./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB --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 7e401b19fa73801dafa3ee94892588c53fc375d864d82edcc9ff671172238c8c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:10:05,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:10:05,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:10:05,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:10:05,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:10:05,891 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:10:05,891 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:10:05,892 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:10:05,892 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:10:05,892 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:10:05,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:10:05,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:10:05,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:10:05,893 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:10:05,893 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:10:05,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:10:05,894 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:10:05,894 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:10:05,894 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:10:05,894 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:10:05,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:10:05,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:10:05,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:10:05,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:10:05,895 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:10:05,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:10:05,895 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:10:05,895 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:10:05,895 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:10:05,895 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:10:05,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:10:05,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:10:05,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:10:05,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:10:05,896 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:10:05,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:10:05,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:10:05,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:10:05,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:10:05,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:10:05,897 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:10:05,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:10:05,897 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:10:05,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:10:05,897 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:10:05,898 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:10:05,898 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:10:05,898 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:10:05,899 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_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 7e401b19fa73801dafa3ee94892588c53fc375d864d82edcc9ff671172238c8c [2024-11-28 05:10:06,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:10:06,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:10:06,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:10:06,303 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:10:06,303 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:10:06,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c [2024-11-28 05:10:09,692 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/data/f4657a214/4013cff69cb74424a6f63b5844cfb53e/FLAGa4dc025ce [2024-11-28 05:10:10,024 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:10:10,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c [2024-11-28 05:10:10,040 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/data/f4657a214/4013cff69cb74424a6f63b5844cfb53e/FLAGa4dc025ce [2024-11-28 05:10:10,277 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/data/f4657a214/4013cff69cb74424a6f63b5844cfb53e [2024-11-28 05:10:10,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:10:10,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:10:10,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:10:10,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:10:10,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:10:10,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:10:10" (1/1) ... [2024-11-28 05:10:10,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3478da62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:10, skipping insertion in model container [2024-11-28 05:10:10,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:10:10" (1/1) ... [2024-11-28 05:10:10,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:10:10,792 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_85a751ef-9bee-45cb-8807-4fa958b77a3b/sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c[17493,17506] [2024-11-28 05:10:10,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:10:10,816 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:10:10,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-28 05:10:10,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [415] [2024-11-28 05:10:10,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [484] [2024-11-28 05:10:10,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [583] [2024-11-28 05:10:10,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [758] [2024-11-28 05:10:10,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [857] [2024-11-28 05:10:10,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [892] [2024-11-28 05:10:10,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [901] [2024-11-28 05:10:10,935 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_85a751ef-9bee-45cb-8807-4fa958b77a3b/sv-benchmarks/c/product-lines/minepump_spec1_product41.cil.c[17493,17506] [2024-11-28 05:10:10,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:10:10,959 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:10:10,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:10 WrapperNode [2024-11-28 05:10:10,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:10:10,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:10:10,962 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:10:10,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:10:10,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:10" (1/1) ... [2024-11-28 05:10:10,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:10" (1/1) ... [2024-11-28 05:10:11,033 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 180 [2024-11-28 05:10:11,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:10:11,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:10:11,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:10:11,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:10:11,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:10" (1/1) ... [2024-11-28 05:10:11,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:10" (1/1) ... [2024-11-28 05:10:11,053 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:10" (1/1) ... [2024-11-28 05:10:11,071 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]. [2024-11-28 05:10:11,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:10" (1/1) ... [2024-11-28 05:10:11,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:10" (1/1) ... [2024-11-28 05:10:11,077 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:10" (1/1) ... [2024-11-28 05:10:11,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:10" (1/1) ... [2024-11-28 05:10:11,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:10" (1/1) ... [2024-11-28 05:10:11,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:10" (1/1) ... [2024-11-28 05:10:11,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:10" (1/1) ... [2024-11-28 05:10:11,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:10:11,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:10:11,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:10:11,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:10:11,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:10" (1/1) ... [2024-11-28 05:10:11,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:10:11,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:11,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:10:11,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:10:11,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:10:11,172 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-28 05:10:11,172 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-28 05:10:11,172 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-28 05:10:11,172 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-28 05:10:11,172 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-28 05:10:11,174 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-28 05:10:11,174 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-28 05:10:11,175 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-28 05:10:11,175 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-28 05:10:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-28 05:10:11,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:10:11,176 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-28 05:10:11,177 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-28 05:10:11,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:10:11,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:10:11,272 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:10:11,275 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:10:11,581 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-11-28 05:10:11,581 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:10:11,595 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:10:11,595 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 05:10:11,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:10:11 BoogieIcfgContainer [2024-11-28 05:10:11,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:10:11,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:10:11,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:10:11,604 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:10:11,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:10:10" (1/3) ... [2024-11-28 05:10:11,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5085cf0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:10:11, skipping insertion in model container [2024-11-28 05:10:11,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:10" (2/3) ... [2024-11-28 05:10:11,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5085cf0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:10:11, skipping insertion in model container [2024-11-28 05:10:11,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:10:11" (3/3) ... [2024-11-28 05:10:11,607 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product41.cil.c [2024-11-28 05:10:11,627 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:10:11,632 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec1_product41.cil.c that has 7 procedures, 77 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-28 05:10:11,709 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:10:11,735 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;@4e078ee7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:10:11,735 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:10:11,742 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 65 states have internal predecessors, (83), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 05:10:11,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-28 05:10:11,755 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:11,756 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:11,756 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:11,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:11,764 INFO L85 PathProgramCache]: Analyzing trace with hash 2016614283, now seen corresponding path program 1 times [2024-11-28 05:10:11,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:11,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45925690] [2024-11-28 05:10:11,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:11,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:12,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:10:12,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:12,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45925690] [2024-11-28 05:10:12,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45925690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:12,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:10:12,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:10:12,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479720181] [2024-11-28 05:10:12,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:12,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:10:12,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:12,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:10:12,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:10:12,114 INFO L87 Difference]: Start difference. First operand has 77 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 65 states have internal predecessors, (83), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:10:12,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:12,161 INFO L93 Difference]: Finished difference Result 146 states and 201 transitions. [2024-11-28 05:10:12,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:10:12,165 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-11-28 05:10:12,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:12,178 INFO L225 Difference]: With dead ends: 146 [2024-11-28 05:10:12,179 INFO L226 Difference]: Without dead ends: 68 [2024-11-28 05:10:12,186 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:10:12,191 INFO L435 NwaCegarLoop]: 97 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, 97 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 [2024-11-28 05:10:12,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:10:12,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-28 05:10:12,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-28 05:10:12,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 57 states have internal predecessors, (69), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 05:10:12,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 88 transitions. [2024-11-28 05:10:12,248 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 88 transitions. Word has length 23 [2024-11-28 05:10:12,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:12,248 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 88 transitions. [2024-11-28 05:10:12,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:10:12,249 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2024-11-28 05:10:12,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-28 05:10:12,251 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:12,251 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:12,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:10:12,252 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:12,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:12,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1046590779, now seen corresponding path program 1 times [2024-11-28 05:10:12,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:12,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903502288] [2024-11-28 05:10:12,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:12,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:12,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:10:12,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:12,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903502288] [2024-11-28 05:10:12,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903502288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:12,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:10:12,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:10:12,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184202466] [2024-11-28 05:10:12,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:12,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:10:12,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:12,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:10:12,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:10:12,437 INFO L87 Difference]: Start difference. First operand 68 states and 88 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:10:12,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:12,457 INFO L93 Difference]: Finished difference Result 104 states and 134 transitions. [2024-11-28 05:10:12,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:10:12,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-11-28 05:10:12,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:12,459 INFO L225 Difference]: With dead ends: 104 [2024-11-28 05:10:12,459 INFO L226 Difference]: Without dead ends: 60 [2024-11-28 05:10:12,460 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:10:12,461 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 12 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 137 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 [2024-11-28 05:10:12,461 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 137 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:10:12,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-28 05:10:12,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-28 05:10:12,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 52 states have internal predecessors, (63), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 05:10:12,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2024-11-28 05:10:12,472 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 23 [2024-11-28 05:10:12,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:12,472 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2024-11-28 05:10:12,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:10:12,473 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2024-11-28 05:10:12,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-28 05:10:12,474 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:12,474 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:12,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:10:12,475 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:12,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:12,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1155590260, now seen corresponding path program 1 times [2024-11-28 05:10:12,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:12,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637818263] [2024-11-28 05:10:12,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:12,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:12,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:10:12,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:12,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637818263] [2024-11-28 05:10:12,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637818263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:12,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:10:12,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:10:12,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207812409] [2024-11-28 05:10:12,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:12,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:10:12,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:12,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:10:12,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:10:12,666 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-11-28 05:10:12,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:12,686 INFO L93 Difference]: Finished difference Result 113 states and 148 transitions. [2024-11-28 05:10:12,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:10:12,687 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), 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 27 [2024-11-28 05:10:12,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:12,689 INFO L225 Difference]: With dead ends: 113 [2024-11-28 05:10:12,689 INFO L226 Difference]: Without dead ends: 60 [2024-11-28 05:10:12,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:10:12,691 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 60 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 75 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 [2024-11-28 05:10:12,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 75 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:10:12,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-28 05:10:12,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-28 05:10:12,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 52 states have internal predecessors, (62), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 05:10:12,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 76 transitions. [2024-11-28 05:10:12,704 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 76 transitions. Word has length 27 [2024-11-28 05:10:12,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:12,705 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 76 transitions. [2024-11-28 05:10:12,705 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), 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) [2024-11-28 05:10:12,705 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2024-11-28 05:10:12,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-28 05:10:12,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:12,706 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:12,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:10:12,707 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:12,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:12,708 INFO L85 PathProgramCache]: Analyzing trace with hash -304954629, now seen corresponding path program 1 times [2024-11-28 05:10:12,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:12,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257788701] [2024-11-28 05:10:12,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:12,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:12,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:10:12,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:12,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257788701] [2024-11-28 05:10:12,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257788701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:12,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:10:12,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:10:12,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220339499] [2024-11-28 05:10:12,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:12,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:10:12,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:12,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:10:12,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:10:12,840 INFO L87 Difference]: Start difference. First operand 60 states and 76 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:10:12,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:12,895 INFO L93 Difference]: Finished difference Result 151 states and 195 transitions. [2024-11-28 05:10:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:10:12,897 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-28 05:10:12,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:12,898 INFO L225 Difference]: With dead ends: 151 [2024-11-28 05:10:12,898 INFO L226 Difference]: Without dead ends: 98 [2024-11-28 05:10:12,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:10:12,904 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 65 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 131 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 [2024-11-28 05:10:12,904 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 131 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:10:12,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-28 05:10:12,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2024-11-28 05:10:12,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 74 states have (on average 1.3108108108108107) internal successors, (97), 81 states have internal predecessors, (97), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-28 05:10:12,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 121 transitions. [2024-11-28 05:10:12,944 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 121 transitions. Word has length 32 [2024-11-28 05:10:12,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:12,944 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 121 transitions. [2024-11-28 05:10:12,944 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:10:12,944 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 121 transitions. [2024-11-28 05:10:12,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-28 05:10:12,948 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:12,948 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:12,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:10:12,948 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:12,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:12,950 INFO L85 PathProgramCache]: Analyzing trace with hash 612394353, now seen corresponding path program 1 times [2024-11-28 05:10:12,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:12,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586692868] [2024-11-28 05:10:12,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:12,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:13,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:10:13,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:13,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586692868] [2024-11-28 05:10:13,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586692868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:13,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:10:13,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:10:13,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105504452] [2024-11-28 05:10:13,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:13,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:10:13,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:13,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:10:13,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:10:13,180 INFO L87 Difference]: Start difference. First operand 96 states and 121 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:10:13,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:13,285 INFO L93 Difference]: Finished difference Result 187 states and 242 transitions. [2024-11-28 05:10:13,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:10:13,289 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), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2024-11-28 05:10:13,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:13,290 INFO L225 Difference]: With dead ends: 187 [2024-11-28 05:10:13,290 INFO L226 Difference]: Without dead ends: 98 [2024-11-28 05:10:13,291 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:10:13,296 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 62 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:13,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 213 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:10:13,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-28 05:10:13,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-28 05:10:13,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 76 states have (on average 1.3026315789473684) internal successors, (99), 83 states have internal predecessors, (99), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-28 05:10:13,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 123 transitions. [2024-11-28 05:10:13,320 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 123 transitions. Word has length 38 [2024-11-28 05:10:13,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:13,321 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 123 transitions. [2024-11-28 05:10:13,321 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), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:10:13,321 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 123 transitions. [2024-11-28 05:10:13,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-28 05:10:13,322 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:13,322 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:13,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:10:13,327 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:13,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:13,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1688428237, now seen corresponding path program 1 times [2024-11-28 05:10:13,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:13,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380765617] [2024-11-28 05:10:13,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:13,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:13,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:10:13,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:13,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380765617] [2024-11-28 05:10:13,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380765617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:13,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:10:13,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:10:13,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752631347] [2024-11-28 05:10:13,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:13,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:10:13,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:13,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:10:13,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:10:13,487 INFO L87 Difference]: Start difference. First operand 98 states and 123 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:10:13,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:13,573 INFO L93 Difference]: Finished difference Result 100 states and 124 transitions. [2024-11-28 05:10:13,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:10:13,574 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2024-11-28 05:10:13,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:13,576 INFO L225 Difference]: With dead ends: 100 [2024-11-28 05:10:13,576 INFO L226 Difference]: Without dead ends: 98 [2024-11-28 05:10:13,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:10:13,577 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 51 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:13,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 279 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:10:13,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-28 05:10:13,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-28 05:10:13,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 76 states have (on average 1.2894736842105263) internal successors, (98), 83 states have internal predecessors, (98), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-28 05:10:13,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 122 transitions. [2024-11-28 05:10:13,591 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 122 transitions. Word has length 38 [2024-11-28 05:10:13,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:13,592 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 122 transitions. [2024-11-28 05:10:13,592 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:10:13,592 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 122 transitions. [2024-11-28 05:10:13,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-28 05:10:13,594 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:13,594 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:13,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:10:13,594 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:13,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:13,595 INFO L85 PathProgramCache]: Analyzing trace with hash -293309994, now seen corresponding path program 1 times [2024-11-28 05:10:13,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:13,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387968046] [2024-11-28 05:10:13,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:13,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:13,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 05:10:13,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:13,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387968046] [2024-11-28 05:10:13,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387968046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:13,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:10:13,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:10:13,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124958787] [2024-11-28 05:10:13,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:13,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:10:13,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:13,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:10:13,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:10:13,746 INFO L87 Difference]: Start difference. First operand 98 states and 122 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:10:13,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:13,795 INFO L93 Difference]: Finished difference Result 192 states and 245 transitions. [2024-11-28 05:10:13,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:10:13,796 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 44 [2024-11-28 05:10:13,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:13,797 INFO L225 Difference]: With dead ends: 192 [2024-11-28 05:10:13,797 INFO L226 Difference]: Without dead ends: 101 [2024-11-28 05:10:13,798 INFO L434 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 [2024-11-28 05:10:13,801 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 285 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 [2024-11-28 05:10:13,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 285 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:10:13,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-28 05:10:13,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-28 05:10:13,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 79 states have (on average 1.2784810126582278) internal successors, (101), 86 states have internal predecessors, (101), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-28 05:10:13,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 125 transitions. [2024-11-28 05:10:13,827 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 125 transitions. Word has length 44 [2024-11-28 05:10:13,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:13,828 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 125 transitions. [2024-11-28 05:10:13,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:10:13,828 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 125 transitions. [2024-11-28 05:10:13,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-28 05:10:13,833 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:13,833 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:13,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:10:13,834 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:13,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:13,834 INFO L85 PathProgramCache]: Analyzing trace with hash -365283886, now seen corresponding path program 1 times [2024-11-28 05:10:13,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:13,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933919586] [2024-11-28 05:10:13,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:13,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:13,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 05:10:13,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:13,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933919586] [2024-11-28 05:10:14,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933919586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:14,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:10:14,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:10:14,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391790522] [2024-11-28 05:10:14,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:14,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:10:14,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:14,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:10:14,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:10:14,004 INFO L87 Difference]: Start difference. First operand 101 states and 125 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:10:14,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:14,045 INFO L93 Difference]: Finished difference Result 235 states and 295 transitions. [2024-11-28 05:10:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:10:14,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 44 [2024-11-28 05:10:14,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:14,049 INFO L225 Difference]: With dead ends: 235 [2024-11-28 05:10:14,050 INFO L226 Difference]: Without dead ends: 141 [2024-11-28 05:10:14,050 INFO L434 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 [2024-11-28 05:10:14,053 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 34 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:14,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 139 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:10:14,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-28 05:10:14,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-11-28 05:10:14,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 110 states have (on average 1.2545454545454546) internal successors, (138), 118 states have internal predecessors, (138), 16 states have call successors, (16), 15 states have call predecessors, (16), 14 states have return successors, (18), 15 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-28 05:10:14,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 172 transitions. [2024-11-28 05:10:14,090 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 172 transitions. Word has length 44 [2024-11-28 05:10:14,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:14,092 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 172 transitions. [2024-11-28 05:10:14,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:10:14,093 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 172 transitions. [2024-11-28 05:10:14,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-28 05:10:14,095 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:14,095 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:14,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 05:10:14,095 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:14,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:14,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1300059924, now seen corresponding path program 1 times [2024-11-28 05:10:14,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:14,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233110311] [2024-11-28 05:10:14,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:14,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:14,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 05:10:14,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:14,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233110311] [2024-11-28 05:10:14,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233110311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:14,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:10:14,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 05:10:14,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349534870] [2024-11-28 05:10:14,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:14,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:10:14,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:14,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:10:14,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:10:14,351 INFO L87 Difference]: Start difference. First operand 141 states and 172 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 05:10:14,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:14,631 INFO L93 Difference]: Finished difference Result 398 states and 505 transitions. [2024-11-28 05:10:14,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:10:14,635 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 48 [2024-11-28 05:10:14,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:14,638 INFO L225 Difference]: With dead ends: 398 [2024-11-28 05:10:14,638 INFO L226 Difference]: Without dead ends: 264 [2024-11-28 05:10:14,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:10:14,644 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 61 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:14,644 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 474 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:10:14,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-28 05:10:14,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2024-11-28 05:10:14,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 203 states have (on average 1.2364532019704433) internal successors, (251), 216 states have internal predecessors, (251), 32 states have call successors, (32), 30 states have call predecessors, (32), 28 states have return successors, (40), 30 states have call predecessors, (40), 32 states have call successors, (40) [2024-11-28 05:10:14,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 323 transitions. [2024-11-28 05:10:14,683 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 323 transitions. Word has length 48 [2024-11-28 05:10:14,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:14,684 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 323 transitions. [2024-11-28 05:10:14,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 05:10:14,685 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 323 transitions. [2024-11-28 05:10:14,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 05:10:14,689 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:14,689 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:14,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 05:10:14,690 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:14,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:14,691 INFO L85 PathProgramCache]: Analyzing trace with hash -2102514356, now seen corresponding path program 1 times [2024-11-28 05:10:14,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:14,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933233498] [2024-11-28 05:10:14,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:14,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:15,034 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 05:10:15,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:15,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933233498] [2024-11-28 05:10:15,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933233498] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:10:15,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678215196] [2024-11-28 05:10:15,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:15,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:15,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:15,042 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:15,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:10:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:15,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 05:10:15,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:15,451 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 05:10:15,451 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:10:15,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678215196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:15,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:10:15,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2024-11-28 05:10:15,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051983850] [2024-11-28 05:10:15,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:15,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:10:15,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:15,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:10:15,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-28 05:10:15,454 INFO L87 Difference]: Start difference. First operand 264 states and 323 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 05:10:15,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:15,650 INFO L93 Difference]: Finished difference Result 521 states and 639 transitions. [2024-11-28 05:10:15,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:10:15,651 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) Word has length 83 [2024-11-28 05:10:15,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:15,654 INFO L225 Difference]: With dead ends: 521 [2024-11-28 05:10:15,655 INFO L226 Difference]: Without dead ends: 264 [2024-11-28 05:10:15,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-28 05:10:15,657 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 44 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:15,657 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 628 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:10:15,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-28 05:10:15,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2024-11-28 05:10:15,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 203 states have (on average 1.2167487684729064) internal successors, (247), 216 states have internal predecessors, (247), 32 states have call successors, (32), 30 states have call predecessors, (32), 28 states have return successors, (35), 30 states have call predecessors, (35), 32 states have call successors, (35) [2024-11-28 05:10:15,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 314 transitions. [2024-11-28 05:10:15,697 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 314 transitions. Word has length 83 [2024-11-28 05:10:15,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:15,697 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 314 transitions. [2024-11-28 05:10:15,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 05:10:15,698 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 314 transitions. [2024-11-28 05:10:15,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-28 05:10:15,700 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:15,700 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:15,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:10:15,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:15,903 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:15,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:15,904 INFO L85 PathProgramCache]: Analyzing trace with hash -190457048, now seen corresponding path program 1 times [2024-11-28 05:10:15,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:15,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139492831] [2024-11-28 05:10:15,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:15,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:10:15,950 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:10:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:10:16,020 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 05:10:16,020 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 05:10:16,021 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:10:16,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 05:10:16,030 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:16,112 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:10:16,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:10:16 BoogieIcfgContainer [2024-11-28 05:10:16,116 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:10:16,117 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:10:16,117 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:10:16,117 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:10:16,118 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:10:11" (3/4) ... [2024-11-28 05:10:16,119 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-28 05:10:16,255 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 65. [2024-11-28 05:10:16,385 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:10:16,386 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:10:16,386 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:10:16,387 INFO L158 Benchmark]: Toolchain (without parser) took 6104.83ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 108.7MB in the end (delta: 8.0MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. [2024-11-28 05:10:16,387 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 73.6MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:10:16,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 676.96ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 97.9MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:10:16,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.23ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 96.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:10:16,388 INFO L158 Benchmark]: Boogie Preprocessor took 49.49ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 94.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:10:16,389 INFO L158 Benchmark]: RCFGBuilder took 506.78ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 78.9MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:10:16,389 INFO L158 Benchmark]: TraceAbstraction took 4518.10ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 44.3MB in the end (delta: 33.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-28 05:10:16,390 INFO L158 Benchmark]: Witness Printer took 269.10ms. Allocated memory is still 142.6MB. Free memory was 43.1MB in the beginning and 108.7MB in the end (delta: -65.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:10:16,392 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 73.6MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 676.96ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 97.9MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.23ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 96.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.49ms. Allocated memory is still 142.6MB. Free memory was 96.1MB in the beginning and 94.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 506.78ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 78.9MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4518.10ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 44.3MB in the end (delta: 33.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 269.10ms. Allocated memory is still 142.6MB. Free memory was 43.1MB in the beginning and 108.7MB in the end (delta: -65.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [415] - GenericResultAtLocation [Line: 484]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [484] - GenericResultAtLocation [Line: 583]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [583] - GenericResultAtLocation [Line: 758]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [758] - GenericResultAtLocation [Line: 857]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [857] - GenericResultAtLocation [Line: 892]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [892] - GenericResultAtLocation [Line: 901]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [901] * 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: 897]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L490] int waterLevel = 1; [L491] int methaneLevelCritical = 0; [L588] int pumpRunning = 0; [L589] int systemActive = 1; [L759] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L835] int retValue_acc ; [L836] int tmp ; [L840] FCALL select_helpers() [L841] FCALL select_features() [L842] CALL, EXPR valid_product() [L884] int retValue_acc ; [L887] retValue_acc = 1 [L888] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L842] RET, EXPR valid_product() [L842] tmp = valid_product() [L844] COND TRUE \read(tmp) [L846] FCALL setup() [L847] CALL runTest() [L826] CALL test() [L421] int splverifierCounter ; [L422] int tmp ; [L423] int tmp___0 ; [L424] int tmp___1 ; [L425] int tmp___2 ; [L428] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L432] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L438] tmp = __VERIFIER_nondet_int() [L440] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L442] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L508] COND TRUE waterLevel < 2 [L509] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L442] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L448] tmp___0 = __VERIFIER_nondet_int() [L450] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L458] tmp___2 = __VERIFIER_nondet_int() [L460] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L473] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L603] COND TRUE \read(systemActive) [L605] CALL processEnvironment() [L625] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L628] COND TRUE ! pumpRunning [L630] CALL, EXPR isHighWaterLevel() [L740] int retValue_acc ; [L741] int tmp ; [L742] int tmp___0 ; [L746] CALL, EXPR isHighWaterSensorDry() [L570] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L573] COND FALSE !(waterLevel < 2) [L577] retValue_acc = 0 [L578] 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] [L746] RET, EXPR isHighWaterSensorDry() [L746] tmp = isHighWaterSensorDry() [L748] COND FALSE !(\read(tmp)) [L751] 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] [L753] retValue_acc = tmp___0 [L754] 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] [L630] RET, EXPR isHighWaterLevel() [L630] tmp = isHighWaterLevel() [L632] COND TRUE \read(tmp) [L634] CALL activatePump() [L659] int tmp ; [L663] CALL, EXPR isMethaneAlarm() [L684] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L688] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L529] int retValue_acc ; [L532] retValue_acc = methaneLevelCritical [L533] 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] [L688] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L688] retValue_acc = isMethaneLevelCritical() [L690] 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] [L663] RET, EXPR isMethaneAlarm() [L663] tmp = isMethaneAlarm() [L665] COND FALSE !(\read(tmp)) [L669] CALL activatePump__wrappee__highWaterSensor() [L653] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L669] RET activatePump__wrappee__highWaterSensor() [L634] RET activatePump() [L605] RET processEnvironment() [L611] CALL __utac_acc__Specification1_spec__1() [L903] int tmp ; [L904] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L908] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L529] int retValue_acc ; [L532] retValue_acc = methaneLevelCritical [L533] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L908] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L908] tmp = isMethaneLevelCritical() [L910] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L611] RET __utac_acc__Specification1_spec__1() [L473] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L432] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L438] tmp = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L448] tmp___0 = __VERIFIER_nondet_int() [L450] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L452] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L520] COND FALSE !(\read(methaneLevelCritical)) [L523] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L452] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L458] tmp___2 = __VERIFIER_nondet_int() [L460] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L473] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L596] COND TRUE \read(pumpRunning) [L598] CALL lowerWaterLevel() [L496] COND TRUE waterLevel > 0 [L497] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L598] RET lowerWaterLevel() [L603] COND TRUE \read(systemActive) [L605] CALL processEnvironment() [L625] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L628] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L643] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L605] RET processEnvironment() [L611] CALL __utac_acc__Specification1_spec__1() [L903] int tmp ; [L904] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L908] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L529] int retValue_acc ; [L532] retValue_acc = methaneLevelCritical [L533] return (retValue_acc); VAL [\old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L908] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L908] tmp = isMethaneLevelCritical() [L910] COND TRUE \read(tmp) [L912] CALL, EXPR isPumpRunning() [L695] int retValue_acc ; [L698] retValue_acc = pumpRunning [L699] return (retValue_acc); VAL [\old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L912] RET, EXPR isPumpRunning() [L912] tmp___0 = isPumpRunning() [L914] COND TRUE \read(tmp___0) [L916] CALL __automaton_fail() [L897] reach_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 395 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 389 mSDsluCounter, 2458 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1625 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 313 IncrementalHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 833 mSDtfsCounter, 313 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=264occurred in iteration=9, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 562 NumberOfCodeBlocks, 562 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 472 ConstructedInterpolants, 0 QuantifiedInterpolants, 827 SizeOfPredicates, 0 NumberOfNonLiveVariables, 280 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 61/67 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-28 05:10:16,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a751ef-9bee-45cb-8807-4fa958b77a3b/bin/uautomizer-verify-aQ6SnzHsRB/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