./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product19.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 1c8f25e27804cc0facc00502a1bb0df9a338e5f80036ad1c7359da3173e08507 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 22:08:01,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 22:08:01,824 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 22:08:01,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 22:08:01,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 22:08:01,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 22:08:01,849 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 22:08:01,850 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 22:08:01,850 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 22:08:01,850 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 22:08:01,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 22:08:01,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 22:08:01,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 22:08:01,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 22:08:01,852 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 22:08:01,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 22:08:01,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 22:08:01,853 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 22:08:01,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 22:08:01,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 22:08:01,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 22:08:01,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 22:08:01,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 22:08:01,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 22:08:01,857 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 22:08:01,857 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 22:08:01,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 22:08:01,858 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 22:08:01,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 22:08:01,858 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 22:08:01,859 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 22:08:01,859 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 22:08:01,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:08:01,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 22:08:01,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 22:08:01,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 22:08:01,860 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 22:08:01,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 22:08:01,860 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 22:08:01,860 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 22:08:01,860 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 22:08:01,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 22:08:01,861 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c8f25e27804cc0facc00502a1bb0df9a338e5f80036ad1c7359da3173e08507 [2024-11-19 22:08:02,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 22:08:02,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 22:08:02,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 22:08:02,091 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 22:08:02,091 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 22:08:02,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2024-11-19 22:08:03,364 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 22:08:03,532 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 22:08:03,533 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2024-11-19 22:08:03,547 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40112bf9d/b55abe01434c425ea68c81236cb2748b/FLAG9617e3371 [2024-11-19 22:08:03,911 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40112bf9d/b55abe01434c425ea68c81236cb2748b [2024-11-19 22:08:03,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 22:08:03,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 22:08:03,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 22:08:03,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 22:08:03,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 22:08:03,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:08:03" (1/1) ... [2024-11-19 22:08:03,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@226eeb83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:03, skipping insertion in model container [2024-11-19 22:08:03,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:08:03" (1/1) ... [2024-11-19 22:08:03,969 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 22:08:04,179 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_product19.cil.c[4965,4978] [2024-11-19 22:08:04,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:08:04,285 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 22:08:04,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-19 22:08:04,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2024-11-19 22:08:04,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [301] [2024-11-19 22:08:04,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [310] [2024-11-19 22:08:04,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [676] [2024-11-19 22:08:04,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [766] [2024-11-19 22:08:04,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [804] [2024-11-19 22:08:04,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [853] [2024-11-19 22:08:04,310 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_product19.cil.c[4965,4978] [2024-11-19 22:08:04,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:08:04,365 INFO L204 MainTranslator]: Completed translation [2024-11-19 22:08:04,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:04 WrapperNode [2024-11-19 22:08:04,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 22:08:04,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 22:08:04,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 22:08:04,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 22:08:04,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:04" (1/1) ... [2024-11-19 22:08:04,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:04" (1/1) ... [2024-11-19 22:08:04,414 INFO L138 Inliner]: procedures = 55, calls = 98, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 174 [2024-11-19 22:08:04,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 22:08:04,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 22:08:04,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 22:08:04,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 22:08:04,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:04" (1/1) ... [2024-11-19 22:08:04,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:04" (1/1) ... [2024-11-19 22:08:04,433 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:04" (1/1) ... [2024-11-19 22:08:04,459 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 22:08:04,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:04" (1/1) ... [2024-11-19 22:08:04,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:04" (1/1) ... [2024-11-19 22:08:04,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:04" (1/1) ... [2024-11-19 22:08:04,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:04" (1/1) ... [2024-11-19 22:08:04,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:04" (1/1) ... [2024-11-19 22:08:04,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:04" (1/1) ... [2024-11-19 22:08:04,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 22:08:04,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 22:08:04,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 22:08:04,478 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 22:08:04,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:04" (1/1) ... [2024-11-19 22:08:04,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:08:04,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:08:04,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 22:08:04,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 22:08:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 22:08:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-19 22:08:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-19 22:08:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-19 22:08:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-19 22:08:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-19 22:08:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-19 22:08:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-19 22:08:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-19 22:08:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-19 22:08:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-19 22:08:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-19 22:08:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-19 22:08:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 22:08:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-19 22:08:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-19 22:08:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 22:08:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 22:08:04,616 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 22:08:04,619 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 22:08:04,839 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-19 22:08:04,839 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 22:08:04,855 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 22:08:04,855 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 22:08:04,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:08:04 BoogieIcfgContainer [2024-11-19 22:08:04,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 22:08:04,858 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 22:08:04,858 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 22:08:04,861 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 22:08:04,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:08:03" (1/3) ... [2024-11-19 22:08:04,863 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e77ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:08:04, skipping insertion in model container [2024-11-19 22:08:04,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:08:04" (2/3) ... [2024-11-19 22:08:04,863 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e77ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:08:04, skipping insertion in model container [2024-11-19 22:08:04,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:08:04" (3/3) ... [2024-11-19 22:08:04,865 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product19.cil.c [2024-11-19 22:08:04,879 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 22:08:04,879 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 22:08:04,930 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 22:08:04,938 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;@9b9fa66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 22:08:04,938 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 22:08:04,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 72 states have internal predecessors, (89), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-19 22:08:04,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-19 22:08:04,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:08:04,957 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:08:04,958 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:08:04,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:08:04,963 INFO L85 PathProgramCache]: Analyzing trace with hash -2141742275, now seen corresponding path program 1 times [2024-11-19 22:08:04,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:08:04,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196961535] [2024-11-19 22:08:04,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:08:04,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:08:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:05,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-19 22:08:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:05,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-19 22:08:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:05,156 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 22:08:05,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:08:05,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196961535] [2024-11-19 22:08:05,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196961535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:08:05,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:08:05,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 22:08:05,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398320603] [2024-11-19 22:08:05,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:08:05,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 22:08:05,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:08:05,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 22:08:05,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 22:08:05,211 INFO L87 Difference]: Start difference. First operand has 86 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 72 states have internal predecessors, (89), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 22:08:05,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:08:05,278 INFO L93 Difference]: Finished difference Result 163 states and 220 transitions. [2024-11-19 22:08:05,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 22:08:05,285 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-19 22:08:05,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:08:05,297 INFO L225 Difference]: With dead ends: 163 [2024-11-19 22:08:05,297 INFO L226 Difference]: Without dead ends: 77 [2024-11-19 22:08:05,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 22:08:05,305 INFO L432 NwaCegarLoop]: 107 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, 107 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:08:05,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:08:05,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-19 22:08:05,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-19 22:08:05,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.293103448275862) internal successors, (75), 64 states have internal predecessors, (75), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 22:08:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2024-11-19 22:08:05,345 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 32 [2024-11-19 22:08:05,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:08:05,346 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2024-11-19 22:08:05,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 22:08:05,347 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2024-11-19 22:08:05,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-19 22:08:05,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:08:05,350 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:08:05,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 22:08:05,350 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:08:05,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:08:05,351 INFO L85 PathProgramCache]: Analyzing trace with hash 464192103, now seen corresponding path program 1 times [2024-11-19 22:08:05,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:08:05,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191424921] [2024-11-19 22:08:05,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:08:05,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:08:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:05,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:08:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:05,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-19 22:08:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:05,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 22:08:05,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:08:05,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191424921] [2024-11-19 22:08:05,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191424921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:08:05,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:08:05,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 22:08:05,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318540339] [2024-11-19 22:08:05,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:08:05,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 22:08:05,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:08:05,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 22:08:05,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 22:08:05,560 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 22:08:05,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:08:05,771 INFO L93 Difference]: Finished difference Result 270 states and 358 transitions. [2024-11-19 22:08:05,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 22:08:05,772 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2024-11-19 22:08:05,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:08:05,773 INFO L225 Difference]: With dead ends: 270 [2024-11-19 22:08:05,774 INFO L226 Difference]: Without dead ends: 201 [2024-11-19 22:08:05,774 INFO L431 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 [2024-11-19 22:08:05,775 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 166 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:08:05,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 450 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:08:05,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-19 22:08:05,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 195. [2024-11-19 22:08:05,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 144 states have (on average 1.3194444444444444) internal successors, (190), 158 states have internal predecessors, (190), 33 states have call successors, (33), 20 states have call predecessors, (33), 17 states have return successors, (33), 24 states have call predecessors, (33), 30 states have call successors, (33) [2024-11-19 22:08:05,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 256 transitions. [2024-11-19 22:08:05,801 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 256 transitions. Word has length 37 [2024-11-19 22:08:05,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:08:05,802 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 256 transitions. [2024-11-19 22:08:05,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 22:08:05,803 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 256 transitions. [2024-11-19 22:08:05,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-19 22:08:05,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:08:05,805 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:08:05,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 22:08:05,805 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:08:05,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:08:05,805 INFO L85 PathProgramCache]: Analyzing trace with hash -53498084, now seen corresponding path program 1 times [2024-11-19 22:08:05,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:08:05,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161421612] [2024-11-19 22:08:05,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:08:05,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:08:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:05,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-19 22:08:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:05,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-19 22:08:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:05,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-19 22:08:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:05,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 22:08:05,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:08:05,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161421612] [2024-11-19 22:08:05,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161421612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:08:05,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:08:05,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:08:05,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186847340] [2024-11-19 22:08:05,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:08:05,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:08:05,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:08:05,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:08:05,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:08:05,848 INFO L87 Difference]: Start difference. First operand 195 states and 256 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 22:08:05,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:08:05,864 INFO L93 Difference]: Finished difference Result 290 states and 374 transitions. [2024-11-19 22:08:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:08:05,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2024-11-19 22:08:05,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:08:05,867 INFO L225 Difference]: With dead ends: 290 [2024-11-19 22:08:05,867 INFO L226 Difference]: Without dead ends: 168 [2024-11-19 22:08:05,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:08:05,869 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 16 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:08:05,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 149 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:08:05,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-19 22:08:05,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2024-11-19 22:08:05,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 126 states have (on average 1.3412698412698412) internal successors, (169), 140 states have internal predecessors, (169), 24 states have call successors, (24), 17 states have call predecessors, (24), 17 states have return successors, (25), 18 states have call predecessors, (25), 24 states have call successors, (25) [2024-11-19 22:08:05,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 218 transitions. [2024-11-19 22:08:05,887 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 218 transitions. Word has length 38 [2024-11-19 22:08:05,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:08:05,887 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 218 transitions. [2024-11-19 22:08:05,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 22:08:05,888 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 218 transitions. [2024-11-19 22:08:05,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-19 22:08:05,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:08:05,889 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:08:05,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 22:08:05,889 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 22:08:05,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:08:05,890 INFO L85 PathProgramCache]: Analyzing trace with hash 928611800, now seen corresponding path program 1 times [2024-11-19 22:08:05,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:08:05,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766266120] [2024-11-19 22:08:05,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:08:05,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:08:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:05,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-19 22:08:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:05,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-19 22:08:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:05,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-19 22:08:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:08:05,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 22:08:05,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:08:05,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766266120] [2024-11-19 22:08:05,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766266120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:08:05,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:08:05,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 22:08:05,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644029077] [2024-11-19 22:08:05,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:08:05,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 22:08:05,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:08:05,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 22:08:05,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 22:08:05,977 INFO L87 Difference]: Start difference. First operand 168 states and 218 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 22:08:06,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:08:06,038 INFO L93 Difference]: Finished difference Result 291 states and 382 transitions. [2024-11-19 22:08:06,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 22:08:06,038 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2024-11-19 22:08:06,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:08:06,039 INFO L225 Difference]: With dead ends: 291 [2024-11-19 22:08:06,039 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 22:08:06,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:08:06,041 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 50 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:08:06,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 201 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:08:06,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 22:08:06,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 22:08:06,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:08:06,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 22:08:06,042 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2024-11-19 22:08:06,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:08:06,043 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 22:08:06,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 22:08:06,043 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 22:08:06,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 22:08:06,045 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 22:08:06,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 22:08:06,047 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-19 22:08:06,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 22:08:06,366 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 22:08:06,409 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-19 22:08:06,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:08:06 BoogieIcfgContainer [2024-11-19 22:08:06,415 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 22:08:06,416 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 22:08:06,416 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 22:08:06,416 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 22:08:06,416 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:08:04" (3/4) ... [2024-11-19 22:08:06,422 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 22:08:06,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-19 22:08:06,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-19 22:08:06,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-19 22:08:06,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-19 22:08:06,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-19 22:08:06,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-19 22:08:06,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-19 22:08:06,432 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-19 22:08:06,433 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-19 22:08:06,433 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 22:08:06,433 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 22:08:06,433 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 22:08:06,525 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 22:08:06,526 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 22:08:06,526 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 22:08:06,527 INFO L158 Benchmark]: Toolchain (without parser) took 2612.48ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 69.3MB in the beginning and 133.8MB in the end (delta: -64.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 22:08:06,527 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 22:08:06,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.97ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 69.2MB in the beginning and 139.0MB in the end (delta: -69.8MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-11-19 22:08:06,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.57ms. Allocated memory is still 180.4MB. Free memory was 139.0MB in the beginning and 136.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 22:08:06,529 INFO L158 Benchmark]: Boogie Preprocessor took 61.45ms. Allocated memory is still 180.4MB. Free memory was 136.9MB in the beginning and 134.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 22:08:06,530 INFO L158 Benchmark]: RCFGBuilder took 377.81ms. Allocated memory is still 180.4MB. Free memory was 134.8MB in the beginning and 117.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 22:08:06,530 INFO L158 Benchmark]: TraceAbstraction took 1557.19ms. Allocated memory is still 180.4MB. Free memory was 115.9MB in the beginning and 141.1MB in the end (delta: -25.2MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-11-19 22:08:06,530 INFO L158 Benchmark]: Witness Printer took 111.01ms. Allocated memory is still 180.4MB. Free memory was 141.1MB in the beginning and 133.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 22:08:06,531 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 140.5MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.97ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 69.2MB in the beginning and 139.0MB in the end (delta: -69.8MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.57ms. Allocated memory is still 180.4MB. Free memory was 139.0MB in the beginning and 136.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.45ms. Allocated memory is still 180.4MB. Free memory was 136.9MB in the beginning and 134.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 377.81ms. Allocated memory is still 180.4MB. Free memory was 134.8MB in the beginning and 117.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1557.19ms. Allocated memory is still 180.4MB. Free memory was 115.9MB in the beginning and 141.1MB in the end (delta: -25.2MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Witness Printer took 111.01ms. Allocated memory is still 180.4MB. Free memory was 141.1MB in the beginning and 133.8MB 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 301]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [301] - GenericResultAtLocation [Line: 310]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [310] - GenericResultAtLocation [Line: 676]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [676] - GenericResultAtLocation [Line: 766]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [766] - GenericResultAtLocation [Line: 804]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [804] - GenericResultAtLocation [Line: 853]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [853] * 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: 306]: 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 8 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 238 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 232 mSDsluCounter, 907 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 554 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 139 IncrementalHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 353 mSDtfsCounter, 139 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred in iteration=2, 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, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 234 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: 65]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Location Invariant Derived location invariant: 0 - ProcedureContractResult [Line: 203]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((systemActive == \old(systemActive)) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 162]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: ((pumpRunning == 0) && (0 != systemActive)) Ensures: (((pumpRunning == 0) && (0 != systemActive)) && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 704]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 855]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((systemActive == \old(systemActive)) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 135]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((systemActive == \old(systemActive)) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 692]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 222]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\result == 0)) && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) RESULT: Ultimate proved your program to be correct! [2024-11-19 22:08:06,558 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