./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_spec5_product23.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_spec5_product23.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 3fa2925374831266c365e02bbdeeca981bf102eec792ab5e5349fa193f0e7273 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 22:08:03,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 22:08:03,711 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 22:08:03,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 22:08:03,717 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 22:08:03,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 22:08:03,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 22:08:03,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 22:08:03,741 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 22:08:03,742 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 22:08:03,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 22:08:03,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 22:08:03,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 22:08:03,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 22:08:03,744 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 22:08:03,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 22:08:03,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 22:08:03,745 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 22:08:03,745 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 22:08:03,745 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 22:08:03,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 22:08:03,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 22:08:03,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 22:08:03,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 22:08:03,749 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 22:08:03,749 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 22:08:03,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 22:08:03,749 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 22:08:03,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 22:08:03,749 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 22:08:03,750 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 22:08:03,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 22:08:03,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:08:03,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 22:08:03,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 22:08:03,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 22:08:03,750 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 22:08:03,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 22:08:03,751 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 22:08:03,751 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 22:08:03,751 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 22:08:03,751 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 22:08:03,752 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fa2925374831266c365e02bbdeeca981bf102eec792ab5e5349fa193f0e7273 [2024-11-19 22:08:03,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 22:08:03,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 22:08:03,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 22:08:03,991 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 22:08:03,992 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 22:08:03,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c [2024-11-19 22:08:05,211 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 22:08:05,394 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 22:08:05,395 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c [2024-11-19 22:08:05,409 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/659792134/f21683b98f2c45029b70ba5ab1d621ea/FLAGaafdb470e [2024-11-19 22:08:05,423 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/659792134/f21683b98f2c45029b70ba5ab1d621ea [2024-11-19 22:08:05,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 22:08:05,427 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 22:08:05,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 22:08:05,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 22:08:05,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 22:08:05,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:08:05" (1/1) ... [2024-11-19 22:08:05,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e620bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:05, skipping insertion in model container [2024-11-19 22:08:05,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:08:05" (1/1) ... [2024-11-19 22:08:05,471 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 22:08:05,685 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_spec5_product23.cil.c[11292,11305] [2024-11-19 22:08:05,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:08:05,722 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 22:08:05,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-19 22:08:05,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] [2024-11-19 22:08:05,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [424] [2024-11-19 22:08:05,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [520] [2024-11-19 22:08:05,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [624] [2024-11-19 22:08:05,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [826] [2024-11-19 22:08:05,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [893] [2024-11-19 22:08:05,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [928] [2024-11-19 22:08:05,777 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_spec5_product23.cil.c[11292,11305] [2024-11-19 22:08:05,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:08:05,808 INFO L204 MainTranslator]: Completed translation [2024-11-19 22:08:05,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:05 WrapperNode [2024-11-19 22:08:05,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 22:08:05,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 22:08:05,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 22:08:05,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 22:08:05,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:05" (1/1) ... [2024-11-19 22:08:05,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:05" (1/1) ... [2024-11-19 22:08:05,884 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 200 [2024-11-19 22:08:05,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 22:08:05,885 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 22:08:05,885 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 22:08:05,885 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 22:08:05,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:05" (1/1) ... [2024-11-19 22:08:05,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:05" (1/1) ... [2024-11-19 22:08:05,904 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:05" (1/1) ... [2024-11-19 22:08:05,917 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 22:08:05,917 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:05" (1/1) ... [2024-11-19 22:08:05,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:05" (1/1) ... [2024-11-19 22:08:05,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:05" (1/1) ... [2024-11-19 22:08:05,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:05" (1/1) ... [2024-11-19 22:08:05,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:05" (1/1) ... [2024-11-19 22:08:05,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:05" (1/1) ... [2024-11-19 22:08:05,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 22:08:05,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 22:08:05,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 22:08:05,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 22:08:05,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:05" (1/1) ... [2024-11-19 22:08:05,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:08:05,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:08:05,972 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 22:08:05,974 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 22:08:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 22:08:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-19 22:08:06,010 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-19 22:08:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-19 22:08:06,010 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-19 22:08:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-19 22:08:06,010 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-19 22:08:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-19 22:08:06,010 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-19 22:08:06,011 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-19 22:08:06,011 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-19 22:08:06,011 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-19 22:08:06,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-19 22:08:06,011 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-19 22:08:06,011 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-19 22:08:06,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 22:08:06,011 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-19 22:08:06,011 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-19 22:08:06,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 22:08:06,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 22:08:06,064 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 22:08:06,066 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 22:08:06,288 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-19 22:08:06,289 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 22:08:06,298 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 22:08:06,299 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 22:08:06,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:08:06 BoogieIcfgContainer [2024-11-19 22:08:06,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 22:08:06,300 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 22:08:06,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 22:08:06,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 22:08:06,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:08:05" (1/3) ... [2024-11-19 22:08:06,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b78484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:08:06, skipping insertion in model container [2024-11-19 22:08:06,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:05" (2/3) ... [2024-11-19 22:08:06,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b78484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:08:06, skipping insertion in model container [2024-11-19 22:08:06,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:08:06" (3/3) ... [2024-11-19 22:08:06,304 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product23.cil.c [2024-11-19 22:08:06,316 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 22:08:06,316 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 22:08:06,358 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 22:08:06,363 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;@31a0dc79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 22:08:06,363 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 22:08:06,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 80 states have internal predecessors, (97), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-19 22:08:06,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-19 22:08:06,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:08:06,376 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:08:06,376 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:08:06,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:08:06,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1547746013, now seen corresponding path program 1 times [2024-11-19 22:08:06,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:08:06,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050832018] [2024-11-19 22:08:06,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:08:06,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:08:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:06,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-19 22:08:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:06,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 22:08:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:06,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 22:08:06,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:08:06,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050832018] [2024-11-19 22:08:06,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050832018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:08:06,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:08:06,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 22:08:06,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607956288] [2024-11-19 22:08:06,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:08:06,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 22:08:06,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:08:06,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 22:08:06,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 22:08:06,599 INFO L87 Difference]: Start difference. First operand has 96 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 80 states have internal predecessors, (97), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 22:08:06,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:08:06,631 INFO L93 Difference]: Finished difference Result 183 states and 248 transitions. [2024-11-19 22:08:06,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 22:08:06,633 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-19 22:08:06,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:08:06,641 INFO L225 Difference]: With dead ends: 183 [2024-11-19 22:08:06,641 INFO L226 Difference]: Without dead ends: 87 [2024-11-19 22:08:06,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 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 22:08:06,648 INFO L432 NwaCegarLoop]: 121 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, 121 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 22:08:06,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:08:06,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-19 22:08:06,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-19 22:08:06,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 64 states have (on average 1.296875) internal successors, (83), 72 states have internal predecessors, (83), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-19 22:08:06,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2024-11-19 22:08:06,682 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 32 [2024-11-19 22:08:06,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:08:06,683 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2024-11-19 22:08:06,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 22:08:06,683 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2024-11-19 22:08:06,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-19 22:08:06,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:08:06,685 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:08:06,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 22:08:06,685 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:08:06,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:08:06,686 INFO L85 PathProgramCache]: Analyzing trace with hash 74774986, now seen corresponding path program 1 times [2024-11-19 22:08:06,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:08:06,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838300550] [2024-11-19 22:08:06,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:08:06,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:08:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:06,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-19 22:08:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:06,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-19 22:08:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:06,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 22:08:06,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:08:06,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838300550] [2024-11-19 22:08:06,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838300550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:08:06,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:08:06,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:08:06,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316091198] [2024-11-19 