./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.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_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/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_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/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_99c9281c-3910-493e-a55d-0bb5221f0b55/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 0e5349f2aac0388d197fa32950f3e69d3339933dee46585f91772f9bda921aa4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:12:10,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:12:10,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 23:12:10,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:12:10,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:12:10,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:12:10,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:12:10,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:12:10,275 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:12:10,276 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:12:10,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:12:10,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:12:10,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:12:10,279 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:12:10,279 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:12:10,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:12:10,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:12:10,279 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:12:10,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:12:10,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:12:10,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:12:10,280 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:12:10,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:12:10,280 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:12:10,280 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:12:10,280 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:12:10,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:12:10,280 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:12:10,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:12:10,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:12:10,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:12:10,281 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:12:10,281 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:12:10,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:12:10,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:12:10,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:12:10,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:12:10,282 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:12:10,282 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:12:10,282 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:12:10,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:12:10,282 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:12:10,282 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:12:10,282 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:12:10,282 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:12:10,282 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_99c9281c-3910-493e-a55d-0bb5221f0b55/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 -> 0e5349f2aac0388d197fa32950f3e69d3339933dee46585f91772f9bda921aa4 [2024-11-23 23:12:10,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:12:10,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:12:10,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:12:10,646 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:12:10,647 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:12:10,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i [2024-11-23 23:12:13,997 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/data/729687dc8/aa33244a2a394c66bf35e292f276945f/FLAG92ca4db30 [2024-11-23 23:12:14,746 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:12:14,746 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i [2024-11-23 23:12:14,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/data/729687dc8/aa33244a2a394c66bf35e292f276945f/FLAG92ca4db30 [2024-11-23 23:12:14,843 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/data/729687dc8/aa33244a2a394c66bf35e292f276945f [2024-11-23 23:12:14,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:12:14,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:12:14,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:12:14,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:12:14,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:12:14,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:12:14" (1/1) ... [2024-11-23 23:12:14,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e5aaec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:12:14, skipping insertion in model container [2024-11-23 23:12:14,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:12:14" (1/1) ... [2024-11-23 23:12:14,993 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:12:15,500 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3059] [2024-11-23 23:12:15,501 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3060-3061] [2024-11-23 23:12:15,668 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_99c9281c-3910-493e-a55d-0bb5221f0b55/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i[90990,91003] [2024-11-23 23:12:16,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:12:16,322 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:12:16,453 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3059] [2024-11-23 23:12:16,453 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3060-3061] [2024-11-23 23:12:16,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3171] [2024-11-23 23:12:16,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [3179-3180] [2024-11-23 23:12:16,476 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_99c9281c-3910-493e-a55d-0bb5221f0b55/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i[90990,91003] [2024-11-23 23:12:16,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:12:16,807 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:12:16,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:12:16 WrapperNode [2024-11-23 23:12:16,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:12:16,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:12:16,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:12:16,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:12:16,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:12:16" (1/1) ... [2024-11-23 23:12:16,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:12:16" (1/1) ... [2024-11-23 23:12:17,093 INFO L138 Inliner]: procedures = 121, calls = 1489, calls flagged for inlining = 38, calls inlined = 36, statements flattened = 2419 [2024-11-23 23:12:17,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:12:17,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:12:17,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:12:17,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:12:17,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:12:16" (1/1) ... [2024-11-23 23:12:17,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:12:16" (1/1) ... [2024-11-23 23:12:17,160 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:12:16" (1/1) ... [2024-11-23 23:12:17,347 INFO L175 MemorySlicer]: Split 1100 memory accesses to 19 slices as follows [2, 5, 392, 512, 11, 1, 2, 3, 6, 11, 3, 31, 13, 29, 24, 8, 11, 6, 30]. 47 percent of accesses are in the largest equivalence class. The 797 initializations are split as follows [2, 5, 176, 512, 11, 1, 0, 3, 6, 11, 0, 24, 13, 29, 0, 0, 4, 0, 0]. The 204 writes are split as follows [0, 0, 139, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 24, 2, 0, 5, 30]. [2024-11-23 23:12:17,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:12:16" (1/1) ... [2024-11-23 23:12:17,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:12:16" (1/1) ... [2024-11-23 23:12:17,469 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:12:16" (1/1) ... [2024-11-23 23:12:17,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:12:16" (1/1) ... [2024-11-23 23:12:17,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:12:16" (1/1) ... [2024-11-23 23:12:17,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:12:16" (1/1) ... [2024-11-23 23:12:17,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:12:16" (1/1) ... [2024-11-23 23:12:17,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:12:17,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:12:17,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:12:17,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:12:17,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:12:16" (1/1) ... [2024-11-23 23:12:17,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:12:17,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:12:17,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:12:17,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:12:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-11-23 23:12:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-11-23 23:12:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-11-23 23:12:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-11-23 23:12:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-11-23 23:12:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-11-23 23:12:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-11-23 23:12:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-11-23 23:12:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 23:12:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 23:12:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 23:12:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 23:12:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 23:12:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 23:12:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 23:12:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 23:12:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 23:12:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 23:12:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 23:12:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 23:12:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 23:12:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 23:12:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 23:12:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 23:12:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 23:12:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-23 23:12:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-23 23:12:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 23:12:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 23:12:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 23:12:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 23:12:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 23:12:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 23:12:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 23:12:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 23:12:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 23:12:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 23:12:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 23:12:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 23:12:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 23:12:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 23:12:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 23:12:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 23:12:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 23:12:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-23 23:12:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-23 23:12:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 23:12:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 23:12:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:12:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:12:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:12:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:12:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:12:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 23:12:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 23:12:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 23:12:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 23:12:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 23:12:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 23:12:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 23:12:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 23:12:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 23:12:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 23:12:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 23:12:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 23:12:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-23 23:12:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-23 23:12:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2024-11-23 23:12:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2024-11-23 23:12:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-11-23 23:12:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-11-23 23:12:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2024-11-23 23:12:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2024-11-23 23:12:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 23:12:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 23:12:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2024-11-23 23:12:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2024-11-23 23:12:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2024-11-23 23:12:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2024-11-23 23:12:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2024-11-23 23:12:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2024-11-23 23:12:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:12:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:12:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:12:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:12:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:12:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 23:12:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 23:12:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 23:12:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 23:12:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 23:12:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 23:12:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 23:12:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 23:12:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 23:12:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 23:12:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 23:12:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 23:12:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-23 23:12:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-23 23:12:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write [2024-11-23 23:12:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write [2024-11-23 23:12:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-23 23:12:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-23 23:12:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-23 23:12:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-23 23:12:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 23:12:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 23:12:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:12:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:12:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2024-11-23 23:12:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2024-11-23 23:12:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:12:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2024-11-23 23:12:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2024-11-23 23:12:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2024-11-23 23:12:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2024-11-23 23:12:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-23 23:12:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-23 23:12:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:12:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-23 23:12:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-23 23:12:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-23 23:12:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-23 23:12:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 23:12:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 23:12:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 23:12:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 23:12:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 23:12:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 23:12:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 23:12:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 23:12:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 23:12:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 23:12:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 23:12:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 23:12:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 23:12:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 23:12:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 23:12:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 23:12:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 23:12:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-23 23:12:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-23 23:12:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:12:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2024-11-23 23:12:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2024-11-23 23:12:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-23 23:12:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-23 23:12:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2024-11-23 23:12:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2024-11-23 23:12:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 23:12:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 23:12:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 23:12:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 23:12:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 23:12:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 23:12:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 23:12:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 23:12:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 23:12:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 23:12:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 23:12:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 23:12:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 23:12:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 23:12:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 23:12:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 23:12:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 23:12:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-23 23:12:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-23 23:12:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2024-11-23 23:12:17,688 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2024-11-23 23:12:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2024-11-23 23:12:17,688 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2024-11-23 23:12:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_20 [2024-11-23 23:12:17,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_20 [2024-11-23 23:12:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2024-11-23 23:12:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2024-11-23 23:12:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2024-11-23 23:12:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2024-11-23 23:12:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:12:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 23:12:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 23:12:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 23:12:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 23:12:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 23:12:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 23:12:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-23 23:12:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-23 23:12:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-23 23:12:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-23 23:12:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-23 23:12:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-23 23:12:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-23 23:12:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-23 23:12:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-23 23:12:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-23 23:12:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-23 23:12:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-23 23:12:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-23 23:12:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-11-23 23:12:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-11-23 23:12:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-11-23 23:12:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-11-23 23:12:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-23 23:12:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-23 23:12:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 23:12:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 23:12:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2024-11-23 23:12:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2024-11-23 23:12:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-11-23 23:12:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-11-23 23:12:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2024-11-23 23:12:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2024-11-23 23:12:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-23 23:12:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-23 23:12:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2024-11-23 23:12:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2024-11-23 23:12:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:12:17,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:12:17,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:12:17,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:12:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:12:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 23:12:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 23:12:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 23:12:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 23:12:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 23:12:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 23:12:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 23:12:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 23:12:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 23:12:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 23:12:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 23:12:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 23:12:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-23 23:12:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-23 23:12:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2024-11-23 23:12:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2024-11-23 23:12:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2024-11-23 23:12:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2024-11-23 23:12:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2024-11-23 23:12:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2024-11-23 23:12:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-23 23:12:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-23 23:12:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-23 23:12:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-23 23:12:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:12:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:12:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2024-11-23 23:12:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2024-11-23 23:12:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-23 23:12:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-23 23:12:18,486 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:12:18,492 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:12:18,567 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 23:12:35,054 INFO L? ?]: Removed 714 outVars from TransFormulas that were not future-live. [2024-11-23 23:12:35,055 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:12:35,099 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:12:35,099 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-23 23:12:35,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:12:35 BoogieIcfgContainer [2024-11-23 23:12:35,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:12:35,106 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:12:35,107 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:12:35,114 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:12:35,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:12:14" (1/3) ... [2024-11-23 23:12:35,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e6b18cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:12:35, skipping insertion in model container [2024-11-23 23:12:35,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:12:16" (2/3) ... [2024-11-23 23:12:35,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e6b18cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:12:35, skipping insertion in model container [2024-11-23 23:12:35,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:12:35" (3/3) ... [2024-11-23 23:12:35,118 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i [2024-11-23 23:12:35,133 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:12:35,135 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i that has 48 procedures, 883 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:12:35,248 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:12:35,262 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;@73d36195, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:12:35,262 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:12:35,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 882 states, 642 states have (on average 1.3831775700934579) internal successors, (888), 661 states have internal predecessors, (888), 196 states have call successors, (196), 47 states have call predecessors, (196), 46 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) [2024-11-23 23:12:35,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-23 23:12:35,309 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:12:35,310 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:12:35,310 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:12:35,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:12:35,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1970765120, now seen corresponding path program 1 times [2024-11-23 23:12:35,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:12:35,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742817796] [2024-11-23 23:12:35,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:12:35,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:12:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:12:37,912 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-23 23:12:37,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:12:37,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742817796] [2024-11-23 23:12:37,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742817796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:12:37,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:12:37,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:12:37,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568435851] [2024-11-23 23:12:37,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:12:37,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:12:37,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:12:37,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:12:37,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:12:37,960 INFO L87 Difference]: Start difference. First operand has 882 states, 642 states have (on average 1.3831775700934579) internal successors, (888), 661 states have internal predecessors, (888), 196 states have call successors, (196), 47 states have call predecessors, (196), 46 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:12:38,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:12:38,856 INFO L93 Difference]: Finished difference Result 2156 states and 3172 transitions. [2024-11-23 23:12:38,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:12:38,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 131 [2024-11-23 23:12:38,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:12:38,902 INFO L225 Difference]: With dead ends: 2156 [2024-11-23 23:12:38,903 INFO L226 Difference]: Without dead ends: 1211 [2024-11-23 23:12:38,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:12:38,928 INFO L435 NwaCegarLoop]: 1561 mSDtfsCounter, 584 mSDsluCounter, 1188 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 2749 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:12:38,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 2749 Invalid, 28 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:12:38,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2024-11-23 23:12:39,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1209. [2024-11-23 23:12:39,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 868 states have (on average 1.3525345622119815) internal successors, (1174), 884 states have internal predecessors, (1174), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2024-11-23 