./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_spec1_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d 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_spec1_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 0858956fa78fab41d54951630cb21e24f98b592c89580084f0bb3139b8ef83d9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 19:38:57,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 19:38:57,357 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 19:38:57,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 19:38:57,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 19:38:57,383 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 19:38:57,383 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 19:38:57,384 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 19:38:57,384 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 19:38:57,387 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 19:38:57,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 19:38:57,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 19:38:57,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 19:38:57,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 19:38:57,388 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 19:38:57,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 19:38:57,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 19:38:57,389 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 19:38:57,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 19:38:57,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 19:38:57,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 19:38:57,390 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 19:38:57,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 19:38:57,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 19:38:57,391 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 19:38:57,392 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 19:38:57,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 19:38:57,392 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 19:38:57,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 19:38:57,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 19:38:57,392 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 19:38:57,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 19:38:57,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 19:38:57,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 19:38:57,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 19:38:57,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 19:38:57,394 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 19:38:57,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 19:38:57,395 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 19:38:57,395 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 19:38:57,395 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 19:38:57,395 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 19:38:57,396 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0858956fa78fab41d54951630cb21e24f98b592c89580084f0bb3139b8ef83d9 [2024-10-12 19:38:57,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 19:38:57,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 19:38:57,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 19:38:57,605 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 19:38:57,605 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 19:38:57,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2024-10-12 19:38:58,839 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 19:38:59,044 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 19:38:59,048 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2024-10-12 19:38:59,063 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3ff238d/e71ccdc8fbce4cecbab3c939251be9b6/FLAG6bb94a91b [2024-10-12 19:38:59,076 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3ff238d/e71ccdc8fbce4cecbab3c939251be9b6 [2024-10-12 19:38:59,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 19:38:59,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 19:38:59,082 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 19:38:59,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 19:38:59,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 19:38:59,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:38:59" (1/1) ... [2024-10-12 19:38:59,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632a1a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:38:59, skipping insertion in model container [2024-10-12 19:38:59,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:38:59" (1/1) ... [2024-10-12 19:38:59,126 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 19:38:59,337 WARN L248 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_spec1_product23.cil.c[18140,18153] [2024-10-12 19:38:59,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 19:38:59,351 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 19:38:59,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-10-12 19:38:59,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2024-10-12 19:38:59,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [511] [2024-10-12 19:38:59,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [581] [2024-10-12 19:38:59,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [779] [2024-10-12 19:38:59,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [806] [2024-10-12 19:38:59,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [844] [2024-10-12 19:38:59,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [940] [2024-10-12 19:38:59,450 WARN L248 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_spec1_product23.cil.c[18140,18153] [2024-10-12 19:38:59,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 19:38:59,475 INFO L204 MainTranslator]: Completed translation [2024-10-12 19:38:59,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:38:59 WrapperNode [2024-10-12 19:38:59,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 19:38:59,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 19:38:59,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 19:38:59,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 19:38:59,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:38:59" (1/1) ... [2024-10-12 19:38:59,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:38:59" (1/1) ... [2024-10-12 19:38:59,514 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 183 [2024-10-12 19:38:59,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 19:38:59,514 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 19:38:59,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 19:38:59,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 19:38:59,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:38:59" (1/1) ... [2024-10-12 19:38:59,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:38:59" (1/1) ... [2024-10-12 19:38:59,524 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:38:59" (1/1) ... [2024-10-12 19:38:59,537 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]. [2024-10-12 19:38:59,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:38:59" (1/1) ... [2024-10-12 19:38:59,537 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:38:59" (1/1) ... [2024-10-12 19:38:59,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:38:59" (1/1) ... [2024-10-12 19:38:59,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:38:59" (1/1) ... [2024-10-12 19:38:59,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:38:59" (1/1) ... [2024-10-12 19:38:59,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:38:59" (1/1) ... [2024-10-12 19:38:59,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 19:38:59,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 19:38:59,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 19:38:59,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 19:38:59,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:38:59" (1/1) ... [2024-10-12 19:38:59,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 19:38:59,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 19:38:59,580 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) [2024-10-12 19:38:59,582 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 [2024-10-12 19:38:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 19:38:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-10-12 19:38:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-10-12 19:38:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-10-12 19:38:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-10-12 19:38:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-10-12 19:38:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-10-12 19:38:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-10-12 19:38:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-10-12 19:38:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-10-12 19:38:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-10-12 19:38:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2024-10-12 19:38:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2024-10-12 19:38:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-10-12 19:38:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-10-12 19:38:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 19:38:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-10-12 19:38:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-10-12 19:38:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 19:38:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 19:38:59,700 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 19:38:59,703 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 19:38:59,892 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-10-12 19:38:59,892 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 19:38:59,948 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 19:38:59,949 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-12 19:38:59,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:38:59 BoogieIcfgContainer [2024-10-12 19:38:59,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 19:38:59,950 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 19:38:59,951 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 19:38:59,953 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 19:38:59,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 07:38:59" (1/3) ... [2024-10-12 19:38:59,953 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fcf6026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:38:59, skipping insertion in model container [2024-10-12 19:38:59,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:38:59" (2/3) ... [2024-10-12 19:38:59,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fcf6026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:38:59, skipping insertion in model container [2024-10-12 19:38:59,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:38:59" (3/3) ... [2024-10-12 19:38:59,955 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2024-10-12 19:38:59,966 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 19:38:59,966 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 19:39:00,008 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 19:39:00,016 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;@6324839a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 19:39:00,016 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 19:39:00,020 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 47 states have (on average 1.5319148936170213) internal successors, (72), 56 states have internal predecessors, (72), 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) [2024-10-12 19:39:00,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-12 19:39:00,027 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:39:00,028 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:39:00,028 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:39:00,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:39:00,033 INFO L85 PathProgramCache]: Analyzing trace with hash 854107779, now seen corresponding path program 1 times [2024-10-12 19:39:00,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:39:00,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807186041] [2024-10-12 19:39:00,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:39:00,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:39:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:39:00,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-12 19:39:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:39:00,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 19:39:00,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:39:00,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807186041] [2024-10-12 19:39:00,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807186041] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:39:00,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:39:00,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 19:39:00,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633138723] [2024-10-12 19:39:00,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:39:00,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 19:39:00,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:39:00,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 19:39:00,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 19:39:00,224 INFO L87 Difference]: Start difference. First operand has 72 states, 47 states have (on average 1.5319148936170213) internal successors, (72), 56 states have internal predecessors, (72), 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 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-12 19:39:00,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:39:00,271 INFO L93 Difference]: Finished difference Result 142 states and 205 transitions. [2024-10-12 19:39:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 19:39:00,274 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-10-12 19:39:00,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:39:00,280 INFO L225 Difference]: With dead ends: 142 [2024-10-12 19:39:00,280 INFO L226 Difference]: Without dead ends: 67 [2024-10-12 19:39:00,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 19:39:00,288 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:39:00,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 19:39:00,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-12 19:39:00,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-10-12 19:39:00,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 52 states have internal predecessors, (62), 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) [2024-10-12 19:39:00,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 91 transitions. [2024-10-12 19:39:00,326 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 91 transitions. Word has length 16 [2024-10-12 19:39:00,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:39:00,326 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 91 transitions. [2024-10-12 19:39:00,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-12 19:39:00,327 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2024-10-12 19:39:00,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-12 19:39:00,331 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:39:00,331 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 19:39:00,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 19:39:00,331 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:39:00,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:39:00,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1349940867, now seen corresponding path program 1 times [2024-10-12 19:39:00,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:39:00,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788438574] [2024-10-12 19:39:00,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:39:00,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:39:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:39:00,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-12 19:39:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:39:00,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 19:39:00,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:39:00,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788438574] [2024-10-12 