22:08:06,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:08:06,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:08:06,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:08:06,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:08:06,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:08:06,789 INFO L87 Difference]: Start difference. First operand 87 states and 112 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 22:08:06,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:08:06,806 INFO L93 Difference]: Finished difference Result 135 states and 173 transitions. [2024-11-19 22:08:06,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:08:06,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-19 22:08:06,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:08:06,808 INFO L225 Difference]: With dead ends: 135 [2024-11-19 22:08:06,808 INFO L226 Difference]: Without dead ends: 78 [2024-11-19 22:08:06,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 22:08:06,809 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 16 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 177 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 22:08:06,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 177 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:08:06,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-19 22:08:06,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-19 22:08:06,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 66 states have internal predecessors, (76), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-19 22:08:06,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2024-11-19 22:08:06,817 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 33 [2024-11-19 22:08:06,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:08:06,818 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2024-11-19 22:08:06,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 22:08:06,818 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2024-11-19 22:08:06,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-19 22:08:06,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:08:06,819 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:08:06,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 22:08:06,819 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:08:06,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:08:06,820 INFO L85 PathProgramCache]: Analyzing trace with hash -862494468, now seen corresponding path program 1 times [2024-11-19 22:08:06,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:08:06,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219320761] [2024-11-19 22:08:06,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:08:06,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:08:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:06,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:08:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:06,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-19 22:08:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:06,934 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 22:08:06,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:08:06,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219320761] [2024-11-19 22:08:06,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219320761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:08:06,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:08:06,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:08:06,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927994626] [2024-11-19 22:08:06,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:08:06,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:08:06,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:08:06,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:08:06,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:08:06,937 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 22:08:06,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:08:06,971 INFO L93 Difference]: Finished difference Result 217 states and 284 transitions. [2024-11-19 22:08:06,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:08:06,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2024-11-19 22:08:06,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:08:06,986 INFO L225 Difference]: With dead ends: 217 [2024-11-19 22:08:06,988 INFO L226 Difference]: Without dead ends: 147 [2024-11-19 22:08:06,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 22:08:06,990 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 75 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:08:06,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 204 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:08:06,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-19 22:08:07,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 144. [2024-11-19 22:08:07,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 105 states have (on average 1.3333333333333333) internal successors, (140), 120 states have internal predecessors, (140), 24 states have call successors, (24), 14 states have call predecessors, (24), 14 states have return successors, (24), 15 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-19 22:08:07,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 188 transitions. [2024-11-19 22:08:07,012 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 188 transitions. Word has length 37 [2024-11-19 22:08:07,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:08:07,012 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 188 transitions. [2024-11-19 22:08:07,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 22:08:07,013 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 188 transitions. [2024-11-19 22:08:07,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-19 22:08:07,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:08:07,016 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:08:07,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 22:08:07,016 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:08:07,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:08:07,017 INFO L85 PathProgramCache]: Analyzing trace with hash 2078372082, now seen corresponding path program 1 times [2024-11-19 22:08:07,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:08:07,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921569074] [2024-11-19 22:08:07,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:08:07,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:08:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:07,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-19 22:08:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:07,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-19 22:08:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:07,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 22:08:07,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:08:07,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921569074] [2024-11-19 22:08:07,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921569074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:08:07,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:08:07,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 22:08:07,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185506354] [2024-11-19 22:08:07,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:08:07,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 22:08:07,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:08:07,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 22:08:07,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 22:08:07,142 INFO L87 Difference]: Start difference. First operand 144 states and 188 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 22:08:07,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:08:07,212 INFO L93 Difference]: Finished difference Result 240 states and 315 transitions. [2024-11-19 22:08:07,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 22:08:07,213 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-11-19 22:08:07,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:08:07,214 INFO L225 Difference]: With dead ends: 240 [2024-11-19 22:08:07,214 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 22:08:07,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:08:07,215 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 58 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:08:07,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 215 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:08:07,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 22:08:07,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 22:08:07,216 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 22:08:07,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 22:08:07,216 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2024-11-19 22:08:07,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:08:07,216 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 22:08:07,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 22:08:07,217 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 22:08:07,217 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 22:08:07,219 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 22:08:07,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 22:08:07,221 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-19 22:08:07,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 22:08:07,562 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 22:08:07,594 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 22:08:07,597 WARN L156 FloydHoareUtils]: Requires clause for processEnvironment__wrappee__lowWaterSensor contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-19 22:08:07,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:08:07 BoogieIcfgContainer [2024-11-19 22:08:07,600 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 22:08:07,600 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 22:08:07,600 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 22:08:07,600 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 22:08:07,602 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:08:06" (3/4) ... [2024-11-19 22:08:07,603 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 22:08:07,606 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-19 22:08:07,607 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-19 22:08:07,607 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-19 22:08:07,607 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-19 22:08:07,607 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-19 22:08:07,607 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-19 22:08:07,607 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2024-11-19 22:08:07,607 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-19 22:08:07,614 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-19 22:08:07,615 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-19 22:08:07,615 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 22:08:07,616 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 22:08:07,616 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 22:08:07,694 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 22:08:07,695 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 22:08:07,695 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 22:08:07,695 INFO L158 Benchmark]: Toolchain (without parser) took 2268.20ms. Allocated memory is still 153.1MB. Free memory was 83.6MB in the beginning and 66.6MB in the end (delta: 17.0MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-11-19 22:08:07,695 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 22:08:07,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.36ms. Allocated memory is still 153.1MB. Free memory was 83.3MB in the beginning and 61.9MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-19 22:08:07,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.05ms. Allocated memory is still 153.1MB. Free memory was 61.9MB in the beginning and 125.5MB in the end (delta: -63.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 22:08:07,696 INFO L158 Benchmark]: Boogie Preprocessor took 41.64ms. Allocated memory is still 153.1MB. Free memory was 125.5MB in the beginning and 123.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 22:08:07,696 INFO L158 Benchmark]: RCFGBuilder took 371.55ms. Allocated memory is still 153.1MB. Free memory was 123.1MB in the beginning and 104.9MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-19 22:08:07,696 INFO L158 Benchmark]: TraceAbstraction took 1299.44ms. Allocated memory is still 153.1MB. Free memory was 104.2MB in the beginning and 75.0MB in the end (delta: 29.2MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-11-19 22:08:07,696 INFO L158 Benchmark]: Witness Printer took 94.57ms. Allocated memory is still 153.1MB. Free memory was 74.0MB in the beginning and 66.6MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-19 22:08:07,697 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.36ms. Allocated memory is still 153.1MB. Free memory was 83.3MB in the beginning and 61.9MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.05ms. Allocated memory is still 153.1MB. Free memory was 61.9MB in the beginning and 125.5MB in the end (delta: -63.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.64ms. Allocated memory is still 153.1MB. Free memory was 125.5MB in the beginning and 123.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 371.55ms. Allocated memory is still 153.1MB. Free memory was 123.1MB in the beginning and 104.9MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1299.44ms. Allocated memory is still 153.1MB. Free memory was 104.2MB in the beginning and 75.0MB in the end (delta: 29.2MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * Witness Printer took 94.57ms. Allocated memory is still 153.1MB. Free memory was 74.0MB in the beginning and 66.6MB 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [415] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [424] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [520] - GenericResultAtLocation [Line: 624]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [624] - GenericResultAtLocation [Line: 826]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [826] - GenericResultAtLocation [Line: 893]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [893] - GenericResultAtLocation [Line: 928]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [928] * 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: 420]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 155 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 717 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 323 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 394 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 205 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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: 836]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 728]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((head == \old(head)) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS)))) - ProcedureContractResult [Line: 661]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((head == \old(head)) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS)))) - ProcedureContractResult [Line: 458]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((head == \old(head)) && (waterLevel == \old(waterLevel))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS)))) - ProcedureContractResult [Line: 634]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((head == \old(head)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 523]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((head == \old(head)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 446]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((head == \old(head)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS)))) - ProcedureContractResult [Line: 669]: Procedure Contract for processEnvironment__wrappee__lowWaterSensor Derived contract for procedure processEnvironment__wrappee__lowWaterSensor. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((((head == \old(head)) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS)))) - ProcedureContractResult [Line: 747]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\result == 0)) && (((((((head == \old(head)) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS)))) RESULT: Ultimate proved your program to be correct! [2024-11-19 22:08:07,713 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