23:12:39,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1709 transitions. [2024-11-23 23:12:39,194 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1709 transitions. Word has length 131 [2024-11-23 23:12:39,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:12:39,198 INFO L471 AbstractCegarLoop]: Abstraction has 1209 states and 1709 transitions. [2024-11-23 23:12:39,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:12:39,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1709 transitions. [2024-11-23 23:12:39,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-23 23:12:39,226 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:12:39,226 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:12:39,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:12:39,227 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:12:39,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:12:39,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1431735536, now seen corresponding path program 1 times [2024-11-23 23:12:39,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:12:39,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298249142] [2024-11-23 23:12:39,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:12:39,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:12:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:12:41,383 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-23 23:12:41,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:12:41,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298249142] [2024-11-23 23:12:41,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298249142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:12:41,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:12:41,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:12:41,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115667073] [2024-11-23 23:12:41,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:12:41,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:12:41,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:12:41,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:12:41,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:12:41,389 INFO L87 Difference]: Start difference. First operand 1209 states and 1709 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:12:41,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:12:41,604 INFO L93 Difference]: Finished difference Result 2414 states and 3425 transitions. [2024-11-23 23:12:41,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:12:41,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 176 [2024-11-23 23:12:41,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:12:41,626 INFO L225 Difference]: With dead ends: 2414 [2024-11-23 23:12:41,626 INFO L226 Difference]: Without dead ends: 1237 [2024-11-23 23:12:41,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:12:41,634 INFO L435 NwaCegarLoop]: 1185 mSDtfsCounter, 14 mSDsluCounter, 1181 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2366 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:12:41,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2366 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:12:41,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2024-11-23 23:12:41,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1211. [2024-11-23 23:12:41,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 870 states have (on average 1.3517241379310345) internal successors, (1176), 886 states have internal predecessors, (1176), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2024-11-23 23:12:41,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1711 transitions. [2024-11-23 23:12:41,748 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1711 transitions. Word has length 176 [2024-11-23 23:12:41,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:12:41,749 INFO L471 AbstractCegarLoop]: Abstraction has 1211 states and 1711 transitions. [2024-11-23 23:12:41,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:12:41,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1711 transitions. [2024-11-23 23:12:41,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-23 23:12:41,763 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:12:41,764 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:12:41,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:12:41,764 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:12:41,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:12:41,769 INFO L85 PathProgramCache]: Analyzing trace with hash -72935417, now seen corresponding path program 1 times [2024-11-23 23:12:41,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:12:41,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953995507] [2024-11-23 23:12:41,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:12:41,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:12:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:12:43,319 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-23 23:12:43,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:12:43,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953995507] [2024-11-23 23:12:43,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953995507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:12:43,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:12:43,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:12:43,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852454149] [2024-11-23 23:12:43,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:12:43,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:12:43,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:12:43,325 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:12:43,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:12:43,325 INFO L87 Difference]: Start difference. First operand 1211 states and 1711 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:12:43,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:12:43,470 INFO L93 Difference]: Finished difference Result 2404 states and 3407 transitions. [2024-11-23 23:12:43,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:12:43,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 182 [2024-11-23 23:12:43,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:12:43,489 INFO L225 Difference]: With dead ends: 2404 [2024-11-23 23:12:43,489 INFO L226 Difference]: Without dead ends: 1225 [2024-11-23 23:12:43,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:12:43,503 INFO L435 NwaCegarLoop]: 1189 mSDtfsCounter, 1 mSDsluCounter, 1186 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2375 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:12:43,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2375 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:12:43,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2024-11-23 23:12:43,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1225. [2024-11-23 23:12:43,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 884 states have (on average 1.3529411764705883) internal successors, (1196), 900 states have internal predecessors, (1196), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2024-11-23 23:12:43,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1731 transitions. [2024-11-23 23:12:43,617 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1731 transitions. Word has length 182 [2024-11-23 23:12:43,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:12:43,620 INFO L471 AbstractCegarLoop]: Abstraction has 1225 states and 1731 transitions. [2024-11-23 23:12:43,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:12:43,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1731 transitions. [2024-11-23 23:12:43,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-23 23:12:43,635 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:12:43,636 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:12:43,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:12:43,636 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:12:43,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:12:43,638 INFO L85 PathProgramCache]: Analyzing trace with hash 791629218, now seen corresponding path program 1 times [2024-11-23 23:12:43,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:12:43,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184247096] [2024-11-23 23:12:43,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:12:43,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:12:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:12:45,298 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-23 23:12:45,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:12:45,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184247096] [2024-11-23 23:12:45,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184247096] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:12:45,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523902569] [2024-11-23 23:12:45,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:12:45,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:12:45,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:12:45,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:12:45,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:12:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:12:47,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 4011 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:12:47,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:12:47,938 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-23 23:12:47,942 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:12:47,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523902569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:12:47,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:12:47,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-23 23:12:47,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313607770] [2024-11-23 23:12:47,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:12:47,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:12:47,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:12:47,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:12:47,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:12:47,945 INFO L87 Difference]: Start difference. First operand 1225 states and 1731 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 23:12:48,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:12:48,062 INFO L93 Difference]: Finished difference Result 2419 states and 3427 transitions. [2024-11-23 23:12:48,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:12:48,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 188 [2024-11-23 23:12:48,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:12:48,077 INFO L225 Difference]: With dead ends: 2419 [2024-11-23 23:12:48,077 INFO L226 Difference]: Without dead ends: 1226 [2024-11-23 23:12:48,083 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:12:48,086 INFO L435 NwaCegarLoop]: 1190 mSDtfsCounter, 0 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2374 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:12:48,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2374 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:12:48,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2024-11-23 23:12:48,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1226. [2024-11-23 23:12:48,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1226 states, 885 states have (on average 1.352542372881356) internal successors, (1197), 901 states have internal predecessors, (1197), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2024-11-23 23:12:48,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1732 transitions. [2024-11-23 23:12:48,171 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 1732 transitions. Word has length 188 [2024-11-23 23:12:48,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:12:48,172 INFO L471 AbstractCegarLoop]: Abstraction has 1226 states and 1732 transitions. [2024-11-23 23:12:48,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 23:12:48,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1732 transitions. [2024-11-23 23:12:48,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-23 23:12:48,184 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:12:48,184 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:12:48,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 23:12:48,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:12:48,385 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:12:48,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:12:48,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1626855260, now seen corresponding path program 1 times [2024-11-23 23:12:48,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:12:48,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492802702] [2024-11-23 23:12:48,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:12:48,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:12:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:12:50,194 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-23 23:12:50,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:12:50,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492802702] [2024-11-23 23:12:50,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492802702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:12:50,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779559773] [2024-11-23 23:12:50,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:12:50,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:12:50,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:12:50,197 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:12:50,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:12:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:12:52,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 4014 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:12:52,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:12:52,551 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-23 23:12:52,551 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:12:52,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779559773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:12:52,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:12:52,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-23 23:12:52,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543198431] [2024-11-23 23:12:52,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:12:52,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:12:52,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:12:52,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:12:52,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:12:52,554 INFO L87 Difference]: Start difference. First operand 1226 states and 1732 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 23:12:52,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:12:52,640 INFO L93 Difference]: Finished difference Result 2422 states and 3490 transitions. [2024-11-23 23:12:52,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:12:52,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 188 [2024-11-23 23:12:52,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:12:52,652 INFO L225 Difference]: With dead ends: 2422 [2024-11-23 23:12:52,652 INFO L226 Difference]: Without dead ends: 1228 [2024-11-23 23:12:52,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:12:52,660 INFO L435 NwaCegarLoop]: 1190 mSDtfsCounter, 0 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2375 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:12:52,661 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2375 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:12:52,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2024-11-23 23:12:52,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1228. [2024-11-23 23:12:52,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1228 states, 887 states have (on average 1.3517474633596391) internal successors, (1199), 903 states have internal predecessors, (1199), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2024-11-23 23:12:52,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 1734 transitions. [2024-11-23 23:12:52,721 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 1734 transitions. Word has length 188 [2024-11-23 23:12:52,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:12:52,722 INFO L471 AbstractCegarLoop]: Abstraction has 1228 states and 1734 transitions. [2024-11-23 23:12:52,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 23:12:52,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1734 transitions. [2024-11-23 23:12:52,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-23 23:12:52,730 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:12:52,730 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:12:52,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:12:52,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:12:52,931 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:12:52,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:12:52,932 INFO L85 PathProgramCache]: Analyzing trace with hash 763792602, now seen corresponding path program 1 times [2024-11-23 23:12:52,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:12:52,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872121370] [2024-11-23 23:12:52,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:12:52,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:12:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:12:54,039 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-23 23:12:54,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:12:54,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872121370] [2024-11-23 23:12:54,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872121370] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:12:54,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643682802] [2024-11-23 23:12:54,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:12:54,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:12:54,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:12:54,044 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:12:54,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:12:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:12:56,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 4019 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:12:56,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:12:56,221 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-23 23:12:56,222 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:12:56,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643682802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:12:56,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:12:56,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-23 23:12:56,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853325129] [2024-11-23 23:12:56,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:12:56,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:12:56,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:12:56,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:12:56,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:12:56,224 INFO L87 Difference]: Start difference. First operand 1228 states and 1734 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 23:12:56,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:12:56,318 INFO L93 Difference]: Finished difference Result 1232 states and 1738 transitions. [2024-11-23 23:12:56,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:12:56,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 189 [2024-11-23 23:12:56,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:12:56,332 INFO L225 Difference]: With dead ends: 1232 [2024-11-23 23:12:56,333 INFO L226 Difference]: Without dead ends: 1229 [2024-11-23 23:12:56,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:12:56,335 INFO L435 NwaCegarLoop]: 1190 mSDtfsCounter, 0 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2374 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:12:56,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2374 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:12:56,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2024-11-23 23:12:56,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1229. [2024-11-23 23:12:56,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 888 states have (on average 1.3513513513513513) internal successors, (1200), 904 states have internal predecessors, (1200), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2024-11-23 23:12:56,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1735 transitions. [2024-11-23 23:12:56,407 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1735 transitions. Word has length 189 [2024-11-23 23:12:56,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:12:56,408 INFO L471 AbstractCegarLoop]: Abstraction has 1229 states and 1735 transitions. [2024-11-23 23:12:56,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 23:12:56,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1735 transitions. [2024-11-23 23:12:56,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-23 23:12:56,418 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:12:56,418 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:12:56,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:12:56,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:12:56,619 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:12:56,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:12:56,620 INFO L85 PathProgramCache]: Analyzing trace with hash -413657618, now seen corresponding path program 1 times [2024-11-23 23:12:56,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:12:56,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928409172] [2024-11-23 23:12:56,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:12:56,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:12:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:12:57,926 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-23 23:12:57,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:12:57,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928409172] [2024-11-23 23:12:57,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928409172] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:12:57,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686796187] [2024-11-23 23:12:57,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:12:57,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:12:57,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:12:57,930 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:12:57,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:13:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:00,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 4024 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:13:00,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:13:00,147 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-23 23:13:00,148 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:13:00,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686796187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:13:00,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:13:00,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-23 23:13:00,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055495657] [2024-11-23 23:13:00,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:13:00,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:13:00,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:13:00,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:13:00,149 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:13:00,150 INFO L87 Difference]: Start difference. First operand 1229 states and 1735 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 23:13:00,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:13:00,336 INFO L93 Difference]: Finished difference Result 2446 states and 3464 transitions. [2024-11-23 23:13:00,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:13:00,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2024-11-23 23:13:00,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:13:00,350 INFO L225 Difference]: With dead ends: 2446 [2024-11-23 23:13:00,350 INFO L226 Difference]: Without dead ends: 1249 [2024-11-23 23:13:00,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:13:00,357 INFO L435 NwaCegarLoop]: 1176 mSDtfsCounter, 21 mSDsluCounter, 1168 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2344 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:13:00,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 2344 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:13:00,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2024-11-23 23:13:00,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1231. [2024-11-23 23:13:00,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 890 states have (on average 1.350561797752809) internal successors, (1202), 906 states have internal predecessors, (1202), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2024-11-23 23:13:00,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1737 transitions. [2024-11-23 23:13:00,415 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1737 transitions. Word has length 191 [2024-11-23 23:13:00,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:13:00,415 INFO L471 AbstractCegarLoop]: Abstraction has 1231 states and 1737 transitions. [2024-11-23 23:13:00,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 23:13:00,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1737 transitions. [2024-11-23 23:13:00,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-23 23:13:00,423 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:13:00,424 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:13:00,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 23:13:00,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:13:00,625 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:13:00,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:13:00,625 INFO L85 PathProgramCache]: Analyzing trace with hash -356347485, now seen corresponding path program 1 times [2024-11-23 23:13:00,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:13:00,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774025540] [2024-11-23 23:13:00,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:00,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:13:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:01,666 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-23 23:13:01,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:13:01,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774025540] [2024-11-23 23:13:01,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774025540] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:13:01,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315729709] [2024-11-23 23:13:01,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:01,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:13:01,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:13:01,669 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:13:01,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 23:13:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:03,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 4031 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:13:03,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:13:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-23 23:13:03,598 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:13:03,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315729709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:13:03,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:13:03,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-23 23:13:03,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344128233] [2024-11-23 23:13:03,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:13:03,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:13:03,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:13:03,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:13:03,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:13:03,600 INFO L87 Difference]: Start difference. First operand 1231 states and 1737 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-23 23:13:03,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:13:03,668 INFO L93 Difference]: Finished difference Result 2478 states and 3515 transitions. [2024-11-23 23:13:03,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:13:03,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 195 [2024-11-23 23:13:03,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:13:03,678 INFO L225 Difference]: With dead ends: 2478 [2024-11-23 23:13:03,678 INFO L226 Difference]: Without dead ends: 1279 [2024-11-23 23:13:03,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:13:03,684 INFO L435 NwaCegarLoop]: 1195 mSDtfsCounter, 13 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2379 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:13:03,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2379 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:13:03,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2024-11-23 23:13:03,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1279. [2024-11-23 23:13:03,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1279 states, 926 states have (on average 1.3542116630669547) internal successors, (1254), 942 states have internal predecessors, (1254), 280 states have call successors, (280), 73 states have call predecessors, (280), 72 states have return successors, (279), 279 states have call predecessors, (279), 279 states have call successors, (279) [2024-11-23 23:13:03,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1813 transitions. [2024-11-23 23:13:03,739 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1813 transitions. Word has length 195 [2024-11-23 23:13:03,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:13:03,741 INFO L471 AbstractCegarLoop]: Abstraction has 1279 states and 1813 transitions. [2024-11-23 23:13:03,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-23 23:13:03,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1813 transitions. [2024-11-23 23:13:03,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-23 23:13:03,749 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:13:03,749 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:13:03,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-23 23:13:03,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-23 23:13:03,950 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:13:03,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:13:03,951 INFO L85 PathProgramCache]: Analyzing trace with hash 162325341, now seen corresponding path program 1 times [2024-11-23 23:13:03,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:13:03,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079759470] [2024-11-23 23:13:03,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:03,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:13:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:05,176 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-23 23:13:05,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:13:05,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079759470] [2024-11-23 23:13:05,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079759470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:13:05,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127127151] [2024-11-23 23:13:05,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:05,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:13:05,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:13:05,179 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:13:05,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 23:13:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:07,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 4049 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:13:07,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:13:07,162 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-23 23:13:07,162 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:13:07,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127127151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:13:07,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:13:07,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-23 23:13:07,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540407950] [2024-11-23 23:13:07,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:13:07,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:13:07,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:13:07,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:13:07,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:13:07,165 INFO L87 Difference]: Start difference. First operand 1279 states and 1813 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-23 23:13:07,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:13:07,236 INFO L93 Difference]: Finished difference Result 2530 states and 3620 transitions. [2024-11-23 23:13:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:13:07,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 200 [2024-11-23 23:13:07,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:13:07,247 INFO L225 Difference]: With dead ends: 2530 [2024-11-23 23:13:07,247 INFO L226 Difference]: Without dead ends: 1283 [2024-11-23 23:13:07,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:13:07,255 INFO L435 NwaCegarLoop]: 1189 mSDtfsCounter, 1 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2371 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:13:07,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2371 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:13:07,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2024-11-23 23:13:07,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1281. [2024-11-23 23:13:07,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 928 states have (on average 1.353448275862069) internal successors, (1256), 944 states have internal predecessors, (1256), 280 states have call successors, (280), 73 states have call predecessors, (280), 72 states have return successors, (279), 279 states have call predecessors, (279), 279 states have call successors, (279) [2024-11-23 23:13:07,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1815 transitions. [2024-11-23 23:13:07,309 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1815 transitions. Word has length 200 [2024-11-23 23:13:07,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:13:07,309 INFO L471 AbstractCegarLoop]: Abstraction has 1281 states and 1815 transitions. [2024-11-23 23:13:07,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-23 23:13:07,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1815 transitions. [2024-11-23 23:13:07,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-11-23 23:13:07,318 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:13:07,318 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:13:07,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-23 23:13:07,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:13:07,519 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:13:07,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:13:07,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1970794731, now seen corresponding path program 1 times [2024-11-23 23:13:07,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:13:07,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143718559] [2024-11-23 23:13:07,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:07,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:13:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-23 23:13:08,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:13:08,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143718559] [2024-11-23 23:13:08,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143718559] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:13:08,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044588802] [2024-11-23 23:13:08,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:08,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:13:08,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:13:08,706 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:13:08,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 23:13:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:10,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 4481 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:13:10,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:13:11,854 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-23 23:13:11,854 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:13:11,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044588802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:13:11,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:13:11,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-23 23:13:11,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630492238] [2024-11-23 23:13:11,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:13:11,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:13:11,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:13:11,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:13:11,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:13:11,857 INFO L87 Difference]: Start difference. First operand 1281 states and 1815 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-23 23:13:11,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:13:11,955 INFO L93 Difference]: Finished difference Result 2522 states and 3583 transitions. [2024-11-23 23:13:11,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:13:11,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 259 [2024-11-23 23:13:11,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:13:11,960 INFO L225 Difference]: With dead ends: 2522 [2024-11-23 23:13:11,960 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:13:11,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:13:11,969 INFO L435 NwaCegarLoop]: 1178 mSDtfsCounter, 998 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 998 SdHoareTripleChecker+Valid, 2355 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:13:11,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [998 Valid, 2355 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:13:11,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:13:11,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:13:11,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:13:11,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:13:11,973 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 259 [2024-11-23 23:13:11,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:13:11,973 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:13:11,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-23 23:13:11,973 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:13:11,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:13:11,976 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:13:11,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-23 23:13:12,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:13:12,180 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:13:12,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:13:16,270 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:13:16,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:13:16 BoogieIcfgContainer [2024-11-23 23:13:16,296 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:13:16,297 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:13:16,297 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:13:16,297 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:13:16,298 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:12:35" (3/4) ... [2024-11-23 23:13:16,300 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:13:16,312 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2024-11-23 23:13:16,313 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2024-11-23 23:13:16,313 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_identify [2024-11-23 23:13:16,313 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2024-11-23 23:13:16,313 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2024-11-23 23:13:16,313 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_inc [2024-11-23 23:13:16,313 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2024-11-23 23:13:16,313 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2024-11-23 23:13:16,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-23 23:13:16,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2024-11-23 23:13:16,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_command [2024-11-23 23:13:16,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2024-11-23 23:13:16,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-11-23 23:13:16,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2024-11-23 23:13:16,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_wait [2024-11-23 23:13:16,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_write [2024-11-23 23:13:16,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-23 23:13:16,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-23 23:13:16,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2024-11-23 23:13:16,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_to_user [2024-11-23 23:13:16,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-11-23 23:13:16,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_completion [2024-11-23 23:13:16,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure device_destroy [2024-11-23 23:13:16,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_block [2024-11-23 23:13:16,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-23 23:13:16,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock_nested [2024-11-23 23:13:16,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2024-11-23 23:13:16,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_sleep [2024-11-23 23:13:16,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_probe [2024-11-23 23:13:16,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_media_access_cmd [2024-11-23 23:13:16,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_write_fm [2024-11-23 23:13:16,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-23 23:13:16,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_20 [2024-11-23 23:13:16,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_rewind [2024-11-23 23:13:16,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-23 23:13:16,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iminor [2024-11-23 23:13:16,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_atapi [2024-11-23 23:13:16,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_poll_dsc [2024-11-23 23:13:16,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure device_create [2024-11-23 23:13:16,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xn [2024-11-23 23:13:16,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-11-23 23:13:16,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2024-11-23 23:13:16,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_req_sense [2024-11-23 23:13:16,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2024-11-23 23:13:16,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_reset [2024-11-23 23:13:16,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2024-11-23 23:13:16,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-11-23 23:13:16,402 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 334 nodes and edges [2024-11-23 23:13:16,407 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2024-11-23 23:13:16,411 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-11-23 23:13:16,415 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-23 23:13:16,418 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-23 23:13:16,426 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 23:13:16,434 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:13:16,436 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:13:16,919 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:13:16,920 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:13:16,920 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:13:16,921 INFO L158 Benchmark]: Toolchain (without parser) took 62072.18ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 86.5MB in the beginning and 204.5MB in the end (delta: -118.0MB). Peak memory consumption was 233.4MB. Max. memory is 16.1GB. [2024-11-23 23:13:16,922 INFO L158 Benchmark]: CDTParser took 1.90ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:13:16,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1959.74ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 86.1MB in the beginning and 280.1MB in the end (delta: -194.0MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2024-11-23 23:13:16,922 INFO L158 Benchmark]: Boogie Procedure Inliner took 285.04ms. Allocated memory is still 352.3MB. Free memory was 280.1MB in the beginning and 264.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:13:16,923 INFO L158 Benchmark]: Boogie Preprocessor took 473.31ms. Allocated memory is still 352.3MB. Free memory was 264.4MB in the beginning and 234.8MB in the end (delta: 29.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-23 23:13:16,923 INFO L158 Benchmark]: RCFGBuilder took 17528.69ms. Allocated memory is still 352.3MB. Free memory was 234.2MB in the beginning and 215.8MB in the end (delta: 18.3MB). Peak memory consumption was 137.4MB. Max. memory is 16.1GB. [2024-11-23 23:13:16,924 INFO L158 Benchmark]: TraceAbstraction took 41190.18ms. Allocated memory was 352.3MB in the beginning and 1.3GB in the end (delta: 939.5MB). Free memory was 213.2MB in the beginning and 1.0GB in the end (delta: -811.6MB). Peak memory consumption was 708.6MB. Max. memory is 16.1GB. [2024-11-23 23:13:16,924 INFO L158 Benchmark]: Witness Printer took 622.73ms. Allocated memory was 1.3GB in the beginning and 335.5MB in the end (delta: -956.3MB). Free memory was 1.0GB in the beginning and 204.5MB in the end (delta: 820.2MB). Peak memory consumption was 628.8kB. Max. memory is 16.1GB. [2024-11-23 23:13:16,927 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.90ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1959.74ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 86.1MB in the beginning and 280.1MB in the end (delta: -194.0MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 285.04ms. Allocated memory is still 352.3MB. Free memory was 280.1MB in the beginning and 264.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 473.31ms. Allocated memory is still 352.3MB. Free memory was 264.4MB in the beginning and 234.8MB in the end (delta: 29.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * RCFGBuilder took 17528.69ms. Allocated memory is still 352.3MB. Free memory was 234.2MB in the beginning and 215.8MB in the end (delta: 18.3MB). Peak memory consumption was 137.4MB. Max. memory is 16.1GB. * TraceAbstraction took 41190.18ms. Allocated memory was 352.3MB in the beginning and 1.3GB in the end (delta: 939.5MB). Free memory was 213.2MB in the beginning and 1.0GB in the end (delta: -811.6MB). Peak memory consumption was 708.6MB. Max. memory is 16.1GB. * Witness Printer took 622.73ms. Allocated memory was 1.3GB in the beginning and 335.5MB in the end (delta: -956.3MB). Free memory was 1.0GB in the beginning and 204.5MB in the end (delta: 820.2MB). Peak memory consumption was 628.8kB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3171]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3171] - GenericResultAtLocation [Line: 3179]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [3179-3180] * 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 - PositiveResult [Line: 3271]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 883 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 37.0s, OverallIterations: 10, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1644 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1632 mSDsluCounter, 24062 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11819 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 12243 mSDtfsCounter, 122 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1441 GetRequests, 1415 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1281occurred in iteration=9, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 48 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 4.9s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 3309 NumberOfCodeBlocks, 3309 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3292 ConstructedInterpolants, 0 QuantifiedInterpolants, 3951 SizeOfPredicates, 1 NumberOfNonLiveVariables, 28629 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 17 InterpolantComputations, 10 PerfectInterpolantSequences, 1249/1256 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4426]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4058]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4301]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4673]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4461]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4591]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4112]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 4515]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 3641]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4461]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4301]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4214]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3467]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3679]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4351]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 3784]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3467]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3825]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3602]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 3784]: Location Invariant Derived location invariant: (ldv_spin == 0) RESULT: Ultimate proved your program to be correct! [2024-11-23 23:13:16,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99c9281c-3910-493e-a55d-0bb5221f0b55/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: TRUE