./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.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_97b16f85-7533-450d-aa2d-4717dba76624/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/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_97b16f85-7533-450d-aa2d-4717dba76624/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/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_97b16f85-7533-450d-aa2d-4717dba76624/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 938b60b21c972fc7f556d0694990fba352b46bfd03cbdeaa77f40e339f6c8deb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:32:18,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:32:18,568 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 00:32:18,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:32:18,577 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:32:18,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:32:18,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:32:18,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:32:18,613 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:32:18,613 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:32:18,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:32:18,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:32:18,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:32:18,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:32:18,614 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:32:18,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:32:18,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:32:18,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:32:18,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:32:18,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:32:18,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:32:18,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:32:18,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:32:18,617 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:32:18,617 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:32:18,617 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:32:18,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:32:18,618 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:32:18,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:32:18,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:32:18,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:32:18,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:32:18,618 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:32:18,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:32:18,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:32:18,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:32:18,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:32:18,619 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:32:18,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:32:18,619 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:32:18,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:32:18,619 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:32:18,619 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:32:18,619 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:32:18,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:32:18,619 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_97b16f85-7533-450d-aa2d-4717dba76624/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 -> 938b60b21c972fc7f556d0694990fba352b46bfd03cbdeaa77f40e339f6c8deb [2024-11-24 00:32:18,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:32:18,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:32:18,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:32:18,940 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:32:18,940 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:32:18,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2024-11-24 00:32:21,979 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/bin/uautomizer-verify-LYvppIcaGC/data/f7aab3684/85f4ffd188b8449c97772d00c753748d/FLAGaa065964a [2024-11-24 00:32:22,659 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:32:22,661 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2024-11-24 00:32:22,709 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/bin/uautomizer-verify-LYvppIcaGC/data/f7aab3684/85f4ffd188b8449c97772d00c753748d/FLAGaa065964a [2024-11-24 00:32:22,733 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/bin/uautomizer-verify-LYvppIcaGC/data/f7aab3684/85f4ffd188b8449c97772d00c753748d [2024-11-24 00:32:22,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:32:22,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:32:22,739 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:32:22,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:32:22,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:32:22,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:32:22" (1/1) ... [2024-11-24 00:32:22,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eb7214e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:22, skipping insertion in model container [2024-11-24 00:32:22,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:32:22" (1/1) ... [2024-11-24 00:32:22,852 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:32:23,675 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_97b16f85-7533-450d-aa2d-4717dba76624/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i[161908,161921] [2024-11-24 00:32:24,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:32:24,153 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:32:24,325 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"); [5496-5497] [2024-11-24 00:32:24,328 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [5508-5509] [2024-11-24 00:32:24,328 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5512-5513] [2024-11-24 00:32:24,329 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5516-5517] [2024-11-24 00:32:24,329 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5520-5521] [2024-11-24 00:32:24,336 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_97b16f85-7533-450d-aa2d-4717dba76624/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i[161908,161921] [2024-11-24 00:32:24,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:32:24,542 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:32:24,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:24 WrapperNode [2024-11-24 00:32:24,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:32:24,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:32:24,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:32:24,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:32:24,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:24" (1/1) ... [2024-11-24 00:32:24,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:24" (1/1) ... [2024-11-24 00:32:24,705 INFO L138 Inliner]: procedures = 138, calls = 566, calls flagged for inlining = 62, calls inlined = 62, statements flattened = 1911 [2024-11-24 00:32:24,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:32:24,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:32:24,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:32:24,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:32:24,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:24" (1/1) ... [2024-11-24 00:32:24,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:24" (1/1) ... [2024-11-24 00:32:24,727 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:24" (1/1) ... [2024-11-24 00:32:24,972 INFO L175 MemorySlicer]: Split 326 memory accesses to 17 slices as follows [2, 124, 8, 3, 3, 2, 14, 3, 19, 5, 19, 8, 2, 10, 44, 53, 7]. 38 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 199 writes are split as follows [0, 33, 4, 1, 1, 1, 12, 1, 19, 4, 19, 0, 1, 0, 44, 53, 6]. [2024-11-24 00:32:24,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:24" (1/1) ... [2024-11-24 00:32:24,973 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:24" (1/1) ... [2024-11-24 00:32:25,062 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:24" (1/1) ... [2024-11-24 00:32:25,069 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:24" (1/1) ... [2024-11-24 00:32:25,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:24" (1/1) ... [2024-11-24 00:32:25,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:24" (1/1) ... [2024-11-24 00:32:25,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:24" (1/1) ... [2024-11-24 00:32:25,151 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:32:25,152 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:32:25,152 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:32:25,152 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:32:25,153 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:24" (1/1) ... [2024-11-24 00:32:25,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:32:25,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:32:25,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:32:25,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:32:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2024-11-24 00:32:25,217 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2024-11-24 00:32:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 00:32:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 00:32:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 00:32:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 00:32:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 00:32:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 00:32:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 00:32:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 00:32:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 00:32:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 00:32:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 00:32:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 00:32:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 00:32:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 00:32:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 00:32:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 00:32:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-24 00:32:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 00:32:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 00:32:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 