./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/product-lines/minepump_spec5_product12.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 a08a330faab409752e65fe7d3101f81f24601e18bc944ca2e918542b1c9d8232 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 20:55:37,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 20:55:37,258 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 20:55:37,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 20:55:37,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 20:55:37,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 20:55:37,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 20:55:37,299 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 20:55:37,300 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 20:55:37,300 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 20:55:37,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 20:55:37,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 20:55:37,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 20:55:37,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 20:55:37,307 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 20:55:37,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 20:55:37,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 20:55:37,308 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 20:55:37,309 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 20:55:37,309 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 20:55:37,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 20:55:37,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 20:55:37,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 20:55:37,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 20:55:37,310 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 20:55:37,311 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 20:55:37,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 20:55:37,311 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 20:55:37,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 20:55:37,312 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 20:55:37,312 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 20:55:37,313 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 20:55:37,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:55:37,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 20:55:37,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 20:55:37,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 20:55:37,315 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 20:55:37,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 20:55:37,316 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 20:55:37,316 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 20:55:37,316 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 20:55:37,317 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 20:55:37,317 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a08a330faab409752e65fe7d3101f81f24601e18bc944ca2e918542b1c9d8232 [2024-11-11 20:55:37,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 20:55:37,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 20:55:37,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 20:55:37,615 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 20:55:37,616 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 20:55:37,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c [2024-11-11 20:55:39,093 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 20:55:39,309 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 20:55:39,310 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c [2024-11-11 20:55:39,322 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb8087c02/1e940cbe3f0f44a687b139ea3b1a8b1f/FLAG5bb1d715d [2024-11-11 20:55:39,335 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb8087c02/1e940cbe3f0f44a687b139ea3b1a8b1f [2024-11-11 20:55:39,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 20:55:39,338 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 20:55:39,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 20:55:39,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 20:55:39,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 20:55:39,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:55:39" (1/1) ... [2024-11-11 20:55:39,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e49e6ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:39, skipping insertion in model container [2024-11-11 20:55:39,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:55:39" (1/1) ... [2024-11-11 20:55:39,385 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 20:55:39,666 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_product12.cil.c[6299,6312] [2024-11-11 20:55:39,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:55:39,760 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 20:55:39,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2024-11-11 20:55:39,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [101] [2024-11-11 20:55:39,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [261] [2024-11-11 20:55:39,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [343] [2024-11-11 20:55:39,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [413] [2024-11-11 20:55:39,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [422] [2024-11-11 20:55:39,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [522] [2024-11-11 20:55:39,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [888] [2024-11-11 20:55:39,797 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_product12.cil.c[6299,6312] [2024-11-11 20:55:39,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:55:39,868 INFO L204 MainTranslator]: Completed translation [2024-11-11 20:55:39,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:39 WrapperNode [2024-11-11 20:55:39,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 20:55:39,872 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 20:55:39,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 20:55:39,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 20:55:39,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:39" (1/1) ... [2024-11-11 20:55:39,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:39" (1/1) ... [2024-11-11 20:55:39,909 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 24, calls inlined = 18, statements flattened = 148 [2024-11-11 20:55:39,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 20:55:39,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 20:55:39,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 20:55:39,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 20:55:39,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:39" (1/1) ... [2024-11-11 20:55:39,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:39" (1/1) ... [2024-11-11 20:55:39,925 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:39" (1/1) ... [2024-11-11 20:55:39,939 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]. [2024-11-11 20:55:39,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:39" (1/1) ... [2024-11-11 20:55:39,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:39" (1/1) ... [2024-11-11 20:55:39,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:39" (1/1) ... [2024-11-11 20:55:39,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:39" (1/1) ... [2024-11-11 20:55:39,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:39" (1/1) ... [2024-11-11 20:55:39,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:39" (1/1) ... [2024-11-11 20:55:39,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 20:55:39,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 20:55:39,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 20:55:39,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 20:55:39,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:39" (1/1) ... [2024-11-11 20:55:39,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:55:39,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:55:39,993 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) [2024-11-11 20:55:39,995 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 [2024-11-11 20:55:40,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 20:55:40,037 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-11 20:55:40,037 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-11 20:55:40,037 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-11 20:55:40,037 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-11 20:55:40,037 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-11 20:55:40,038 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-11 20:55:40,038 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-11 20:55:40,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-11 20:55:40,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 20:55:40,038 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-11 20:55:40,038 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-11 20:55:40,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 20:55:40,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 20:55:40,104 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 20:55:40,106 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 20:55:40,326 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-11 20:55:40,326 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 20:55:40,338 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 20:55:40,338 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-11 20:55:40,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:55:40 BoogieIcfgContainer [2024-11-11 20:55:40,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 20:55:40,341 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 20:55:40,342 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 20:55:40,345 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 20:55:40,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 08:55:39" (1/3) ... [2024-11-11 20:55:40,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4946e5a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:55:40, skipping insertion in model container [2024-11-11 20:55:40,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:55:39" (2/3) ... [2024-11-11 20:55:40,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4946e5a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:55:40, skipping insertion in model container [2024-11-11 20:55:40,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:55:40" (3/3) ... [2024-11-11 20:55:40,348 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product12.cil.c [2024-11-11 20:55:40,364 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 20:55:40,365 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 20:55:40,436 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 20:55:40,444 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;@64161d24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 20:55:40,445 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 20:55:40,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 62 states have internal predecessors, (79), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-11 20:55:40,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-11 20:55:40,458 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:55:40,459 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:55:40,460 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:55:40,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:55:40,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1691668141, now seen corresponding path program 1 times [2024-11-11 20:55:40,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:55:40,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798619305] [2024-11-11 20:55:40,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:55:40,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:55:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:40,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-11 20:55:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:40,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 20:55:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:40,697 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-11 20:55:40,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:55:40,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798619305] [2024-11-11 20:55:40,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798619305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:55:40,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:55:40,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 20:55:40,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509885030] [2024-11-11 20:55:40,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:55:40,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 20:55:40,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:55:40,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 20:55:40,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 20:55:40,726 INFO L87 Difference]: Start difference. First operand has 73 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 62 states have internal predecessors, (79), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) 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) [2024-11-11 20:55:40,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:55:40,748 INFO L93 Difference]: Finished difference Result 137 states and 184 transitions. [2024-11-11 20:55:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 20:55:40,763 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 [2024-11-11 20:55:40,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:55:40,777 INFO L225 Difference]: With dead ends: 137 [2024-11-11 20:55:40,778 INFO L226 Difference]: Without dead ends: 64 [2024-11-11 20:55:40,783 INFO L434 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 [2024-11-11 20:55:40,788 INFO L435 NwaCegarLoop]: 89 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, 89 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 [2024-11-11 20:55:40,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:55:40,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-11 20:55:40,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-11 20:55:40,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 54 states have internal predecessors, (65), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-11 20:55:40,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 80 transitions. [2024-11-11 20:55:40,853 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 80 transitions. Word has length 32 [2024-11-11 20:55:40,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:55:40,854 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 80 transitions. [2024-11-11 20:55:40,854 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) [2024-11-11 20:55:40,854 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2024-11-11 20:55:40,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-11 20:55:40,857 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:55:40,858 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:55:40,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 20:55:40,858 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:55:40,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:55:40,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1926580266, now seen corresponding path program 1 times [2024-11-11 20:55:40,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:55:40,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403209142] [2024-11-11 20:55:40,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:55:40,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:55:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:40,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-11 20:55:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:41,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:55:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:41,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-11 20:55:41,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:55:41,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403209142] [2024-11-11 20:55:41,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403209142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:55:41,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:55:41,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 20:55:41,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927119847] [2024-11-11 20:55:41,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:55:41,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 20:55:41,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:55:41,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 20:55:41,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 20:55:41,016 INFO L87 Difference]: Start difference. First operand 64 states and 80 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) [2024-11-11 20:55:41,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:55:41,033 INFO L93 Difference]: Finished difference Result 88 states and 109 transitions. [2024-11-11 20:55:41,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 20:55:41,035 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 [2024-11-11 20:55:41,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:55:41,036 INFO L225 Difference]: With dead ends: 88 [2024-11-11 20:55:41,037 INFO L226 Difference]: Without dead ends: 55 [2024-11-11 20:55:41,038 INFO L434 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 [2024-11-11 20:55:41,039 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 18 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 112 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 [2024-11-11 20:55:41,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 112 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:55:41,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-11 20:55:41,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-11 20:55:41,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 45 states have (on average 1.288888888888889) internal successors, (58), 48 states have internal predecessors, (58), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-11 20:55:41,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2024-11-11 20:55:41,048 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 33 [2024-11-11 20:55:41,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:55:41,049 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2024-11-11 20:55:41,049 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) [2024-11-11 20:55:41,049 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2024-11-11 20:55:41,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-11 20:55:41,050 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:55:41,050 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:55:41,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 20:55:41,051 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:55:41,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:55:41,052 INFO L85 PathProgramCache]: Analyzing trace with hash 172632065, now seen corresponding path program 1 times [2024-11-11 20:55:41,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:55:41,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048176847] [2024-11-11 20:55:41,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:55:41,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:55:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:41,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 20:55:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:41,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 20:55:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:41,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-11 20:55:41,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:55:41,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048176847] [2024-11-11 20:55:41,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048176847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:55:41,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:55:41,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 20:55:41,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255866120] [2024-11-11 20:55:41,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:55:41,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 20:55:41,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:55:41,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 20:55:41,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-11 20:55:41,260 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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) [2024-11-11 20:55:41,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:55:41,411 INFO L93 Difference]: Finished difference Result 191 states and 246 transitions. [2024-11-11 20:55:41,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 20:55:41,412 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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 38 [2024-11-11 20:55:41,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:55:41,414 INFO L225 Difference]: With dead ends: 191 [2024-11-11 20:55:41,414 INFO L226 Difference]: Without dead ends: 144 [2024-11-11 20:55:41,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-11 20:55:41,418 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 100 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 20:55:41,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 329 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 20:55:41,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-11 20:55:41,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 134. [2024-11-11 20:55:41,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 106 states have (on average 1.330188679245283) internal successors, (141), 113 states have internal predecessors, (141), 15 states have call successors, (15), 12 states have call predecessors, (15), 12 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2024-11-11 20:55:41,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 172 transitions. [2024-11-11 20:55:41,454 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 172 transitions. Word has length 38 [2024-11-11 20:55:41,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:55:41,455 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 172 transitions. [2024-11-11 20:55:41,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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) [2024-11-11 20:55:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 172 transitions. [2024-11-11 20:55:41,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-11 20:55:41,456 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:55:41,456 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:55:41,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 20:55:41,457 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:55:41,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:55:41,457 INFO L85 PathProgramCache]: Analyzing trace with hash 408348587, now seen corresponding path program 1 times [2024-11-11 20:55:41,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:55:41,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126286708] [2024-11-11 20:55:41,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:55:41,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:55:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:41,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-11 20:55:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:41,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-11 20:55:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:55:41,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-11 20:55:41,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:55:41,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126286708] [2024-11-11 20:55:41,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126286708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:55:41,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:55:41,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-11 20:55:41,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418402788] [2024-11-11 20:55:41,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:55:41,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 20:55:41,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:55:41,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 20:55:41,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-11 20:55:41,634 INFO L87 Difference]: Start difference. First operand 134 states and 172 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 20:55:41,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:55:41,718 INFO L93 Difference]: Finished difference Result 248 states and 323 transitions. [2024-11-11 20:55:41,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 20:55:41,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2024-11-11 20:55:41,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:55:41,720 INFO L225 Difference]: With dead ends: 248 [2024-11-11 20:55:41,720 INFO L226 Difference]: Without dead ends: 0 [2024-11-11 20:55:41,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:55:41,722 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 29 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 20:55:41,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 195 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:55:41,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-11 20:55:41,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-11 20:55:41,724 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) [2024-11-11 20:55:41,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-11 20:55:41,724 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2024-11-11 20:55:41,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:55:41,725 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-11 20:55:41,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-11 20:55:41,725 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-11 20:55:41,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-11 20:55:41,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-11 20:55:41,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-11 20:55:41,731 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-11 20:55:41,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-11 20:55:42,028 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 20:55:42,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 08:55:42 BoogieIcfgContainer [2024-11-11 20:55:42,064 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 20:55:42,065 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 20:55:42,065 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 20:55:42,065 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 20:55:42,066 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:55:40" (3/4) ... [2024-11-11 20:55:42,068 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-11 20:55:42,072 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-11 20:55:42,072 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-11 20:55:42,072 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-11 20:55:42,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-11 20:55:42,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-11 20:55:42,079 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-11 20:55:42,079 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-11 20:55:42,080 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-11 20:55:42,080 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-11 20:55:42,080 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-11 20:55:42,197 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-11 20:55:42,199 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-11 20:55:42,200 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 20:55:42,200 INFO L158 Benchmark]: Toolchain (without parser) took 2862.55ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 71.0MB in the beginning and 60.7MB in the end (delta: 10.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-11 20:55:42,201 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 20:55:42,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.91ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 70.7MB in the beginning and 145.1MB in the end (delta: -74.4MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-11-11 20:55:42,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.84ms. Allocated memory is still 182.5MB. Free memory was 145.1MB in the beginning and 143.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 20:55:42,201 INFO L158 Benchmark]: Boogie Preprocessor took 37.58ms. Allocated memory is still 182.5MB. Free memory was 143.0MB in the beginning and 141.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 20:55:42,202 INFO L158 Benchmark]: RCFGBuilder took 390.44ms. Allocated memory is still 182.5MB. Free memory was 141.0MB in the beginning and 124.0MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-11 20:55:42,202 INFO L158 Benchmark]: TraceAbstraction took 1722.88ms. Allocated memory is still 182.5MB. Free memory was 124.0MB in the beginning and 67.9MB in the end (delta: 56.2MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2024-11-11 20:55:42,202 INFO L158 Benchmark]: Witness Printer took 135.00ms. Allocated memory is still 182.5MB. Free memory was 67.9MB in the beginning and 60.7MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-11 20:55:42,204 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 532.91ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 70.7MB in the beginning and 145.1MB in the end (delta: -74.4MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.84ms. Allocated memory is still 182.5MB. Free memory was 145.1MB in the beginning and 143.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.58ms. Allocated memory is still 182.5MB. Free memory was 143.0MB in the beginning and 141.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 390.44ms. Allocated memory is still 182.5MB. Free memory was 141.0MB in the beginning and 124.0MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1722.88ms. Allocated memory is still 182.5MB. Free memory was 124.0MB in the beginning and 67.9MB in the end (delta: 56.2MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. * Witness Printer took 135.00ms. Allocated memory is still 182.5MB. Free memory was 67.9MB in the beginning and 60.7MB in the end (delta: 7.2MB). 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,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [101] - GenericResultAtLocation [Line: 261]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [261] - GenericResultAtLocation [Line: 343]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [343] - GenericResultAtLocation [Line: 413]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [413] - GenericResultAtLocation [Line: 422]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [422] - GenericResultAtLocation [Line: 522]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [522] - GenericResultAtLocation [Line: 888]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [888] * 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: 418]: 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 6 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 147 mSDsluCounter, 725 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 444 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 281 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=3, InterpolantAutomatonStates: 17, 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, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 270 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: 355]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 354]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 290]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((switchedOnBeforeTS == \old(switchedOnBeforeTS)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 424]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 114]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 278]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((switchedOnBeforeTS == \old(switchedOnBeforeTS)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 193]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\result == 0)) && (((((((switchedOnBeforeTS == \old(switchedOnBeforeTS)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) RESULT: Ultimate proved your program to be correct! [2024-11-11 20:55:42,240 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