19:39:00,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788438574] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:39:00,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:39:00,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 19:39:00,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674636565] [2024-10-12 19:39:00,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:39:00,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 19:39:00,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:39:00,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 19:39:00,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 19:39:00,443 INFO L87 Difference]: Start difference. First operand 67 states and 91 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-12 19:39:00,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:39:00,477 INFO L93 Difference]: Finished difference Result 104 states and 140 transitions. [2024-10-12 19:39:00,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 19:39:00,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-10-12 19:39:00,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:39:00,479 INFO L225 Difference]: With dead ends: 104 [2024-10-12 19:39:00,479 INFO L226 Difference]: Without dead ends: 59 [2024-10-12 19:39:00,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 19:39:00,481 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 14 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:39:00,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 121 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 19:39:00,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-10-12 19:39:00,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-10-12 19:39:00,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 39 states have (on average 1.435897435897436) internal successors, (56), 47 states have internal predecessors, (56), 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) [2024-10-12 19:39:00,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 80 transitions. [2024-10-12 19:39:00,495 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 80 transitions. Word has length 17 [2024-10-12 19:39:00,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:39:00,495 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 80 transitions. [2024-10-12 19:39:00,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-12 19:39:00,495 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2024-10-12 19:39:00,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-12 19:39:00,497 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:39:00,497 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] [2024-10-12 19:39:00,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 19:39:00,497 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:39:00,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:39:00,499 INFO L85 PathProgramCache]: Analyzing trace with hash 448718329, now seen corresponding path program 1 times [2024-10-12 19:39:00,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:39:00,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099198862] [2024-10-12 19:39:00,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:39:00,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:39:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:39:00,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-12 19:39:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:39:00,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 19:39:00,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:39:00,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099198862] [2024-10-12 19:39:00,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099198862] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:39:00,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:39:00,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 19:39:00,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81411493] [2024-10-12 19:39:00,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:39:00,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 19:39:00,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:39:00,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 19:39:00,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 19:39:00,595 INFO L87 Difference]: Start difference. First operand 59 states and 80 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-12 19:39:00,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:39:00,645 INFO L93 Difference]: Finished difference Result 173 states and 237 transitions. [2024-10-12 19:39:00,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 19:39:00,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-10-12 19:39:00,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:39:00,647 INFO L225 Difference]: With dead ends: 173 [2024-10-12 19:39:00,647 INFO L226 Difference]: Without dead ends: 116 [2024-10-12 19:39:00,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 19:39:00,649 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 67 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:39:00,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 146 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 19:39:00,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-10-12 19:39:00,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 113. [2024-10-12 19:39:00,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 74 states have (on average 1.445945945945946) internal successors, (107), 89 states have internal predecessors, (107), 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) [2024-10-12 19:39:00,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 155 transitions. [2024-10-12 19:39:00,663 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 155 transitions. Word has length 20 [2024-10-12 19:39:00,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:39:00,663 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 155 transitions. [2024-10-12 19:39:00,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-12 19:39:00,663 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 155 transitions. [2024-10-12 19:39:00,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-12 19:39:00,664 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 19:39:00,664 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] [2024-10-12 19:39:00,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-12 19:39:00,664 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 19:39:00,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 19:39:00,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1295726455, now seen corresponding path program 1 times [2024-10-12 19:39:00,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 19:39:00,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85526816] [2024-10-12 19:39:00,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 19:39:00,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 19:39:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:39:00,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-12 19:39:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 19:39:00,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 19:39:00,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 19:39:00,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85526816] [2024-10-12 19:39:00,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85526816] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 19:39:00,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 19:39:00,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 19:39:00,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598021079] [2024-10-12 19:39:00,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 19:39:00,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 19:39:00,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 19:39:00,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 19:39:00,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 19:39:00,742 INFO L87 Difference]: Start difference. First operand 113 states and 155 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-12 19:39:00,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 19:39:00,789 INFO L93 Difference]: Finished difference Result 192 states and 263 transitions. [2024-10-12 19:39:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 19:39:00,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 23 [2024-10-12 19:39:00,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 19:39:00,790 INFO L225 Difference]: With dead ends: 192 [2024-10-12 19:39:00,790 INFO L226 Difference]: Without dead ends: 0 [2024-10-12 19:39:00,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-12 19:39:00,791 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 32 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 19:39:00,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 75 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 19:39:00,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-12 19:39:00,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-12 19:39:00,792 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) [2024-10-12 19:39:00,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-12 19:39:00,793 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2024-10-12 19:39:00,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 19:39:00,793 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 19:39:00,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-12 19:39:00,795 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-12 19:39:00,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-12 19:39:00,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-12 19:39:00,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-12 19:39:00,799 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-12 19:39:00,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-12 19:39:01,053 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-12 19:39:01,077 WARN L155 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-10-12 19:39:01,083 WARN L155 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) [2024-10-12 19:39:01,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 07:39:01 BoogieIcfgContainer [2024-10-12 19:39:01,083 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-12 19:39:01,084 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 19:39:01,084 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 19:39:01,086 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 19:39:01,086 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:38:59" (3/4) ... [2024-10-12 19:39:01,088 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-12 19:39:01,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-10-12 19:39:01,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-10-12 19:39:01,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-10-12 19:39:01,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-10-12 19:39:01,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-10-12 19:39:01,091 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-10-12 19:39:01,091 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-10-12 19:39:01,091 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2024-10-12 19:39:01,096 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2024-10-12 19:39:01,096 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-12 19:39:01,097 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-12 19:39:01,097 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-12 19:39:01,097 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-12 19:39:01,182 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-12 19:39:01,182 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-12 19:39:01,182 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 19:39:01,182 INFO L158 Benchmark]: Toolchain (without parser) took 2102.77ms. Allocated memory is still 176.2MB. Free memory was 107.8MB in the beginning and 89.7MB in the end (delta: 18.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-10-12 19:39:01,183 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 104.9MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 19:39:01,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.06ms. Allocated memory is still 176.2MB. Free memory was 107.6MB in the beginning and 143.2MB in the end (delta: -35.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-12 19:39:01,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.42ms. Allocated memory is still 176.2MB. Free memory was 143.2MB in the beginning and 141.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 19:39:01,183 INFO L158 Benchmark]: Boogie Preprocessor took 32.28ms. Allocated memory is still 176.2MB. Free memory was 141.1MB in the beginning and 139.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 19:39:01,183 INFO L158 Benchmark]: RCFGBuilder took 401.75ms. Allocated memory is still 176.2MB. Free memory was 139.0MB in the beginning and 116.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-12 19:39:01,183 INFO L158 Benchmark]: TraceAbstraction took 1133.11ms. Allocated memory is still 176.2MB. Free memory was 115.9MB in the beginning and 97.0MB in the end (delta: 18.9MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-10-12 19:39:01,184 INFO L158 Benchmark]: Witness Printer took 98.16ms. Allocated memory is still 176.2MB. Free memory was 97.0MB in the beginning and 89.7MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-12 19:39:01,184 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 104.9MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.06ms. Allocated memory is still 176.2MB. Free memory was 107.6MB in the beginning and 143.2MB in the end (delta: -35.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.42ms. Allocated memory is still 176.2MB. Free memory was 143.2MB in the beginning and 141.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.28ms. Allocated memory is still 176.2MB. Free memory was 141.1MB in the beginning and 139.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 401.75ms. Allocated memory is still 176.2MB. Free memory was 139.0MB in the beginning and 116.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1133.11ms. Allocated memory is still 176.2MB. Free memory was 115.9MB in the beginning and 97.0MB in the end (delta: 18.9MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Witness Printer took 98.16ms. Allocated memory is still 176.2MB. Free memory was 97.0MB in the beginning and 89.7MB in the end (delta: 7.3MB). 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [511] - GenericResultAtLocation [Line: 581]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [581] - GenericResultAtLocation [Line: 779]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [779] - GenericResultAtLocation [Line: 806]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [806] - GenericResultAtLocation [Line: 844]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [844] - GenericResultAtLocation [Line: 940]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [940] * 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: 945]: 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, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 425 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 156 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 269 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=3, InterpolantAutomatonStates: 12, 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, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 524]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 681]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 614]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 449]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 846]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 590]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) - ProcedureContractResult [Line: 461]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 437]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: (pumpRunning == 0) - ProcedureContractResult [Line: 622]: Procedure Contract for processEnvironment__wrappee__lowWaterSensor Derived contract for procedure processEnvironment__wrappee__lowWaterSensor. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (\old(pumpRunning) == 0)) RESULT: Ultimate proved your program to be correct! [2024-10-12 19:39:01,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE