./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fbb32b4b0fc13b053223118a66ace38dea46a70e128659e3b9aa432a1c2485f8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:04:13,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:04:13,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:04:13,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:04:13,319 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:04:13,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:04:13,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:04:13,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:04:13,353 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:04:13,353 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:04:13,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:04:13,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:04:13,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:04:13,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:04:13,356 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:04:13,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:04:13,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:04:13,357 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:04:13,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:04:13,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:04:13,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:04:13,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:04:13,358 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:04:13,358 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:04:13,358 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:04:13,358 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:04:13,358 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:04:13,358 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:04:13,359 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:04:13,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:04:13,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:04:13,360 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:04:13,360 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:04:13,360 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:04:13,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:04:13,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:04:13,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:04:13,361 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:04:13,361 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:04:13,361 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:04:13,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:04:13,362 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:04:13,362 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:04:13,362 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:04:13,362 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:04:13,362 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_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbb32b4b0fc13b053223118a66ace38dea46a70e128659e3b9aa432a1c2485f8 [2024-11-24 01:04:13,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:04:13,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:04:13,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:04:13,796 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:04:13,796 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:04:13,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i [2024-11-24 01:04:17,124 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/data/2164a88e3/ece9167e2bd841bbabe2987b135e1723/FLAGa2fa471fb [2024-11-24 01:04:17,473 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:04:17,474 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i [2024-11-24 01:04:17,488 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/data/2164a88e3/ece9167e2bd841bbabe2987b135e1723/FLAGa2fa471fb [2024-11-24 01:04:17,510 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/data/2164a88e3/ece9167e2bd841bbabe2987b135e1723 [2024-11-24 01:04:17,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:04:17,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:04:17,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:04:17,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:04:17,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:04:17,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:04:17" (1/1) ... [2024-11-24 01:04:17,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f7cd794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:17, skipping insertion in model container [2024-11-24 01:04:17,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:04:17" (1/1) ... [2024-11-24 01:04:17,544 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:04:17,746 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_7a57b8dc-d6cf-421f-9c73-95bb6263841f/sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i[1088,1101] [2024-11-24 01:04:17,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:04:17,800 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:04:17,813 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_7a57b8dc-d6cf-421f-9c73-95bb6263841f/sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i[1088,1101] [2024-11-24 01:04:17,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:04:17,843 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:04:17,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:17 WrapperNode [2024-11-24 01:04:17,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:04:17,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:04:17,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:04:17,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:04:17,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:17" (1/1) ... [2024-11-24 01:04:17,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:17" (1/1) ... [2024-11-24 01:04:17,889 INFO L138 Inliner]: procedures = 21, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2024-11-24 01:04:17,889 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:04:17,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:04:17,890 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:04:17,890 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:04:17,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:17" (1/1) ... [2024-11-24 01:04:17,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:17" (1/1) ... [2024-11-24 01:04:17,900 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:17" (1/1) ... [2024-11-24 01:04:17,910 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:04:17,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:17" (1/1) ... [2024-11-24 01:04:17,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:17" (1/1) ... [2024-11-24 01:04:17,918 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:17" (1/1) ... [2024-11-24 01:04:17,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:17" (1/1) ... [2024-11-24 01:04:17,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:17" (1/1) ... [2024-11-24 01:04:17,927 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:17" (1/1) ... [2024-11-24 01:04:17,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:17" (1/1) ... [2024-11-24 01:04:17,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:04:17,930 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:04:17,930 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:04:17,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:04:17,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:17" (1/1) ... [2024-11-24 01:04:17,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:04:17,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:04:17,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:04:17,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:04:18,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:04:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:04:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:04:18,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:04:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-24 01:04:18,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-24 01:04:18,084 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:04:18,087 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:04:18,226 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-24 01:04:18,226 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:04:18,236 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:04:18,236 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 01:04:18,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:04:18 BoogieIcfgContainer [2024-11-24 01:04:18,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:04:18,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:04:18,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:04:18,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:04:18,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:04:17" (1/3) ... [2024-11-24 01:04:18,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fe4028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:04:18, skipping insertion in model container [2024-11-24 01:04:18,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:17" (2/3) ... [2024-11-24 01:04:18,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fe4028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:04:18, skipping insertion in model container [2024-11-24 01:04:18,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:04:18" (3/3) ... [2024-11-24 01:04:18,248 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_04-counting-local_true.i [2024-11-24 01:04:18,263 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:04:18,265 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_04-counting-local_true.i that has 2 procedures, 17 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2024-11-24 01:04:18,317 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:04:18,334 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;@6826680c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:04:18,334 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-24 01:04:18,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 01:04:18,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 01:04:18,345 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:04:18,346 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:04:18,346 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:04:18,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:04:18,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1816863907, now seen corresponding path program 1 times [2024-11-24 01:04:18,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:04:18,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682097131] [2024-11-24 01:04:18,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:04:18,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:04:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:04:18,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:04:18,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:04:18,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682097131] [2024-11-24 01:04:18,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682097131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:04:18,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:04:18,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:04:18,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266675114] [2024-11-24 01:04:18,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:04:18,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:04:18,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:04:18,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:04:18,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:04:18,674 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:04:18,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:04:18,701 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2024-11-24 01:04:18,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:04:18,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-24 01:04:18,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:04:18,710 INFO L225 Difference]: With dead ends: 25 [2024-11-24 01:04:18,710 INFO L226 Difference]: Without dead ends: 12 [2024-11-24 01:04:18,714 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 [2024-11-24 01:04:18,718 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:04:18,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:04:18,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-24 01:04:18,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-24 01:04:18,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.125) internal successors, (9), 9 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:04:18,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2024-11-24 01:04:18,748 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2024-11-24 01:04:18,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:04:18,748 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2024-11-24 01:04:18,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:04:18,749 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2024-11-24 01:04:18,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 01:04:18,749 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:04:18,750 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:04:18,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:04:18,750 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:04:18,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:04:18,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1805722073, now seen corresponding path program 1 times [2024-11-24 01:04:18,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:04:18,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470906324] [2024-11-24 01:04:18,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:04:18,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:04:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:04:19,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:04:19,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:04:19,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470906324] [2024-11-24 01:04:19,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470906324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:04:19,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:04:19,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:04:19,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534850913] [2024-11-24 01:04:19,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:04:19,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:04:19,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:04:19,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:04:19,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:04:19,129 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:04:19,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:04:19,200 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2024-11-24 01:04:19,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:04:19,203 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-24 01:04:19,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:04:19,204 INFO L225 Difference]: With dead ends: 12 [2024-11-24 01:04:19,204 INFO L226 Difference]: Without dead ends: 10 [2024-11-24 01:04:19,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:04:19,205 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:04:19,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:04:19,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-24 01:04:19,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-11-24 01:04:19,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:04:19,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2024-11-24 01:04:19,214 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 7 [2024-11-24 01:04:19,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:04:19,215 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2024-11-24 01:04:19,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:04:19,215 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-11-24 01:04:19,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 01:04:19,216 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:04:19,216 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:04:19,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:04:19,216 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:04:19,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:04:19,217 INFO L85 PathProgramCache]: Analyzing trace with hash 132279424, now seen corresponding path program 1 times [2024-11-24 01:04:19,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:04:19,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292272965] [2024-11-24 01:04:19,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:04:19,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:04:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:04:19,259 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:04:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:04:19,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:04:19,316 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:04:19,317 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-24 01:04:19,321 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-24 01:04:19,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:04:19,329 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-24 01:04:19,352 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:04:19,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:04:19 BoogieIcfgContainer [2024-11-24 01:04:19,356 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:04:19,357 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:04:19,357 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:04:19,357 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:04:19,358 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:04:18" (3/4) ... [2024-11-24 01:04:19,361 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:04:19,361 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:04:19,363 INFO L158 Benchmark]: Toolchain (without parser) took 1849.04ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 94.8MB in the end (delta: 24.5MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-11-24 01:04:19,363 INFO L158 Benchmark]: CDTParser took 3.01ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:04:19,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.61ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.8MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:04:19,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.19ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:04:19,364 INFO L158 Benchmark]: Boogie Preprocessor took 39.80ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:04:19,365 INFO L158 Benchmark]: RCFGBuilder took 306.57ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 94.7MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:04:19,365 INFO L158 Benchmark]: TraceAbstraction took 1116.80ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 94.8MB in the end (delta: -649.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:04:19,366 INFO L158 Benchmark]: Witness Printer took 5.09ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 94.8MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:04:19,368 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.01ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.61ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.8MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.19ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.80ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 306.57ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 94.7MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1116.80ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 94.8MB in the end (delta: -649.2kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.09ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 94.8MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. * 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 - UnprovableResult [Line: 48]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 48. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L52] volatile int count = 0; VAL [count=0] [L54] COND TRUE count < 5 [L55] count++ [L56] CALL foo(count) [L47] CALL __VERIFIER_assert(count >= 0 && count <= 5) VAL [\old(cond)=1] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L47] RET __VERIFIER_assert(count >= 0 && count <= 5) VAL [count=1] [L48] longjmp(my_jump_buffer, 1) VAL [count=1] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 15 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 01:04:19,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fbb32b4b0fc13b053223118a66ace38dea46a70e128659e3b9aa432a1c2485f8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:04:22,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:04:22,641 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-24 01:04:22,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:04:22,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:04:22,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:04:22,712 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:04:22,712 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:04:22,713 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:04:22,713 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:04:22,714 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:04:22,715 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:04:22,715 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:04:22,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:04:22,716 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:04:22,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:04:22,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:04:22,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:04:22,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:04:22,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:04:22,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:04:22,716 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:04:22,717 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:04:22,717 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:04:22,718 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:04:22,718 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:04:22,718 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:04:22,718 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:04:22,719 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:04:22,719 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:04:22,719 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:04:22,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:04:22,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:04:22,721 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:04:22,721 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:04:22,721 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:04:22,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:04:22,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:04:22,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:04:22,721 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:04:22,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:04:22,721 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:04:22,722 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:04:22,722 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:04:22,722 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:04:22,722 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:04:22,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:04:22,722 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_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbb32b4b0fc13b053223118a66ace38dea46a70e128659e3b9aa432a1c2485f8 [2024-11-24 01:04:23,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:04:23,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:04:23,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:04:23,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:04:23,143 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:04:23,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i [2024-11-24 01:04:26,413 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/data/db7009171/f6ecfe3f1851484db0d39e508482a5db/FLAG679063597 [2024-11-24 01:04:26,674 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:04:26,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i [2024-11-24 01:04:26,686 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/data/db7009171/f6ecfe3f1851484db0d39e508482a5db/FLAG679063597 [2024-11-24 01:04:26,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/data/db7009171/f6ecfe3f1851484db0d39e508482a5db [2024-11-24 01:04:26,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:04:26,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:04:26,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:04:26,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:04:26,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:04:26,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:04:26" (1/1) ... [2024-11-24 01:04:26,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4393bae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:26, skipping insertion in model container [2024-11-24 01:04:26,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:04:26" (1/1) ... [2024-11-24 01:04:26,749 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:04:26,925 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_7a57b8dc-d6cf-421f-9c73-95bb6263841f/sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i[1088,1101] [2024-11-24 01:04:26,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:04:26,978 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:04:26,991 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_7a57b8dc-d6cf-421f-9c73-95bb6263841f/sv-benchmarks/c/longjmp/68-longjmp_04-counting-local_true.i[1088,1101] [2024-11-24 01:04:27,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:04:27,033 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:04:27,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:27 WrapperNode [2024-11-24 01:04:27,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:04:27,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:04:27,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:04:27,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:04:27,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:27" (1/1) ... [2024-11-24 01:04:27,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:27" (1/1) ... [2024-11-24 01:04:27,080 INFO L138 Inliner]: procedures = 21, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2024-11-24 01:04:27,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:04:27,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:04:27,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:04:27,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:04:27,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:27" (1/1) ... [2024-11-24 01:04:27,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:27" (1/1) ... [2024-11-24 01:04:27,097 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:27" (1/1) ... [2024-11-24 01:04:27,115 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:04:27,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:27" (1/1) ... [2024-11-24 01:04:27,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:27" (1/1) ... [2024-11-24 01:04:27,122 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:27" (1/1) ... [2024-11-24 01:04:27,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:27" (1/1) ... [2024-11-24 01:04:27,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:27" (1/1) ... [2024-11-24 01:04:27,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:27" (1/1) ... [2024-11-24 01:04:27,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:27" (1/1) ... [2024-11-24 01:04:27,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:04:27,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:04:27,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:04:27,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:04:27,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:27" (1/1) ... [2024-11-24 01:04:27,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:04:27,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:04:27,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:04:27,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:04:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:04:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:04:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:04:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:04:27,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-24 01:04:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-24 01:04:27,254 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:04:27,256 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:04:27,503 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-24 01:04:27,504 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:04:27,515 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:04:27,516 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 01:04:27,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:04:27 BoogieIcfgContainer [2024-11-24 01:04:27,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:04:27,520 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:04:27,520 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:04:27,526 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:04:27,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:04:26" (1/3) ... [2024-11-24 01:04:27,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c4bdff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:04:27, skipping insertion in model container [2024-11-24 01:04:27,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:04:27" (2/3) ... [2024-11-24 01:04:27,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c4bdff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:04:27, skipping insertion in model container [2024-11-24 01:04:27,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:04:27" (3/3) ... [2024-11-24 01:04:27,531 INFO L128 eAbstractionObserver]: Analyzing ICFG 68-longjmp_04-counting-local_true.i [2024-11-24 01:04:27,548 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:04:27,551 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 68-longjmp_04-counting-local_true.i that has 2 procedures, 17 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2024-11-24 01:04:27,614 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:04:27,632 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;@1f6dde2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:04:27,633 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-24 01:04:27,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 01:04:27,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 01:04:27,644 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:04:27,645 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:04:27,646 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:04:27,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:04:27,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1816863907, now seen corresponding path program 1 times [2024-11-24 01:04:27,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:04:27,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [81024469] [2024-11-24 01:04:27,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:04:27,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:04:27,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:04:27,673 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:04:27,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:04:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:04:27,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:04:27,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:04:27,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:04:27,876 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:04:27,877 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:04:27,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81024469] [2024-11-24 01:04:27,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81024469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:04:27,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:04:27,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:04:27,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436972407] [2024-11-24 01:04:27,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:04:27,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:04:27,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:04:27,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:04:27,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:04:27,909 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:04:27,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:04:27,931 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2024-11-24 01:04:27,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:04:27,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-24 01:04:27,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:04:27,938 INFO L225 Difference]: With dead ends: 25 [2024-11-24 01:04:27,938 INFO L226 Difference]: Without dead ends: 12 [2024-11-24 01:04:27,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:04:27,943 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:04:27,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:04:27,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-24 01:04:27,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-24 01:04:27,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.125) internal successors, (9), 9 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:04:27,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2024-11-24 01:04:27,973 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 7 [2024-11-24 01:04:27,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:04:27,974 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2024-11-24 01:04:27,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:04:27,974 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2024-11-24 01:04:27,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 01:04:27,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:04:27,975 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:04:27,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 01:04:28,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:04:28,180 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:04:28,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:04:28,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1805722073, now seen corresponding path program 1 times [2024-11-24 01:04:28,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:04:28,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [218767086] [2024-11-24 01:04:28,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:04:28,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:04:28,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:04:28,187 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:04:28,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:04:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:04:28,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 01:04:28,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:04:28,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:04:28,466 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:04:28,466 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:04:28,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218767086] [2024-11-24 01:04:28,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218767086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:04:28,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:04:28,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:04:28,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611701891] [2024-11-24 01:04:28,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:04:28,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:04:28,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:04:28,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:04:28,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:04:28,472 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:04:28,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:04:28,524 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2024-11-24 01:04:28,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:04:28,525 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-24 01:04:28,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:04:28,525 INFO L225 Difference]: With dead ends: 12 [2024-11-24 01:04:28,525 INFO L226 Difference]: Without dead ends: 10 [2024-11-24 01:04:28,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:04:28,526 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:04:28,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:04:28,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-24 01:04:28,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-11-24 01:04:28,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:04:28,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2024-11-24 01:04:28,533 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 7 [2024-11-24 01:04:28,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:04:28,534 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2024-11-24 01:04:28,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:04:28,534 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-11-24 01:04:28,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 01:04:28,534 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:04:28,534 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:04:28,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 01:04:28,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:04:28,735 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:04:28,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:04:28,736 INFO L85 PathProgramCache]: Analyzing trace with hash 132279424, now seen corresponding path program 1 times [2024-11-24 01:04:28,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:04:28,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1508202920] [2024-11-24 01:04:28,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:04:28,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:04:28,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:04:28,740 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:04:28,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:04:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:04:28,880 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:04:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:04:28,949 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-24 01:04:28,949 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:04:28,951 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2024-11-24 01:04:28,953 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-24 01:04:28,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 01:04:29,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:04:29,163 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-24 01:04:29,179 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:04:29,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:04:29 BoogieIcfgContainer [2024-11-24 01:04:29,182 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:04:29,183 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:04:29,183 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:04:29,183 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:04:29,184 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:04:27" (3/4) ... [2024-11-24 01:04:29,186 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:04:29,187 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:04:29,188 INFO L158 Benchmark]: Toolchain (without parser) took 2473.20ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 80.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-24 01:04:29,189 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:04:29,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.32ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.6MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:04:29,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.44ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.9MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:04:29,190 INFO L158 Benchmark]: Boogie Preprocessor took 47.05ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:04:29,190 INFO L158 Benchmark]: RCFGBuilder took 386.43ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 68.0MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:04:29,190 INFO L158 Benchmark]: TraceAbstraction took 1662.59ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 80.0MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:04:29,191 INFO L158 Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 80.0MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:04:29,192 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.32ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.6MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.44ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.9MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.05ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 386.43ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 68.0MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1662.59ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 80.0MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.57ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 80.0MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * 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 - UnprovableResult [Line: 48]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of longjmp at line 48. Possible FailurePath: [L44] jmp_buf my_jump_buffer; [L52] volatile int count = 0; VAL [count=0] [L54] COND TRUE count < 5 [L55] count++ [L56] CALL foo(count) [L47] CALL __VERIFIER_assert(count >= 0 && count <= 5) VAL [\old(cond)=1] [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L47] RET __VERIFIER_assert(count >= 0 && count <= 5) VAL [count=1] [L48] longjmp(my_jump_buffer, 1) VAL [count=1] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 15 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 2 NumberOfNonLiveVariables, 99 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 01:04:29,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a57b8dc-d6cf-421f-9c73-95bb6263841f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample