./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd --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 2a152d19fa28b0169076b34a0513a75c542cc933ab1c694f300fdf3273b66e93 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:11:08,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:11:08,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:11:08,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:11:08,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:11:08,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:11:08,158 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:11:08,159 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:11:08,159 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:11:08,159 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:11:08,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:11:08,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:11:08,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:11:08,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:11:08,160 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:11:08,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:11:08,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:11:08,161 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:11:08,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:11:08,161 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:11:08,161 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:11:08,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:11:08,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:11:08,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:11:08,162 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:11:08,162 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:11:08,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:11:08,162 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:11:08,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:11:08,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:11:08,163 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:11:08,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:11:08,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:11:08,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:11:08,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:11:08,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:11:08,163 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:11:08,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:11:08,163 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:11:08,163 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:11:08,164 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:11:08,164 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:11:08,164 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_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd 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 -> 2a152d19fa28b0169076b34a0513a75c542cc933ab1c694f300fdf3273b66e93 [2024-11-13 14:11:08,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:11:08,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:11:08,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:11:08,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:11:08,506 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:11:08,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/product-lines/minepump_spec4_product34.cil.c Unable to find full path for "g++" [2024-11-13 14:11:10,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:11:10,907 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:11:10,908 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/sv-benchmarks/c/product-lines/minepump_spec4_product34.cil.c [2024-11-13 14:11:10,920 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd/data/572e53f6d/217fa45ec89648058572928a049ec96c/FLAGa088aedec [2024-11-13 14:11:10,936 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd/data/572e53f6d/217fa45ec89648058572928a049ec96c [2024-11-13 14:11:10,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:11:10,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:11:10,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:11:10,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:11:10,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:11:10,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:11:10" (1/1) ... [2024-11-13 14:11:10,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c4e45c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:10, skipping insertion in model container [2024-11-13 14:11:10,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:11:10" (1/1) ... [2024-11-13 14:11:11,000 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:11:11,239 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_85d60065-2937-49dd-a5ed-dce49470690a/sv-benchmarks/c/product-lines/minepump_spec4_product34.cil.c[8026,8039] [2024-11-13 14:11:11,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:11:11,332 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:11:11,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [49] [2024-11-13 14:11:11,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [78] [2024-11-13 14:11:11,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [182] [2024-11-13 14:11:11,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [217] [2024-11-13 14:11:11,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [285] [2024-11-13 14:11:11,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [451] [2024-11-13 14:11:11,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [545] [2024-11-13 14:11:11,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [554] [2024-11-13 14:11:11,397 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_85d60065-2937-49dd-a5ed-dce49470690a/sv-benchmarks/c/product-lines/minepump_spec4_product34.cil.c[8026,8039] [2024-11-13 14:11:11,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:11:11,482 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:11:11,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:11 WrapperNode [2024-11-13 14:11:11,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:11:11,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:11:11,484 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:11:11,484 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:11:11,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:11" (1/1) ... [2024-11-13 14:11:11,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:11" (1/1) ... [2024-11-13 14:11:11,523 INFO L138 Inliner]: procedures = 53, calls = 94, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 172 [2024-11-13 14:11:11,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:11:11,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:11:11,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:11:11,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:11:11,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:11" (1/1) ... [2024-11-13 14:11:11,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:11" (1/1) ... [2024-11-13 14:11:11,538 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:11" (1/1) ... [2024-11-13 14:11:11,552 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]. [2024-11-13 14:11:11,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:11" (1/1) ... [2024-11-13 14:11:11,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:11" (1/1) ... [2024-11-13 14:11:11,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:11" (1/1) ... [2024-11-13 14:11:11,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:11" (1/1) ... [2024-11-13 14:11:11,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:11" (1/1) ... [2024-11-13 14:11:11,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:11" (1/1) ... [2024-11-13 14:11:11,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:11:11,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:11:11,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:11:11,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:11:11,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:11" (1/1) ... [2024-11-13 14:11:11,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:11:11,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:11,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:11:11,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:11:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:11:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-13 14:11:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-13 14:11:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-13 14:11:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-13 14:11:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-13 14:11:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-13 14:11:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-13 14:11:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-13 14:11:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:11:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-13 14:11:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-13 14:11:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:11:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:11:11,715 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:11:11,717 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:11:12,080 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-13 14:11:12,080 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:11:12,098 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:11:12,098 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 14:11:12,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:11:12 BoogieIcfgContainer [2024-11-13 14:11:12,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:11:12,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:11:12,105 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:11:12,111 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:11:12,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:11:10" (1/3) ... [2024-11-13 14:11:12,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d705d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:11:12, skipping insertion in model container [2024-11-13 14:11:12,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:11:11" (2/3) ... [2024-11-13 14:11:12,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d705d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:11:12, skipping insertion in model container [2024-11-13 14:11:12,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:11:12" (3/3) ... [2024-11-13 14:11:12,116 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product34.cil.c [2024-11-13 14:11:12,135 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:11:12,139 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec4_product34.cil.c that has 6 procedures, 71 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-13 14:11:12,220 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:11:12,238 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;@1d7f54e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:11:12,238 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:11:12,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 62 states have internal predecessors, (79), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 14:11:12,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 14:11:12,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:11:12,252 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:11:12,252 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:11:12,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:12,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1739101761, now seen corresponding path program 1 times [2024-11-13 14:11:12,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:11:12,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727997765] [2024-11-13 14:11:12,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:11:12,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:11:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:12,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:11:12,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:11:12,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727997765] [2024-11-13 14:11:12,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727997765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:11:12,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:11:12,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:11:12,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894230523] [2024-11-13 14:11:12,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:11:12,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:11:12,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:11:12,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:11:12,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:11:12,500 INFO L87 Difference]: Start difference. First operand has 71 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 62 states have internal predecessors, (79), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:12,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:11:12,535 INFO L93 Difference]: Finished difference Result 134 states and 185 transitions. [2024-11-13 14:11:12,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:11:12,553 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-13 14:11:12,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:11:12,562 INFO L225 Difference]: With dead ends: 134 [2024-11-13 14:11:12,563 INFO L226 Difference]: Without dead ends: 62 [2024-11-13 14:11:12,566 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 [2024-11-13 14:11:12,570 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:11:12,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:11:12,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-13 14:11:12,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-13 14:11:12,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 54 states have internal predecessors, (65), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 14:11:12,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 80 transitions. [2024-11-13 14:11:12,617 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 80 transitions. Word has length 19 [2024-11-13 14:11:12,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:11:12,617 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 80 transitions. [2024-11-13 14:11:12,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:12,618 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2024-11-13 14:11:12,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 14:11:12,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:11:12,622 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:11:12,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:11:12,622 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:11:12,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:12,623 INFO L85 PathProgramCache]: Analyzing trace with hash 536838898, now seen corresponding path program 1 times [2024-11-13 14:11:12,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:11:12,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787480161] [2024-11-13 14:11:12,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:11:12,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:11:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:12,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:11:12,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:11:12,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787480161] [2024-11-13 14:11:12,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787480161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:11:12,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:11:12,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:11:12,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237347180] [2024-11-13 14:11:12,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:11:12,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:11:12,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:11:12,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:11:12,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:11:12,751 INFO L87 Difference]: Start difference. First operand 62 states and 80 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:12,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:11:12,768 INFO L93 Difference]: Finished difference Result 89 states and 115 transitions. [2024-11-13 14:11:12,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:11:12,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-13 14:11:12,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:11:12,770 INFO L225 Difference]: With dead ends: 89 [2024-11-13 14:11:12,770 INFO L226 Difference]: Without dead ends: 53 [2024-11-13 14:11:12,771 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 [2024-11-13 14:11:12,772 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 13 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 117 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 [2024-11-13 14:11:12,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 117 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:11:12,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-13 14:11:12,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-13 14:11:12,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 48 states have internal predecessors, (58), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 14:11:12,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2024-11-13 14:11:12,781 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 20 [2024-11-13 14:11:12,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:11:12,781 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2024-11-13 14:11:12,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:12,782 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2024-11-13 14:11:12,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 14:11:12,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:11:12,783 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] [2024-11-13 14:11:12,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:11:12,783 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:11:12,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:12,784 INFO L85 PathProgramCache]: Analyzing trace with hash -330302718, now seen corresponding path program 1 times [2024-11-13 14:11:12,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:11:12,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228792605] [2024-11-13 14:11:12,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:11:12,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:11:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:12,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:11:12,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:11:12,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228792605] [2024-11-13 14:11:12,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228792605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:11:12,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:11:12,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:11:12,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602424369] [2024-11-13 14:11:12,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:11:12,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:11:12,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:11:12,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:11:12,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:11:12,908 INFO L87 Difference]: Start difference. First operand 53 states and 68 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:12,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:11:12,933 INFO L93 Difference]: Finished difference Result 99 states and 130 transitions. [2024-11-13 14:11:12,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:11:12,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-13 14:11:12,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:11:12,935 INFO L225 Difference]: With dead ends: 99 [2024-11-13 14:11:12,936 INFO L226 Difference]: Without dead ends: 53 [2024-11-13 14:11:12,937 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 [2024-11-13 14:11:12,938 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 62 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 66 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 [2024-11-13 14:11:12,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 66 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:11:12,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-13 14:11:12,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-13 14:11:12,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 48 states have internal predecessors, (57), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 14:11:12,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2024-11-13 14:11:12,956 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 25 [2024-11-13 14:11:12,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:11:12,956 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2024-11-13 14:11:12,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:12,957 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2024-11-13 14:11:12,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 14:11:12,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:11:12,957 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] [2024-11-13 14:11:12,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:11:12,958 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:11:12,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:12,958 INFO L85 PathProgramCache]: Analyzing trace with hash 668823861, now seen corresponding path program 1 times [2024-11-13 14:11:12,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:11:12,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446180613] [2024-11-13 14:11:12,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:11:12,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:11:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:13,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:11:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:13,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:11:13,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:11:13,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446180613] [2024-11-13 14:11:13,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446180613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:11:13,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:11:13,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:11:13,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248448384] [2024-11-13 14:11:13,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:11:13,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:11:13,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:11:13,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:11:13,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:11:13,068 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 14:11:13,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:11:13,138 INFO L93 Difference]: Finished difference Result 134 states and 174 transitions. [2024-11-13 14:11:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:11:13,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 1 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 [2024-11-13 14:11:13,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:11:13,141 INFO L225 Difference]: With dead ends: 134 [2024-11-13 14:11:13,141 INFO L226 Difference]: Without dead ends: 88 [2024-11-13 14:11:13,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:11:13,143 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 56 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:11:13,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 120 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:11:13,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-13 14:11:13,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 86. [2024-11-13 14:11:13,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 69 states have (on average 1.318840579710145) internal successors, (91), 75 states have internal predecessors, (91), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-13 14:11:13,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 109 transitions. [2024-11-13 14:11:13,161 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 109 transitions. Word has length 30 [2024-11-13 14:11:13,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:11:13,161 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 109 transitions. [2024-11-13 14:11:13,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 14:11:13,161 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2024-11-13 14:11:13,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 14:11:13,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:11:13,162 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] [2024-11-13 14:11:13,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:11:13,163 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:11:13,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:13,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1614946012, now seen corresponding path program 1 times [2024-11-13 14:11:13,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:11:13,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961073700] [2024-11-13 14:11:13,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:11:13,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:11:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:11:13,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:11:13,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961073700] [2024-11-13 14:11:13,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961073700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:11:13,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:11:13,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:11:13,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469981054] [2024-11-13 14:11:13,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:11:13,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:11:13,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:11:13,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:11:13,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:11:13,382 INFO L87 Difference]: Start difference. First operand 86 states and 109 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:13,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:11:13,457 INFO L93 Difference]: Finished difference Result 234 states and 312 transitions. [2024-11-13 14:11:13,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:11:13,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2024-11-13 14:11:13,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:11:13,460 INFO L225 Difference]: With dead ends: 234 [2024-11-13 14:11:13,461 INFO L226 Difference]: Without dead ends: 155 [2024-11-13 14:11:13,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:11:13,463 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 36 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:11:13,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 117 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:11:13,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-13 14:11:13,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 153. [2024-11-13 14:11:13,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 124 states have (on average 1.314516129032258) internal successors, (163), 132 states have internal predecessors, (163), 15 states have call successors, (15), 15 states have call predecessors, (15), 13 states have return successors, (21), 13 states have call predecessors, (21), 15 states have call successors, (21) [2024-11-13 14:11:13,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 199 transitions. [2024-11-13 14:11:13,504 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 199 transitions. Word has length 34 [2024-11-13 14:11:13,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:11:13,504 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 199 transitions. [2024-11-13 14:11:13,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:13,505 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 199 transitions. [2024-11-13 14:11:13,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 14:11:13,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:11:13,506 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] [2024-11-13 14:11:13,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:11:13,507 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:11:13,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:13,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1668904034, now seen corresponding path program 1 times [2024-11-13 14:11:13,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:11:13,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709886065] [2024-11-13 14:11:13,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:11:13,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:11:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:13,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:11:13,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:11:13,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709886065] [2024-11-13 14:11:13,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709886065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:11:13,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:11:13,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:11:13,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354615380] [2024-11-13 14:11:13,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:11:13,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:11:13,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:11:13,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:11:13,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:11:13,711 INFO L87 Difference]: Start difference. First operand 153 states and 199 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:13,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:11:13,780 INFO L93 Difference]: Finished difference Result 305 states and 404 transitions. [2024-11-13 14:11:13,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:11:13,781 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2024-11-13 14:11:13,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:11:13,783 INFO L225 Difference]: With dead ends: 305 [2024-11-13 14:11:13,783 INFO L226 Difference]: Without dead ends: 159 [2024-11-13 14:11:13,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:11:13,787 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:11:13,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 249 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:11:13,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-13 14:11:13,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-13 14:11:13,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 130 states have (on average 1.3) internal successors, (169), 138 states have internal predecessors, (169), 15 states have call successors, (15), 15 states have call predecessors, (15), 13 states have return successors, (21), 13 states have call predecessors, (21), 15 states have call successors, (21) [2024-11-13 14:11:13,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 205 transitions. [2024-11-13 14:11:13,828 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 205 transitions. Word has length 34 [2024-11-13 14:11:13,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:11:13,828 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 205 transitions. [2024-11-13 14:11:13,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:13,828 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 205 transitions. [2024-11-13 14:11:13,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 14:11:13,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:11:13,829 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] [2024-11-13 14:11:13,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:11:13,830 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:11:13,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:13,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1410738596, now seen corresponding path program 1 times [2024-11-13 14:11:13,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:11:13,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189197696] [2024-11-13 14:11:13,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:11:13,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:11:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:13,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:11:13,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:11:13,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189197696] [2024-11-13 14:11:13,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189197696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:11:13,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:11:13,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:11:13,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464839877] [2024-11-13 14:11:13,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:11:13,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:11:13,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:11:13,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:11:13,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:11:13,942 INFO L87 Difference]: Start difference. First operand 159 states and 205 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:14,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:11:14,022 INFO L93 Difference]: Finished difference Result 281 states and 366 transitions. [2024-11-13 14:11:14,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:11:14,023 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2024-11-13 14:11:14,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:11:14,024 INFO L225 Difference]: With dead ends: 281 [2024-11-13 14:11:14,024 INFO L226 Difference]: Without dead ends: 129 [2024-11-13 14:11:14,025 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 [2024-11-13 14:11:14,027 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 64 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:11:14,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 186 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:11:14,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-13 14:11:14,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-11-13 14:11:14,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 105 states have (on average 1.276190476190476) internal successors, (134), 112 states have internal predecessors, (134), 12 states have call successors, (12), 12 states have call predecessors, (12), 11 states have return successors, (14), 11 states have call predecessors, (14), 12 states have call successors, (14) [2024-11-13 14:11:14,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 160 transitions. [2024-11-13 14:11:14,045 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 160 transitions. Word has length 34 [2024-11-13 14:11:14,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:11:14,046 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 160 transitions. [2024-11-13 14:11:14,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:11:14,046 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 160 transitions. [2024-11-13 14:11:14,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 14:11:14,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:11:14,052 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] [2024-11-13 14:11:14,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:11:14,052 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:11:14,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:14,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1422667949, now seen corresponding path program 1 times [2024-11-13 14:11:14,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:11:14,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456658392] [2024-11-13 14:11:14,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:11:14,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:11:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:14,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 14:11:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:14,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:11:14,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:11:14,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456658392] [2024-11-13 14:11:14,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456658392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:11:14,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:11:14,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:11:14,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511995959] [2024-11-13 14:11:14,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:11:14,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:11:14,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:11:14,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:11:14,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:11:14,214 INFO L87 Difference]: Start difference. First operand 129 states and 160 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 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) [2024-11-13 14:11:14,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:11:14,450 INFO L93 Difference]: Finished difference Result 321 states and 420 transitions. [2024-11-13 14:11:14,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:11:14,451 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 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 36 [2024-11-13 14:11:14,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:11:14,453 INFO L225 Difference]: With dead ends: 321 [2024-11-13 14:11:14,453 INFO L226 Difference]: Without dead ends: 199 [2024-11-13 14:11:14,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:11:14,454 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 109 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:11:14,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 319 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:11:14,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-13 14:11:14,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 195. [2024-11-13 14:11:14,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 157 states have (on average 1.2611464968152866) internal successors, (198), 168 states have internal predecessors, (198), 18 states have call successors, (18), 18 states have call predecessors, (18), 19 states have return successors, (29), 19 states have call predecessors, (29), 18 states have call successors, (29) [2024-11-13 14:11:14,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 245 transitions. [2024-11-13 14:11:14,478 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 245 transitions. Word has length 36 [2024-11-13 14:11:14,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:11:14,478 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 245 transitions. [2024-11-13 14:11:14,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 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) [2024-11-13 14:11:14,479 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 245 transitions. [2024-11-13 14:11:14,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 14:11:14,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:11:14,482 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:11:14,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 14:11:14,482 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:11:14,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:14,483 INFO L85 PathProgramCache]: Analyzing trace with hash 705273037, now seen corresponding path program 1 times [2024-11-13 14:11:14,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:11:14,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550658838] [2024-11-13 14:11:14,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:11:14,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:11:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:14,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:11:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:14,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:11:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:14,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 14:11:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:14,773 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:11:14,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:11:14,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550658838] [2024-11-13 14:11:14,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550658838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:11:14,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364899511] [2024-11-13 14:11:14,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:11:14,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:11:14,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:11:14,779 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:11:14,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:11:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:11:14,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 14:11:14,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:11:15,068 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:11:15,068 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:11:15,251 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:11:15,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364899511] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:11:15,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:11:15,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 10 [2024-11-13 14:11:15,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462555976] [2024-11-13 14:11:15,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:11:15,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:11:15,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:11:15,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:11:15,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:11:15,255 INFO L87 Difference]: Start difference. First operand 195 states and 245 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 14:11:15,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:11:15,802 INFO L93 Difference]: Finished difference Result 514 states and 688 transitions. [2024-11-13 14:11:15,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 14:11:15,803 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 63 [2024-11-13 14:11:15,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:11:15,806 INFO L225 Difference]: With dead ends: 514 [2024-11-13 14:11:15,806 INFO L226 Difference]: Without dead ends: 362 [2024-11-13 14:11:15,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 126 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2024-11-13 14:11:15,808 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 198 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:11:15,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 407 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:11:15,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-13 14:11:15,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 332. [2024-11-13 14:11:15,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 268 states have (on average 1.2313432835820894) internal successors, (330), 288 states have internal predecessors, (330), 31 states have call successors, (31), 27 states have call predecessors, (31), 32 states have return successors, (58), 28 states have call predecessors, (58), 31 states have call successors, (58) [2024-11-13 14:11:15,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 419 transitions. [2024-11-13 14:11:15,854 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 419 transitions. Word has length 63 [2024-11-13 14:11:15,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:11:15,854 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 419 transitions. [2024-11-13 14:11:15,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 14:11:15,854 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 419 transitions. [2024-11-13 14:11:15,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 14:11:15,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:11:15,857 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:11:15,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:11:16,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:11:16,062 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:11:16,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:11:16,062 INFO L85 PathProgramCache]: Analyzing trace with hash -2055151008, now seen corresponding path program 2 times [2024-11-13 14:11:16,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:11:16,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001942841] [2024-11-13 14:11:16,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:11:16,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:11:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:11:16,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:11:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:11:16,132 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:11:16,132 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:11:16,134 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:11:16,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 14:11:16,138 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:11:16,202 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:11:16,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:11:16 BoogieIcfgContainer [2024-11-13 14:11:16,207 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:11:16,208 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:11:16,209 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:11:16,209 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:11:16,210 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:11:12" (3/4) ... [2024-11-13 14:11:16,211 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 14:11:16,304 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:11:16,304 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:11:16,305 INFO L158 Benchmark]: Toolchain (without parser) took 5365.02ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 81.1MB in the end (delta: 10.9MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-13 14:11:16,305 INFO L158 Benchmark]: CDTParser took 1.64ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:11:16,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.45ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 73.5MB in the end (delta: 18.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:11:16,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.51ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 71.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:11:16,306 INFO L158 Benchmark]: Boogie Preprocessor took 44.80ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 70.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:11:16,306 INFO L158 Benchmark]: RCFGBuilder took 532.70ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 55.4MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:11:16,306 INFO L158 Benchmark]: TraceAbstraction took 4102.78ms. Allocated memory is still 117.4MB. Free memory was 54.7MB in the beginning and 87.5MB in the end (delta: -32.8MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-11-13 14:11:16,306 INFO L158 Benchmark]: Witness Printer took 96.10ms. Allocated memory is still 117.4MB. Free memory was 87.5MB in the beginning and 81.1MB in the end (delta: 6.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:11:16,308 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.64ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.45ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 73.5MB in the end (delta: 18.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.51ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 71.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.80ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 70.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 532.70ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 55.4MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4102.78ms. Allocated memory is still 117.4MB. Free memory was 54.7MB in the beginning and 87.5MB in the end (delta: -32.8MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * Witness Printer took 96.10ms. Allocated memory is still 117.4MB. Free memory was 87.5MB in the beginning and 81.1MB in the end (delta: 6.4MB). There was no memory consumed. 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,"Specification4_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [78] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [182] - GenericResultAtLocation [Line: 217]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [217] - GenericResultAtLocation [Line: 285]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [285] - GenericResultAtLocation [Line: 451]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [451] - GenericResultAtLocation [Line: 545]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [545] - GenericResultAtLocation [Line: 554]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [554] * 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: 550]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L79] int cleanupTimeShifts = 4; [L292] int pumpRunning = 0; [L293] int systemActive = 1; [L452] int waterLevel = 1; [L453] int methaneLevelCritical = 0; [L724] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L160] int retValue_acc ; [L161] int tmp ; [L165] FCALL select_helpers() [L166] FCALL select_features() [L167] CALL, EXPR valid_product() [L209] int retValue_acc ; [L212] retValue_acc = 1 [L213] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] RET, EXPR valid_product() [L167] tmp = valid_product() [L169] COND TRUE \read(tmp) [L171] FCALL setup() [L172] CALL runTest() [L151] CALL test() [L220] int splverifierCounter ; [L221] int tmp ; [L222] int tmp___0 ; [L223] int tmp___1 ; [L224] int tmp___2 ; [L227] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L229] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L231] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L237] tmp = __VERIFIER_nondet_int() [L239] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L241] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L470] COND TRUE waterLevel < 2 [L471] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L241] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L247] tmp___0 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L257] tmp___2 = __VERIFIER_nondet_int() [L259] COND TRUE \read(tmp___2) [L261] CALL startSystem() [L447] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L261] RET startSystem() [L274] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L299] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L306] COND TRUE \read(systemActive) [L308] CALL processEnvironment() [L328] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L331] COND TRUE ! pumpRunning [L333] CALL, EXPR isHighWaterLevel() [L425] int retValue_acc ; [L426] int tmp ; [L427] int tmp___0 ; [L431] CALL, EXPR isHighWaterSensorDry() [L532] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L535] COND FALSE !(waterLevel < 2) [L539] retValue_acc = 0 [L540] 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] [L431] RET, EXPR isHighWaterSensorDry() [L431] tmp = isHighWaterSensorDry() [L433] COND FALSE !(\read(tmp)) [L436] tmp___0 = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp___0=1, waterLevel=2] [L438] retValue_acc = tmp___0 [L439] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L333] RET, EXPR isHighWaterLevel() [L333] tmp = isHighWaterLevel() [L335] COND TRUE \read(tmp) [L337] CALL activatePump() [L356] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L337] RET activatePump() [L308] RET processEnvironment() [L314] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L523] int retValue_acc ; [L526] retValue_acc = waterLevel [L527] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L314] RET __utac_acc__Specification4_spec__1() [L274] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L229] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L231] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L237] tmp = __VERIFIER_nondet_int() [L239] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L247] tmp___0 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L257] tmp___2 = __VERIFIER_nondet_int() [L259] COND TRUE \read(tmp___2) [L261] CALL startSystem() [L447] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L261] RET startSystem() [L274] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L299] COND TRUE \read(pumpRunning) [L301] CALL lowerWaterLevel() [L458] COND TRUE waterLevel > 0 [L459] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L301] RET lowerWaterLevel() [L306] COND TRUE \read(systemActive) [L308] CALL processEnvironment() [L328] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L331] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L346] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L308] RET processEnvironment() [L314] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L523] int retValue_acc ; [L526] retValue_acc = waterLevel [L527] return (retValue_acc); VAL [\old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L314] RET __utac_acc__Specification4_spec__1() [L274] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L229] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L231] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L237] tmp = __VERIFIER_nondet_int() [L239] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L247] tmp___0 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L257] tmp___2 = __VERIFIER_nondet_int() [L259] COND TRUE \read(tmp___2) [L261] CALL startSystem() [L447] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L261] RET startSystem() [L274] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L299] COND TRUE \read(pumpRunning) [L301] CALL lowerWaterLevel() [L458] COND TRUE waterLevel > 0 [L459] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L301] RET lowerWaterLevel() [L306] COND TRUE \read(systemActive) [L308] CALL processEnvironment() [L328] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L331] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L346] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L308] RET processEnvironment() [L314] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L523] int retValue_acc ; [L526] retValue_acc = waterLevel [L527] return (retValue_acc); VAL [\old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND TRUE tmp == 0 [L63] CALL, EXPR isPumpRunning() [L380] int retValue_acc ; [L383] retValue_acc = pumpRunning [L384] return (retValue_acc); VAL [\old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L63] RET, EXPR isPumpRunning() [L63] tmp___0 = isPumpRunning() [L65] COND TRUE \read(tmp___0) [L67] CALL __automaton_fail() [L550] reach_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 547 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 538 mSDsluCounter, 1670 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1037 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 332 IncrementalHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 633 mSDtfsCounter, 332 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 149 SyntacticMatches, 6 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=332occurred in iteration=9, InterpolantAutomatonStates: 50, 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, 9 MinimizatonAttempts, 38 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 446 NumberOfCodeBlocks, 446 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 410 ConstructedInterpolants, 0 QuantifiedInterpolants, 770 SizeOfPredicates, 2 NumberOfNonLiveVariables, 231 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 38/51 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! [2024-11-13 14:11:16,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85d60065-2937-49dd-a5ed-dce49470690a/bin/uautomizer-verify-qhAvR1uOyd/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