07,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260296362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:07:07,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:07:07,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:07:07,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813923151] [2024-11-19 22:07:07,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:07:07,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:07:07,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:07:07,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:07:07,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:07:07,975 INFO L87 Difference]: Start difference. First operand 63 states and 79 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:07,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:07:07,993 INFO L93 Difference]: Finished difference Result 91 states and 113 transitions. [2024-11-19 22:07:07,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:07:07,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-19 22:07:07,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:07:07,999 INFO L225 Difference]: With dead ends: 91 [2024-11-19 22:07:07,999 INFO L226 Difference]: Without dead ends: 54 [2024-11-19 22:07:08,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:07:08,002 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 13 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 115 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 22:07:08,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 115 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:07:08,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-19 22:07:08,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-19 22:07:08,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 22:07:08,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2024-11-19 22:07:08,014 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 20 [2024-11-19 22:07:08,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:07:08,014 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2024-11-19 22:07:08,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:08,015 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2024-11-19 22:07:08,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-19 22:07:08,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:07:08,017 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 22:07:08,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 22:07:08,018 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:07:08,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:07:08,019 INFO L85 PathProgramCache]: Analyzing trace with hash -522814899, now seen corresponding path program 1 times [2024-11-19 22:07:08,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:07:08,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026047082] [2024-11-19 22:07:08,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:07:08,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:07:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:08,117 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 22:07:08,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:07:08,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026047082] [2024-11-19 22:07:08,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026047082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:07:08,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:07:08,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:07:08,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083515860] [2024-11-19 22:07:08,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:07:08,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:07:08,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:07:08,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:07:08,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:07:08,124 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. 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, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:08,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:07:08,148 INFO L93 Difference]: Finished difference Result 101 states and 128 transitions. [2024-11-19 22:07:08,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:07:08,149 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, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-19 22:07:08,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:07:08,150 INFO L225 Difference]: With dead ends: 101 [2024-11-19 22:07:08,150 INFO L226 Difference]: Without dead ends: 54 [2024-11-19 22:07:08,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:07:08,152 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 61 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:07:08,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 65 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:07:08,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-19 22:07:08,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-19 22:07:08,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 47 states have internal predecessors, (54), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 22:07:08,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2024-11-19 22:07:08,159 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 25 [2024-11-19 22:07:08,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:07:08,159 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2024-11-19 22:07:08,159 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, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:07:08,159 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2024-11-19 22:07:08,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-19 22:07:08,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:07:08,160 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:07:08,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 22:07:08,161 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:07:08,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:07:08,162 INFO L85 PathProgramCache]: Analyzing trace with hash -2111262197, now seen corresponding path program 1 times [2024-11-19 22:07:08,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:07:08,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462271177] [2024-11-19 22:07:08,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:07:08,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:07:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:08,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-19 22:07:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:08,274 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 22:07:08,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:07:08,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462271177] [2024-11-19 22:07:08,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462271177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:07:08,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:07:08,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 22:07:08,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890455986] [2024-11-19 22:07:08,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:07:08,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:07:08,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:07:08,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:07:08,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:07:08,276 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:07:08,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:07:08,321 INFO L93 Difference]: Finished difference Result 141 states and 181 transitions. [2024-11-19 22:07:08,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:07:08,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-19 22:07:08,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:07:08,323 INFO L225 Difference]: With dead ends: 141 [2024-11-19 22:07:08,323 INFO L226 Difference]: Without dead ends: 94 [2024-11-19 22:07:08,324 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 22:07:08,325 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 32 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:07:08,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 235 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:07:08,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-19 22:07:08,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-19 22:07:08,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 72 states have (on average 1.2777777777777777) internal successors, (92), 80 states have internal predecessors, (92), 12 states have call successors, (12), 10 states have call predecessors, (12), 9 states have return successors, (13), 9 states have call predecessors, (13), 12 states have call successors, (13) [2024-11-19 22:07:08,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 117 transitions. [2024-11-19 22:07:08,340 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 117 transitions. Word has length 30 [2024-11-19 22:07:08,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:07:08,341 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 117 transitions. [2024-11-19 22:07:08,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 22:07:08,341 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 117 transitions. [2024-11-19 22:07:08,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-19 22:07:08,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:07:08,343 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 22:07:08,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 22:07:08,343 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:07:08,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:07:08,344 INFO L85 PathProgramCache]: Analyzing trace with hash 884371153, now seen corresponding path program 1 times [2024-11-19 22:07:08,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:07:08,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957700141] [2024-11-19 22:07:08,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:07:08,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:07:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:08,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-19 22:07:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:08,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 22:07:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:07:08,450 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 22:07:08,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:07:08,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957700141] [2024-11-19 22:07:08,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957700141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:07:08,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:07:08,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 22:07:08,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807926253] [2024-11-19 22:07:08,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:07:08,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 22:07:08,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:07:08,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 22:07:08,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 22:07:08,455 INFO L87 Difference]: Start difference. First operand 94 states and 117 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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) [2024-11-19 22:07:08,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:07:08,562 INFO L93 Difference]: Finished difference Result 160 states and 204 transitions. [2024-11-19 22:07:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 22:07:08,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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 34 [2024-11-19 22:07:08,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:07:08,564 INFO L225 Difference]: With dead ends: 160 [2024-11-19 22:07:08,564 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 22:07:08,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:07:08,566 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 55 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:07:08,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 130 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:07:08,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 22:07:08,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 22:07:08,568 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 22:07:08,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 22:07:08,568 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2024-11-19 22:07:08,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:07:08,568 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 22:07:08,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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) [2024-11-19 22:07:08,569 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 22:07:08,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 22:07:08,571 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 22:07:08,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 22:07:08,574 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-19 22:07:08,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 22:07:08,935 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 22:07:08,985 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |old(~pumpRunning~0)| 0) (= |old(~waterLevel~0)| ~waterLevel~0)) Eliminated clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2024-11-19 22:07:08,989 WARN L156 FloydHoareUtils]: Requires clause for waterRise contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0)) Eliminated clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2024-11-19 22:07:08,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:07:08 BoogieIcfgContainer [2024-11-19 22:07:08,998 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 22:07:09,001 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 22:07:09,001 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 22:07:09,001 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 22:07:09,002 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:07:07" (3/4) ... [2024-11-19 22:07:09,004 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 22:07:09,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-19 22:07:09,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-19 22:07:09,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-19 22:07:09,009 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-19 22:07:09,009 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-11-19 22:07:09,009 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-11-19 22:07:09,016 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-19 22:07:09,017 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-19 22:07:09,017 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 22:07:09,018 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 22:07:09,018 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 22:07:09,118 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 22:07:09,118 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 22:07:09,118 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 22:07:09,119 INFO L158 Benchmark]: Toolchain (without parser) took 2794.12ms. Allocated memory was 159.4MB in the beginning and 220.2MB in the end (delta: 60.8MB). Free memory was 102.7MB in the beginning and 66.0MB in the end (delta: 36.7MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. [2024-11-19 22:07:09,119 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 159.4MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 22:07:09,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.09ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 81.7MB in the end (delta: 20.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-19 22:07:09,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.59ms. Allocated memory is still 159.4MB. Free memory was 81.3MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 22:07:09,120 INFO L158 Benchmark]: Boogie Preprocessor took 44.66ms. Allocated memory is still 159.4MB. Free memory was 79.2MB in the beginning and 77.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 22:07:09,121 INFO L158 Benchmark]: RCFGBuilder took 474.06ms. Allocated memory was 159.4MB in the beginning and 220.2MB in the end (delta: 60.8MB). Free memory was 77.1MB in the beginning and 185.5MB in the end (delta: -108.4MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-11-19 22:07:09,121 INFO L158 Benchmark]: TraceAbstraction took 1581.94ms. Allocated memory is still 220.2MB. Free memory was 184.4MB in the beginning and 72.2MB in the end (delta: 112.2MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. [2024-11-19 22:07:09,122 INFO L158 Benchmark]: Witness Printer took 117.81ms. Allocated memory is still 220.2MB. Free memory was 72.2MB in the beginning and 66.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 22:07:09,123 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 159.4MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 518.09ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 81.7MB in the end (delta: 20.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.59ms. Allocated memory is still 159.4MB. Free memory was 81.3MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.66ms. Allocated memory is still 159.4MB. Free memory was 79.2MB in the beginning and 77.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 474.06ms. Allocated memory was 159.4MB in the beginning and 220.2MB in the end (delta: 60.8MB). Free memory was 77.1MB in the beginning and 185.5MB in the end (delta: -108.4MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1581.94ms. Allocated memory is still 220.2MB. Free memory was 184.4MB in the beginning and 72.2MB in the end (delta: 112.2MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. * Witness Printer took 117.81ms. Allocated memory is still 220.2MB. Free memory was 72.2MB in the beginning and 66.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [173] - GenericResultAtLocation [Line: 539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [539] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [609] - GenericResultAtLocation [Line: 772]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [772] - GenericResultAtLocation [Line: 781]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [781] - GenericResultAtLocation [Line: 877]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [877] * 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: 777]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 165 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 161 mSDsluCounter, 633 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 316 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 317 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=4, InterpolantAutomatonStates: 19, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 203 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 552]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) - ProcedureContractResult [Line: 120]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && (((((waterLevel == \old(waterLevel)) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 783]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (head == \old(head))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 618]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel)) && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (head == \old(head))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 108]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && (((((methaneLevelCritical == \old(methaneLevelCritical)) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 642]: Procedure Contract for processEnvironment__wrappee__methaneQuery Derived contract for procedure processEnvironment__wrappee__methaneQuery. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 708]: Procedure Contract for isMethaneAlarm Derived contract for procedure isMethaneAlarm. Requires: 0 Ensures: (0 && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) RESULT: Ultimate proved your program to be correct! [2024-11-19 22:07:09,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE