./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_spec3_product22.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 6f5537df08751fc2a74719abc7c5b127397286d2c5902c5d863d2b34b0e39614 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:19:51,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:19:51,620 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:19:51,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:19:51,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:19:51,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:19:51,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:19:51,647 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:19:51,648 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:19:51,648 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:19:51,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:19:51,648 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:19:51,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:19:51,649 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:19:51,649 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:19:51,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:19:51,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:19:51,650 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:19:51,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:19:51,650 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:19:51,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:19:51,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:19:51,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:19:51,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:19:51,655 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:19:51,655 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:19:51,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:19:51,655 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:19:51,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:19:51,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:19:51,656 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:19:51,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:19:51,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:19:51,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:19:51,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:19:51,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:19:51,657 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:19:51,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:19:51,657 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:19:51,658 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:19:51,658 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:19:51,662 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:19:51,663 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f5537df08751fc2a74719abc7c5b127397286d2c5902c5d863d2b34b0e39614 [2024-11-18 14:19:51,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:19:51,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:19:51,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:19:51,913 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:19:51,914 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:19:51,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product22.cil.c [2024-11-18 14:19:53,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:19:53,518 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:19:53,518 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product22.cil.c [2024-11-18 14:19:53,528 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cd063e74/90e87825d9ff4926b94d6cf84b7c65dd/FLAGc0e8809f4 [2024-11-18 14:19:53,540 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cd063e74/90e87825d9ff4926b94d6cf84b7c65dd [2024-11-18 14:19:53,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:19:53,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:19:53,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:19:53,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:19:53,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:19:53,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:19:53" (1/1) ... [2024-11-18 14:19:53,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c5f5886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:53, skipping insertion in model container [2024-11-18 14:19:53,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:19:53" (1/1) ... [2024-11-18 14:19:53,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:19:53,765 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_spec3_product22.cil.c[2984,2997] [2024-11-18 14:19:53,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:19:53,873 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:19:53,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-18 14:19:53,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [145] [2024-11-18 14:19:53,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [154] [2024-11-18 14:19:53,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [256] [2024-11-18 14:19:53,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [291] [2024-11-18 14:19:53,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [482] [2024-11-18 14:19:53,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [549] [2024-11-18 14:19:53,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [915] [2024-11-18 14:19:53,888 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_spec3_product22.cil.c[2984,2997] [2024-11-18 14:19:53,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:19:53,965 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:19:53,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:53 WrapperNode [2024-11-18 14:19:53,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:19:53,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:19:53,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:19:53,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:19:53,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:53" (1/1) ... [2024-11-18 14:19:53,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:53" (1/1) ... [2024-11-18 14:19:54,007 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 193 [2024-11-18 14:19:54,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:19:54,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:19:54,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:19:54,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:19:54,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:53" (1/1) ... [2024-11-18 14:19:54,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:53" (1/1) ... [2024-11-18 14:19:54,019 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:53" (1/1) ... [2024-11-18 14:19:54,038 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]. [2024-11-18 14:19:54,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:53" (1/1) ... [2024-11-18 14:19:54,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:53" (1/1) ... [2024-11-18 14:19:54,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:53" (1/1) ... [2024-11-18 14:19:54,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:53" (1/1) ... [2024-11-18 14:19:54,047 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:53" (1/1) ... [2024-11-18 14:19:54,048 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:53" (1/1) ... [2024-11-18 14:19:54,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:19:54,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:19:54,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:19:54,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:19:54,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:53" (1/1) ... [2024-11-18 14:19:54,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:19:54,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:19:54,084 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) [2024-11-18 14:19:54,086 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 [2024-11-18 14:19:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:19:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-18 14:19:54,125 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-18 14:19:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-18 14:19:54,125 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-18 14:19:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-18 14:19:54,125 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-18 14:19:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-18 14:19:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-18 14:19:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-18 14:19:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-18 14:19:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-18 14:19:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-18 14:19:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-18 14:19:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-18 14:19:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:19:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-18 14:19:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-18 14:19:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:19:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:19:54,188 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:19:54,189 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:19:54,394 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-18 14:19:54,394 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:19:54,414 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:19:54,415 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-18 14:19:54,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:19:54 BoogieIcfgContainer [2024-11-18 14:19:54,415 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:19:54,417 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:19:54,417 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:19:54,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:19:54,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:19:53" (1/3) ... [2024-11-18 14:19:54,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@559fdc8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:19:54, skipping insertion in model container [2024-11-18 14:19:54,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:53" (2/3) ... [2024-11-18 14:19:54,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@559fdc8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:19:54, skipping insertion in model container [2024-11-18 14:19:54,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:19:54" (3/3) ... [2024-11-18 14:19:54,423 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product22.cil.c [2024-11-18 14:19:54,439 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:19:54,440 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:19:54,505 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:19:54,514 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;@73afcaba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:19:54,514 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:19:54,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 66 states have (on average 1.378787878787879) internal successors, (91), 74 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-18 14:19:54,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-18 14:19:54,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:19:54,529 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:19:54,530 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:19:54,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:19:54,536 INFO L85 PathProgramCache]: Analyzing trace with hash -789886213, now seen corresponding path program 1 times [2024-11-18 14:19:54,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:19:54,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262715834] [2024-11-18 14:19:54,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:19:54,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:19:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:19:54,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:19:54,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:19:54,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262715834] [2024-11-18 14:19:54,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262715834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:19:54,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:19:54,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 14:19:54,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738070042] [2024-11-18 14:19:54,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:19:54,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 14:19:54,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:19:54,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 14:19:54,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:19:54,786 INFO L87 Difference]: Start difference. First operand has 90 states, 66 states have (on average 1.378787878787879) internal successors, (91), 74 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:19:54,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:19:54,810 INFO L93 Difference]: Finished difference Result 172 states and 233 transitions. [2024-11-18 14:19:54,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 14:19:54,812 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-18 14:19:54,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:19:54,819 INFO L225 Difference]: With dead ends: 172 [2024-11-18 14:19:54,820 INFO L226 Difference]: Without dead ends: 81 [2024-11-18 14:19:54,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:19:54,840 INFO L432 NwaCegarLoop]: 113 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, 113 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 [2024-11-18 14:19:54,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:19:54,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-18 14:19:54,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-18 14:19:54,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 59 states have (on average 1.305084745762712) internal successors, (77), 66 states have internal predecessors, (77), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-18 14:19:54,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 104 transitions. [2024-11-18 14:19:54,881 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 104 transitions. Word has length 25 [2024-11-18 14:19:54,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:19:54,882 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 104 transitions. [2024-11-18 14:19:54,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:19:54,882 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2024-11-18 14:19:54,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-18 14:19:54,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:19:54,885 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:19:54,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 14:19:54,886 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:19:54,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:19:54,887 INFO L85 PathProgramCache]: Analyzing trace with hash -871661424, now seen corresponding path program 1 times [2024-11-18 14:19:54,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:19:54,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014014182] [2024-11-18 14:19:54,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:19:54,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:19:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:19:55,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:19:55,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:19:55,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014014182] [2024-11-18 14:19:55,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014014182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:19:55,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:19:55,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:19:55,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74923663] [2024-11-18 14:19:55,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:19:55,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:19:55,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:19:55,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:19:55,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:19:55,008 INFO L87 Difference]: Start difference. First operand 81 states and 104 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:19:55,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:19:55,029 INFO L93 Difference]: Finished difference Result 127 states and 163 transitions. [2024-11-18 14:19:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:19:55,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2024-11-18 14:19:55,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:19:55,031 INFO L225 Difference]: With dead ends: 127 [2024-11-18 14:19:55,031 INFO L226 Difference]: Without dead ends: 72 [2024-11-18 14:19:55,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:19:55,033 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 13 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 165 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 [2024-11-18 14:19:55,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 165 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:19:55,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-18 14:19:55,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-18 14:19:55,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.320754716981132) internal successors, (70), 60 states have internal predecessors, (70), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-18 14:19:55,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2024-11-18 14:19:55,049 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 26 [2024-11-18 14:19:55,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:19:55,049 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2024-11-18 14:19:55,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:19:55,050 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2024-11-18 14:19:55,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-18 14:19:55,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:19:55,051 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:19:55,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 14:19:55,052 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:19:55,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:19:55,052 INFO L85 PathProgramCache]: Analyzing trace with hash 2116675096, now seen corresponding path program 1 times [2024-11-18 14:19:55,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:19:55,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826699316] [2024-11-18 14:19:55,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:19:55,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:19:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:19:55,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:19:55,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:19:55,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826699316] [2024-11-18 14:19:55,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826699316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:19:55,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:19:55,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:19:55,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558538974] [2024-11-18 14:19:55,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:19:55,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:19:55,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:19:55,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:19:55,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:19:55,159 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:19:55,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:19:55,188 INFO L93 Difference]: Finished difference Result 137 states and 178 transitions. [2024-11-18 14:19:55,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:19:55,189 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-18 14:19:55,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:19:55,190 INFO L225 Difference]: With dead ends: 137 [2024-11-18 14:19:55,190 INFO L226 Difference]: Without dead ends: 72 [2024-11-18 14:19:55,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:19:55,191 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 86 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:19:55,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 90 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:19:55,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-18 14:19:55,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-18 14:19:55,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 60 states have internal predecessors, (69), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-18 14:19:55,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions. [2024-11-18 14:19:55,208 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 91 transitions. Word has length 31 [2024-11-18 14:19:55,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:19:55,209 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 91 transitions. [2024-11-18 14:19:55,209 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:19:55,209 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions. [2024-11-18 14:19:55,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-18 14:19:55,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:19:55,210 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:19:55,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 14:19:55,210 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:19:55,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:19:55,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1591959082, now seen corresponding path program 1 times [2024-11-18 14:19:55,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:19:55,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755612031] [2024-11-18 14:19:55,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:19:55,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:19:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:19:55,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:19:55,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:19:55,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755612031] [2024-11-18 14:19:55,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755612031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:19:55,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:19:55,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:19:55,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642239985] [2024-11-18 14:19:55,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:19:55,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:19:55,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:19:55,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:19:55,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:19:55,366 INFO L87 Difference]: Start difference. First operand 72 states and 91 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-18 14:19:55,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:19:55,451 INFO L93 Difference]: Finished difference Result 195 states and 256 transitions. [2024-11-18 14:19:55,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:19:55,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2024-11-18 14:19:55,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:19:55,454 INFO L225 Difference]: With dead ends: 195 [2024-11-18 14:19:55,454 INFO L226 Difference]: Without dead ends: 130 [2024-11-18 14:19:55,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:19:55,456 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 54 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:19:55,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 330 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:19:55,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-18 14:19:55,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-18 14:19:55,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 94 states have (on average 1.297872340425532) internal successors, (122), 106 states have internal predecessors, (122), 22 states have call successors, (22), 14 states have call predecessors, (22), 13 states have return successors, (23), 13 states have call predecessors, (23), 22 states have call successors, (23) [2024-11-18 14:19:55,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 167 transitions. [2024-11-18 14:19:55,483 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 167 transitions. Word has length 41 [2024-11-18 14:19:55,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:19:55,486 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 167 transitions. [2024-11-18 14:19:55,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-18 14:19:55,486 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 167 transitions. [2024-11-18 14:19:55,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-18 14:19:55,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:19:55,488 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:19:55,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 14:19:55,488 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:19:55,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:19:55,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1452696708, now seen corresponding path program 1 times [2024-11-18 14:19:55,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:19:55,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058756809] [2024-11-18 14:19:55,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:19:55,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:19:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 14:19:55,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 14:19:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 14:19:55,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 14:19:55,546 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 14:19:55,546 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 14:19:55,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 14:19:55,551 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-18 14:19:55,593 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 14:19:55,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:19:55 BoogieIcfgContainer [2024-11-18 14:19:55,596 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 14:19:55,596 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 14:19:55,596 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 14:19:55,597 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 14:19:55,607 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:19:54" (3/4) ... [2024-11-18 14:19:55,609 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-18 14:19:55,664 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-18 14:19:55,664 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 14:19:55,665 INFO L158 Benchmark]: Toolchain (without parser) took 2121.85ms. Allocated memory is still 138.4MB. Free memory was 110.1MB in the beginning and 105.7MB in the end (delta: 4.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-11-18 14:19:55,665 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 14:19:55,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.05ms. Allocated memory is still 138.4MB. Free memory was 109.9MB in the beginning and 88.4MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-18 14:19:55,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.28ms. Allocated memory is still 138.4MB. Free memory was 88.4MB in the beginning and 86.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 14:19:55,666 INFO L158 Benchmark]: Boogie Preprocessor took 43.34ms. Allocated memory is still 138.4MB. Free memory was 86.4MB in the beginning and 83.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 14:19:55,666 INFO L158 Benchmark]: RCFGBuilder took 363.24ms. Allocated memory is still 138.4MB. Free memory was 83.8MB in the beginning and 65.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-18 14:19:55,666 INFO L158 Benchmark]: TraceAbstraction took 1178.85ms. Allocated memory is still 138.4MB. Free memory was 65.0MB in the beginning and 44.8MB in the end (delta: 20.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-11-18 14:19:55,667 INFO L158 Benchmark]: Witness Printer took 68.05ms. Allocated memory is still 138.4MB. Free memory was 44.8MB in the beginning and 105.7MB in the end (delta: -60.9MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-18 14:19:55,668 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.05ms. Allocated memory is still 138.4MB. Free memory was 109.9MB in the beginning and 88.4MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.28ms. Allocated memory is still 138.4MB. Free memory was 88.4MB in the beginning and 86.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.34ms. Allocated memory is still 138.4MB. Free memory was 86.4MB in the beginning and 83.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.24ms. Allocated memory is still 138.4MB. Free memory was 83.8MB in the beginning and 65.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1178.85ms. Allocated memory is still 138.4MB. Free memory was 65.0MB in the beginning and 44.8MB in the end (delta: 20.2MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Witness Printer took 68.05ms. Allocated memory is still 138.4MB. Free memory was 44.8MB in the beginning and 105.7MB in the end (delta: -60.9MB). Peak memory consumption was 6.2MB. 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [145] - GenericResultAtLocation [Line: 154]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [154] - GenericResultAtLocation [Line: 256]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [256] - GenericResultAtLocation [Line: 291]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [291] - GenericResultAtLocation [Line: 482]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [482] - GenericResultAtLocation [Line: 549]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [549] - GenericResultAtLocation [Line: 915]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [915] * 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 - CounterExampleResult [Line: 150]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L155] int cleanupTimeShifts = 4; [L296] int pumpRunning = 0; [L297] int systemActive = 1; [L719] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L234] int retValue_acc ; [L235] int tmp ; [L239] FCALL select_helpers() [L240] FCALL select_features() [L241] CALL, EXPR valid_product() [L283] int retValue_acc ; [L286] retValue_acc = 1 [L287] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L241] RET, EXPR valid_product() [L241] tmp = valid_product() [L243] COND TRUE \read(tmp) [L245] FCALL setup() [L246] CALL runTest() [L225] CALL test() [L484] int splverifierCounter ; [L485] int tmp ; [L486] int tmp___0 ; [L487] int tmp___1 ; [L488] int tmp___2 ; [L491] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L493] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L495] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L501] tmp = __VERIFIER_nondet_int() [L503] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L505] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L75] COND TRUE waterLevel < 2 [L76] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L505] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L511] tmp___0 = __VERIFIER_nondet_int() [L513] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L521] tmp___2 = __VERIFIER_nondet_int() [L523] COND TRUE \read(tmp___2) [L525] CALL startSystem() [L478] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L525] RET startSystem() [L538] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L304] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L311] COND TRUE \read(systemActive) [L313] CALL processEnvironment() [L359] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L362] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L377] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L333] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L336] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L351] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L377] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L313] RET processEnvironment() [L319] CALL __utac_acc__Specification3_spec__1() [L917] int tmp ; [L918] int tmp___0 ; [L919] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L923] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L923] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L923] tmp = isMethaneLevelCritical() [L925] COND FALSE !(\read(tmp)) [L929] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L929] RET, EXPR getWaterLevel() [L929] tmp___0 = getWaterLevel() [L931] COND TRUE tmp___0 == 2 [L933] CALL, EXPR isPumpRunning() [L411] int retValue_acc ; [L414] retValue_acc = pumpRunning [L415] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L933] RET, EXPR isPumpRunning() [L933] tmp___1 = isPumpRunning() [L935] COND FALSE !(\read(tmp___1)) [L939] CALL __automaton_fail() [L150] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 90 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 156 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 153 mSDsluCounter, 698 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 319 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 379 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=4, InterpolantAutomatonStates: 13, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 185 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-18 14:19:55,699 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE