./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/bin/uautomizer-verify-LYvppIcaGC --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 7e5f42a5bbc52e8ca75c0ac5e2c6aad044a3ab94096d236f597eae12e8fb5e5c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 02:06:37,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:06:37,238 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 02:06:37,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:06:37,249 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:06:37,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:06:37,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:06:37,287 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:06:37,287 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:06:37,288 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:06:37,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 02:06:37,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 02:06:37,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:06:37,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:06:37,291 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:06:37,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:06:37,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 02:06:37,291 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 02:06:37,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 02:06:37,291 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 02:06:37,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:06:37,291 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 02:06:37,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 02:06:37,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 02:06:37,292 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 02:06:37,292 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 02:06:37,292 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:06:37,292 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:06:37,292 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 02:06:37,292 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:06:37,292 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:06:37,292 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:06:37,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:06:37,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:06:37,293 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:06:37,294 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:06:37,294 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:06:37,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:06:37,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:06:37,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 02:06:37,295 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 02:06:37,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 02:06:37,295 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 02:06:37,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 02:06:37,295 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 02:06:37,295 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 02:06:37,296 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 02:06:37,296 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 02:06:37,296 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/bin/uautomizer-verify-LYvppIcaGC 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 -> 7e5f42a5bbc52e8ca75c0ac5e2c6aad044a3ab94096d236f597eae12e8fb5e5c [2024-11-24 02:06:37,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:06:37,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:06:37,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:06:37,660 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:06:37,661 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:06:37,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c [2024-11-24 02:06:40,926 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/bin/uautomizer-verify-LYvppIcaGC/data/b1900d29a/e0afc068eee244dbbbd49f29e299c83a/FLAG805b6d187 [2024-11-24 02:06:41,203 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:06:41,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c [2024-11-24 02:06:41,216 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/bin/uautomizer-verify-LYvppIcaGC/data/b1900d29a/e0afc068eee244dbbbd49f29e299c83a/FLAG805b6d187 [2024-11-24 02:06:41,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/bin/uautomizer-verify-LYvppIcaGC/data/b1900d29a/e0afc068eee244dbbbd49f29e299c83a [2024-11-24 02:06:41,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:06:41,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:06:41,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:06:41,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:06:41,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:06:41,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:06:41" (1/1) ... [2024-11-24 02:06:41,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ed929c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:06:41, skipping insertion in model container [2024-11-24 02:06:41,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:06:41" (1/1) ... [2024-11-24 02:06:41,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:06:41,658 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c[3936,3949] [2024-11-24 02:06:41,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:06:41,824 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:06:41,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-24 02:06:41,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] [2024-11-24 02:06:41,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [188] [2024-11-24 02:06:41,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [226] [2024-11-24 02:06:41,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [235] [2024-11-24 02:06:41,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [332] [2024-11-24 02:06:41,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [537] [2024-11-24 02:06:41,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [606] [2024-11-24 02:06:41,853 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/sv-benchmarks/c/product-lines/minepump_spec3_product40.cil.c[3936,3949] [2024-11-24 02:06:41,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:06:41,954 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:06:41,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:06:41 WrapperNode [2024-11-24 02:06:41,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:06:41,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:06:41,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:06:41,956 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:06:41,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:06:41" (1/1) ... [2024-11-24 02:06:41,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:06:41" (1/1) ... [2024-11-24 02:06:42,023 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 203 [2024-11-24 02:06:42,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:06:42,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:06:42,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:06:42,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:06:42,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:06:41" (1/1) ... [2024-11-24 02:06:42,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:06:41" (1/1) ... [2024-11-24 02:06:42,042 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:06:41" (1/1) ... [2024-11-24 02:06:42,063 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]. [2024-11-24 02:06:42,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:06:41" (1/1) ... [2024-11-24 02:06:42,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:06:41" (1/1) ... [2024-11-24 02:06:42,071 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:06:41" (1/1) ... [2024-11-24 02:06:42,075 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:06:41" (1/1) ... [2024-11-24 02:06:42,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:06:41" (1/1) ... [2024-11-24 02:06:42,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:06:41" (1/1) ... [2024-11-24 02:06:42,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:06:41" (1/1) ... [2024-11-24 02:06:42,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:06:42,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:06:42,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:06:42,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:06:42,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:06:41" (1/1) ... [2024-11-24 02:06:42,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:06:42,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:06:42,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 02:06:42,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 02:06:42,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:06:42,155 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-24 02:06:42,155 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-24 02:06:42,155 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-24 02:06:42,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-24 02:06:42,155 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-24 02:06:42,155 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-24 02:06:42,155 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-24 02:06:42,155 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-24 02:06:42,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-24 02:06:42,156 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-24 02:06:42,156 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-24 02:06:42,156 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-24 02:06:42,156 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-24 02:06:42,156 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-24 02:06:42,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 02:06:42,156 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-24 02:06:42,156 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-24 02:06:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:06:42,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:06:42,230 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:06:42,231 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:06:42,528 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-11-24 02:06:42,528 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:06:42,543 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:06:42,543 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 02:06:42,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:06:42 BoogieIcfgContainer [2024-11-24 02:06:42,544 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:06:42,546 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 02:06:42,547 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 02:06:42,552 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 02:06:42,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:06:41" (1/3) ... [2024-11-24 02:06:42,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e06631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:06:42, skipping insertion in model container [2024-11-24 02:06:42,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:06:41" (2/3) ... [2024-11-24 02:06:42,553 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e06631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:06:42, skipping insertion in model container [2024-11-24 02:06:42,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:06:42" (3/3) ... [2024-11-24 02:06:42,555 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product40.cil.c [2024-11-24 02:06:42,573 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 02:06:42,575 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec3_product40.cil.c that has 9 procedures, 93 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-24 02:06:42,654 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 02:06:42,671 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;@d492db1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 02:06:42,672 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 02:06:42,676 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 69 states have (on average 1.391304347826087) internal successors, (96), 78 states have internal predecessors, (96), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 02:06:42,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-24 02:06:42,692 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:42,692 INFO L218 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] [2024-11-24 02:06:42,694 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:06:42,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:42,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1396529101, now seen corresponding path program 1 times [2024-11-24 02:06:42,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:06:42,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669454743] [2024-11-24 02:06:42,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:42,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:06:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:42,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:06:42,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:06:42,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669454743] [2024-11-24 02:06:42,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669454743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:06:42,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:06:42,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 02:06:42,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600368914] [2024-11-24 02:06:42,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:42,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 02:06:42,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:06:42,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 02:06:42,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 02:06:42,927 INFO L87 Difference]: Start difference. First operand has 93 states, 69 states have (on average 1.391304347826087) internal successors, (96), 78 states have internal predecessors, (96), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 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) [2024-11-24 02:06:42,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:42,954 INFO L93 Difference]: Finished difference Result 178 states and 243 transitions. [2024-11-24 02:06:42,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 02:06:42,956 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 [2024-11-24 02:06:42,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:42,965 INFO L225 Difference]: With dead ends: 178 [2024-11-24 02:06:42,965 INFO L226 Difference]: Without dead ends: 84 [2024-11-24 02:06:42,969 INFO L434 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 [2024-11-24 02:06:42,976 INFO L435 NwaCegarLoop]: 118 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, 118 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 [2024-11-24 02:06:42,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:06:42,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-24 02:06:43,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-24 02:06:43,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 70 states have internal predecessors, (82), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 02:06:43,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2024-11-24 02:06:43,020 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 25 [2024-11-24 02:06:43,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:43,022 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2024-11-24 02:06:43,022 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) [2024-11-24 02:06:43,022 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2024-11-24 02:06:43,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-24 02:06:43,024 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:43,024 INFO L218 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] [2024-11-24 02:06:43,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 02:06:43,025 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:06:43,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:43,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1210971373, now seen corresponding path program 1 times [2024-11-24 02:06:43,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:06:43,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909948318] [2024-11-24 02:06:43,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:43,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:06:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:43,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:06:43,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:06:43,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909948318] [2024-11-24 02:06:43,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909948318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:06:43,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:06:43,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 02:06:43,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319010538] [2024-11-24 02:06:43,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:43,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:06:43,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:06:43,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:06:43,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:06:43,197 INFO L87 Difference]: Start difference. First operand 84 states and 109 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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) [2024-11-24 02:06:43,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:43,226 INFO L93 Difference]: Finished difference Result 131 states and 169 transitions. [2024-11-24 02:06:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:06:43,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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 [2024-11-24 02:06:43,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:43,228 INFO L225 Difference]: With dead ends: 131 [2024-11-24 02:06:43,228 INFO L226 Difference]: Without dead ends: 76 [2024-11-24 02:06:43,229 INFO L434 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 [2024-11-24 02:06:43,230 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 17 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 173 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 [2024-11-24 02:06:43,230 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 173 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:06:43,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-24 02:06:43,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-24 02:06:43,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 65 states have internal predecessors, (76), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-24 02:06:43,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2024-11-24 02:06:43,244 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 25 [2024-11-24 02:06:43,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:43,244 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2024-11-24 02:06:43,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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) [2024-11-24 02:06:43,244 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2024-11-24 02:06:43,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-24 02:06:43,246 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:43,246 INFO L218 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] [2024-11-24 02:06:43,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 02:06:43,246 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:06:43,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:43,247 INFO L85 PathProgramCache]: Analyzing trace with hash -453539624, now seen corresponding path program 1 times [2024-11-24 02:06:43,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:06:43,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399492370] [2024-11-24 02:06:43,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:43,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:06:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:43,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:06:43,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:06:43,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399492370] [2024-11-24 02:06:43,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399492370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:06:43,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:06:43,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:06:43,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463902904] [2024-11-24 02:06:43,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:43,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:06:43,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:06:43,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:06:43,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:06:43,483 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-11-24 02:06:43,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:43,748 INFO L93 Difference]: Finished difference Result 255 states and 336 transitions. [2024-11-24 02:06:43,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:06:43,749 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 30 [2024-11-24 02:06:43,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:43,751 INFO L225 Difference]: With dead ends: 255 [2024-11-24 02:06:43,753 INFO L226 Difference]: Without dead ends: 186 [2024-11-24 02:06:43,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:06:43,755 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 166 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:06:43,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 445 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 02:06:43,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-24 02:06:43,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 180. [2024-11-24 02:06:43,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 133 states have (on average 1.368421052631579) internal successors, (182), 151 states have internal predecessors, (182), 27 states have call successors, (27), 19 states have call predecessors, (27), 19 states have return successors, (28), 19 states have call predecessors, (28), 27 states have call successors, (28) [2024-11-24 02:06:43,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 237 transitions. [2024-11-24 02:06:43,801 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 237 transitions. Word has length 30 [2024-11-24 02:06:43,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:43,806 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 237 transitions. [2024-11-24 02:06:43,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2024-11-24 02:06:43,806 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 237 transitions. [2024-11-24 02:06:43,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-24 02:06:43,807 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:43,807 INFO L218 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] [2024-11-24 02:06:43,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 02:06:43,808 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:06:43,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:43,808 INFO L85 PathProgramCache]: Analyzing trace with hash 618055699, now seen corresponding path program 1 times [2024-11-24 02:06:43,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:06:43,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420234912] [2024-11-24 02:06:43,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:43,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:06:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:44,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:06:44,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:06:44,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420234912] [2024-11-24 02:06:44,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420234912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:06:44,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:06:44,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:06:44,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137855334] [2024-11-24 02:06:44,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:44,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:06:44,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:06:44,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:06:44,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:06:44,017 INFO L87 Difference]: Start difference. First operand 180 states and 237 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 02:06:44,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:44,154 INFO L93 Difference]: Finished difference Result 509 states and 696 transitions. [2024-11-24 02:06:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:06:44,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2024-11-24 02:06:44,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:44,159 INFO L225 Difference]: With dead ends: 509 [2024-11-24 02:06:44,163 INFO L226 Difference]: Without dead ends: 336 [2024-11-24 02:06:44,164 INFO L434 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 [2024-11-24 02:06:44,167 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 61 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:06:44,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 357 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:06:44,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-24 02:06:44,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2024-11-24 02:06:44,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 246 states have (on average 1.3414634146341464) internal successors, (330), 278 states have internal predecessors, (330), 54 states have call successors, (54), 38 states have call predecessors, (54), 35 states have return successors, (60), 35 states have call predecessors, (60), 54 states have call successors, (60) [2024-11-24 02:06:44,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 444 transitions. [2024-11-24 02:06:44,248 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 444 transitions. Word has length 33 [2024-11-24 02:06:44,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:44,249 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 444 transitions. [2024-11-24 02:06:44,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 02:06:44,249 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 444 transitions. [2024-11-24 02:06:44,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-24 02:06:44,255 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:44,256 INFO L218 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] [2024-11-24 02:06:44,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 02:06:44,256 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:06:44,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:44,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1196882169, now seen corresponding path program 1 times [2024-11-24 02:06:44,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:06:44,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935965643] [2024-11-24 02:06:44,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:44,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:06:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:06:44,286 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:06:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:06:44,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 02:06:44,337 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 02:06:44,338 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 02:06:44,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 02:06:44,343 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-24 02:06:44,396 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 02:06:44,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 02:06:44 BoogieIcfgContainer [2024-11-24 02:06:44,400 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 02:06:44,402 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 02:06:44,402 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 02:06:44,402 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 02:06:44,403 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:06:42" (3/4) ... [2024-11-24 02:06:44,404 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 02:06:44,487 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 31. [2024-11-24 02:06:44,581 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 02:06:44,585 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 02:06:44,585 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 02:06:44,586 INFO L158 Benchmark]: Toolchain (without parser) took 3345.68ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 61.3MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-24 02:06:44,586 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 74.5MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:06:44,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 709.40ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 73.0MB in the end (delta: 18.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 02:06:44,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.31ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 71.2MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 02:06:44,587 INFO L158 Benchmark]: Boogie Preprocessor took 67.34ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 69.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:06:44,588 INFO L158 Benchmark]: RCFGBuilder took 452.53ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 52.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 02:06:44,588 INFO L158 Benchmark]: TraceAbstraction took 1853.95ms. Allocated memory is still 117.4MB. Free memory was 52.3MB in the beginning and 68.1MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:06:44,588 INFO L158 Benchmark]: Witness Printer took 183.24ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 61.3MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 02:06:44,590 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 74.5MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 709.40ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 73.0MB in the end (delta: 18.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.31ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 71.2MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.34ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 69.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 452.53ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 52.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1853.95ms. Allocated memory is still 117.4MB. Free memory was 52.3MB in the beginning and 68.1MB in the end (delta: -15.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 183.24ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 61.3MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [188] - GenericResultAtLocation [Line: 226]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [226] - GenericResultAtLocation [Line: 235]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [235] - GenericResultAtLocation [Line: 332]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [332] - GenericResultAtLocation [Line: 537]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [537] - GenericResultAtLocation [Line: 606]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [606] * 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: 231]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int cleanupTimeShifts = 4; [L239] int waterLevel = 1; [L240] int methaneLevelCritical = 0; [L337] int pumpRunning = 0; [L338] int systemActive = 1; [L776] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L539] int splverifierCounter ; [L540] int tmp ; [L541] int tmp___0 ; [L542] int tmp___1 ; [L543] int tmp___2 ; [L546] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L550] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L556] tmp = __VERIFIER_nondet_int() [L558] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L560] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L257] COND TRUE waterLevel < 2 [L258] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L560] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L566] tmp___0 = __VERIFIER_nondet_int() [L568] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L576] tmp___2 = __VERIFIER_nondet_int() [L578] COND FALSE !(\read(tmp___2)) [L584] tmp___1 = __VERIFIER_nondet_int() [L586] COND TRUE \read(tmp___1) [L588] CALL stopSystem() [L518] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L525] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L588] RET stopSystem() [L595] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L344] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L351] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L359] CALL __utac_acc__Specification3_spec__1() [L194] int tmp ; [L195] int tmp___0 ; [L196] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L200] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L278] int retValue_acc ; [L281] retValue_acc = methaneLevelCritical [L282] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L200] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L200] tmp = isMethaneLevelCritical() [L202] COND FALSE !(\read(tmp)) [L206] CALL, EXPR getWaterLevel() [L310] int retValue_acc ; [L313] retValue_acc = waterLevel [L314] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L206] RET, EXPR getWaterLevel() [L206] tmp___0 = getWaterLevel() [L208] COND TRUE tmp___0 == 2 [L210] CALL, EXPR isPumpRunning() [L451] int retValue_acc ; [L454] retValue_acc = pumpRunning [L455] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L210] RET, EXPR isPumpRunning() [L210] tmp___1 = isPumpRunning() [L212] COND FALSE !(\read(tmp___1)) [L216] CALL __automaton_fail() [L231] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 248 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 244 mSDsluCounter, 1093 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 674 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 121 IncrementalHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 419 mSDtfsCounter, 121 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=336occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 209 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-24 02:06:44,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70c50a24-e785-4f97-a8fb-b9464fab753a/bin/uautomizer-verify-LYvppIcaGC/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