00:32:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 00:32:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 00:32:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 00:32:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 00:32:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 00:32:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 00:32:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-24 00:32:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-24 00:32:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-24 00:32:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-24 00:32:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-24 00:32:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-24 00:32:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-24 00:32:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-24 00:32:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 00:32:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 00:32:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 00:32:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 00:32:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 00:32:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 00:32:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 00:32:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 00:32:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 00:32:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 00:32:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 00:32:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 00:32:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 00:32:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 00:32:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 00:32:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 00:32:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-24 00:32:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 00:32:25,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 00:32:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:32:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:32:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 00:32:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 00:32:25,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 00:32:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 00:32:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 00:32:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 00:32:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 00:32:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 00:32:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 00:32:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 00:32:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 00:32:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 00:32:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 00:32:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 00:32:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-24 00:32:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2024-11-24 00:32:25,269 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2024-11-24 00:32:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2024-11-24 00:32:25,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2024-11-24 00:32:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-24 00:32:25,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-24 00:32:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-24 00:32:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-24 00:32:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-24 00:32:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-24 00:32:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-24 00:32:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-24 00:32:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-24 00:32:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-24 00:32:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-24 00:32:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-24 00:32:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-24 00:32:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-24 00:32:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-24 00:32:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-24 00:32:25,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-24 00:32:25,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-24 00:32:25,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-24 00:32:25,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-24 00:32:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-24 00:32:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-24 00:32:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-24 00:32:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-24 00:32:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-24 00:32:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-24 00:32:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-24 00:32:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-24 00:32:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-24 00:32:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-24 00:32:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-24 00:32:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-24 00:32:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-24 00:32:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-24 00:32:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 00:32:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 00:32:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2024-11-24 00:32:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2024-11-24 00:32:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:32:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:32:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 00:32:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 00:32:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 00:32:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 00:32:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 00:32:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 00:32:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 00:32:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 00:32:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 00:32:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 00:32:25,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 00:32:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 00:32:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 00:32:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 00:32:25,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-24 00:32:25,277 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_suspend [2024-11-24 00:32:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_suspend [2024-11-24 00:32:25,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-24 00:32:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-24 00:32:25,277 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_resume [2024-11-24 00:32:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_resume [2024-11-24 00:32:25,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 00:32:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 00:32:25,277 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-24 00:32:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-24 00:32:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-24 00:32:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-24 00:32:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-24 00:32:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-24 00:32:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-24 00:32:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-24 00:32:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-24 00:32:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-24 00:32:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-24 00:32:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-24 00:32:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-24 00:32:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-24 00:32:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-24 00:32:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-24 00:32:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-24 00:32:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-24 00:32:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-24 00:32:25,278 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-24 00:32:25,278 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-24 00:32:25,278 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-24 00:32:25,278 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-24 00:32:25,278 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-24 00:32:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-24 00:32:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-24 00:32:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-24 00:32:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-24 00:32:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-24 00:32:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-24 00:32:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-24 00:32:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-24 00:32:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-24 00:32:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-24 00:32:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-24 00:32:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-24 00:32:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:32:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:32:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_tx_fixup [2024-11-24 00:32:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_tx_fixup [2024-11-24 00:32:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 00:32:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-11-24 00:32:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-11-24 00:32:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_4 [2024-11-24 00:32:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_4 [2024-11-24 00:32:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:32:25,280 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-11-24 00:32:25,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-11-24 00:32:25,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-24 00:32:25,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-24 00:32:25,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 00:32:25,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 00:32:25,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 00:32:25,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 00:32:25,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 00:32:25,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 00:32:25,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 00:32:25,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 00:32:25,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 00:32:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 00:32:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 00:32:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_bind [2024-11-24 00:32:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_bind [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_manage_power [2024-11-24 00:32:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_manage_power [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-24 00:32:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 00:32:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-24 00:32:25,286 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_rx_fixup [2024-11-24 00:32:25,286 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_rx_fixup [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-24 00:32:25,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_unbind [2024-11-24 00:32:25,286 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_unbind [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_unbind [2024-11-24 00:32:25,286 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_unbind [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 00:32:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 00:32:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 00:32:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 00:32:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 00:32:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 00:32:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 00:32:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 00:32:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 00:32:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 00:32:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-24 00:32:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2024-11-24 00:32:25,287 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2024-11-24 00:32:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 00:32:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 00:32:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 00:32:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 00:32:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 00:32:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 00:32:25,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 00:32:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 00:32:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 00:32:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-24 00:32:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-24 00:32:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-24 00:32:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-24 00:32:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-24 00:32:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-24 00:32:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-24 00:32:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-24 00:32:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-24 00:32:25,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-24 00:32:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:32:25,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:32:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2024-11-24 00:32:25,290 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2024-11-24 00:32:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-24 00:32:25,290 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-24 00:32:25,942 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:32:25,947 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:32:26,663 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 00:32:27,005 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-11-24 00:32:33,835 INFO L? ?]: Removed 1202 outVars from TransFormulas that were not future-live. [2024-11-24 00:32:33,835 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:32:33,859 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:32:33,859 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 00:32:33,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:32:33 BoogieIcfgContainer [2024-11-24 00:32:33,860 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:32:33,863 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:32:33,863 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:32:33,868 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:32:33,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:32:22" (1/3) ... [2024-11-24 00:32:33,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a52a1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:32:33, skipping insertion in model container [2024-11-24 00:32:33,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:32:24" (2/3) ... [2024-11-24 00:32:33,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a52a1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:32:33, skipping insertion in model container [2024-11-24 00:32:33,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:32:33" (3/3) ... [2024-11-24 00:32:33,871 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2024-11-24 00:32:33,886 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:32:33,889 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i that has 65 procedures, 733 locations, 1 initial locations, 53 loop locations, and 1 error locations. [2024-11-24 00:32:33,966 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:32:33,979 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;@20e55405, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:32:33,980 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:32:33,985 INFO L276 IsEmpty]: Start isEmpty. Operand has 599 states, 468 states have (on average 1.4166666666666667) internal successors, (663), 482 states have internal predecessors, (663), 96 states have call successors, (96), 35 states have call predecessors, (96), 33 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-24 00:32:33,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 00:32:33,996 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:32:33,996 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:32:33,997 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:32:34,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:32:34,002 INFO L85 PathProgramCache]: Analyzing trace with hash 210198601, now seen corresponding path program 1 times [2024-11-24 00:32:34,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:32:34,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892672878] [2024-11-24 00:32:34,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:34,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:32:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:32:37,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:32:37,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:32:37,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892672878] [2024-11-24 00:32:37,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892672878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:32:37,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:32:37,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:32:37,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208551725] [2024-11-24 00:32:37,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:32:37,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:32:37,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:32:37,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:32:37,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:37,751 INFO L87 Difference]: Start difference. First operand has 599 states, 468 states have (on average 1.4166666666666667) internal successors, (663), 482 states have internal predecessors, (663), 96 states have call successors, (96), 35 states have call predecessors, (96), 33 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-24 00:32:41,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:32:42,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:32:42,172 INFO L93 Difference]: Finished difference Result 1728 states and 2514 transitions. [2024-11-24 00:32:42,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:32:42,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2024-11-24 00:32:42,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:32:42,209 INFO L225 Difference]: With dead ends: 1728 [2024-11-24 00:32:42,210 INFO L226 Difference]: Without dead ends: 1112 [2024-11-24 00:32:42,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:42,222 INFO L435 NwaCegarLoop]: 858 mSDtfsCounter, 758 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 1676 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:32:42,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [758 Valid, 1676 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-24 00:32:42,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2024-11-24 00:32:42,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1109. [2024-11-24 00:32:42,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1109 states, 884 states have (on average 1.4015837104072397) internal successors, (1239), 891 states have internal predecessors, (1239), 163 states have call successors, (163), 62 states have call predecessors, (163), 61 states have return successors, (157), 157 states have call predecessors, (157), 157 states have call successors, (157) [2024-11-24 00:32:42,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 1559 transitions. [2024-11-24 00:32:42,383 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 1559 transitions. Word has length 40 [2024-11-24 00:32:42,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:32:42,383 INFO L471 AbstractCegarLoop]: Abstraction has 1109 states and 1559 transitions. [2024-11-24 00:32:42,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-24 00:32:42,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1559 transitions. [2024-11-24 00:32:42,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-24 00:32:42,394 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:32:42,394 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 00:32:42,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:32:42,395 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:32:42,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:32:42,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1803496834, now seen corresponding path program 1 times [2024-11-24 00:32:42,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:32:42,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73533123] [2024-11-24 00:32:42,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:42,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:32:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:32:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 00:32:45,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:32:45,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73533123] [2024-11-24 00:32:45,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73533123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:32:45,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:32:45,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:32:45,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882759806] [2024-11-24 00:32:45,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:32:45,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:32:45,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:32:45,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:32:45,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:45,378 INFO L87 Difference]: Start difference. First operand 1109 states and 1559 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 00:32:45,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:32:45,466 INFO L93 Difference]: Finished difference Result 1111 states and 1560 transitions. [2024-11-24 00:32:45,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:32:45,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2024-11-24 00:32:45,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:32:45,479 INFO L225 Difference]: With dead ends: 1111 [2024-11-24 00:32:45,480 INFO L226 Difference]: Without dead ends: 1108 [2024-11-24 00:32:45,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:45,482 INFO L435 NwaCegarLoop]: 816 mSDtfsCounter, 790 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:32:45,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [790 Valid, 816 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:32:45,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2024-11-24 00:32:45,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1108. [2024-11-24 00:32:45,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 884 states have (on average 1.4004524886877827) internal successors, (1238), 890 states have internal predecessors, (1238), 162 states have call successors, (162), 62 states have call predecessors, (162), 61 states have return successors, (157), 157 states have call predecessors, (157), 157 states have call successors, (157) [2024-11-24 00:32:45,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1557 transitions. [2024-11-24 00:32:45,574 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1557 transitions. Word has length 50 [2024-11-24 00:32:45,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:32:45,575 INFO L471 AbstractCegarLoop]: Abstraction has 1108 states and 1557 transitions. [2024-11-24 00:32:45,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 00:32:45,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1557 transitions. [2024-11-24 00:32:45,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-24 00:32:45,581 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:32:45,581 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 00:32:45,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:32:45,582 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:32:45,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:32:45,582 INFO L85 PathProgramCache]: Analyzing trace with hash -74036439, now seen corresponding path program 1 times [2024-11-24 00:32:45,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:32:45,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365484768] [2024-11-24 00:32:45,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:45,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:32:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:32:47,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 00:32:47,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:32:47,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365484768] [2024-11-24 00:32:47,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365484768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:32:47,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:32:47,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:32:47,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178930263] [2024-11-24 00:32:47,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:32:47,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:32:47,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:32:47,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:32:47,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:47,954 INFO L87 Difference]: Start difference. First operand 1108 states and 1557 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 00:32:48,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:32:48,024 INFO L93 Difference]: Finished difference Result 1110 states and 1558 transitions. [2024-11-24 00:32:48,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:32:48,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 51 [2024-11-24 00:32:48,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:32:48,034 INFO L225 Difference]: With dead ends: 1110 [2024-11-24 00:32:48,035 INFO L226 Difference]: Without dead ends: 1107 [2024-11-24 00:32:48,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:48,037 INFO L435 NwaCegarLoop]: 814 mSDtfsCounter, 787 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:32:48,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 814 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:32:48,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2024-11-24 00:32:48,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 1107. [2024-11-24 00:32:48,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1107 states, 884 states have (on average 1.3993212669683257) internal successors, (1237), 889 states have internal predecessors, (1237), 161 states have call successors, (161), 62 states have call predecessors, (161), 61 states have return successors, (157), 157 states have call predecessors, (157), 157 states have call successors, (157) [2024-11-24 00:32:48,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1555 transitions. [2024-11-24 00:32:48,125 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1555 transitions. Word has length 51 [2024-11-24 00:32:48,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:32:48,127 INFO L471 AbstractCegarLoop]: Abstraction has 1107 states and 1555 transitions. [2024-11-24 00:32:48,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 00:32:48,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1555 transitions. [2024-11-24 00:32:48,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-24 00:32:48,133 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:32:48,133 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 00:32:48,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:32:48,134 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:32:48,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:32:48,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1999633121, now seen corresponding path program 1 times [2024-11-24 00:32:48,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:32:48,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132970455] [2024-11-24 00:32:48,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:48,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:32:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:32:49,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 00:32:49,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:32:49,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132970455] [2024-11-24 00:32:49,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132970455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:32:49,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:32:49,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:32:49,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973820576] [2024-11-24 00:32:49,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:32:49,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:32:49,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:32:49,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:32:49,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:49,798 INFO L87 Difference]: Start difference. First operand 1107 states and 1555 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 00:32:49,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:32:49,855 INFO L93 Difference]: Finished difference Result 1109 states and 1556 transitions. [2024-11-24 00:32:49,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:32:49,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 52 [2024-11-24 00:32:49,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:32:49,863 INFO L225 Difference]: With dead ends: 1109 [2024-11-24 00:32:49,863 INFO L226 Difference]: Without dead ends: 1106 [2024-11-24 00:32:49,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:49,865 INFO L435 NwaCegarLoop]: 812 mSDtfsCounter, 784 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:32:49,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 812 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:32:49,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2024-11-24 00:32:49,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1106. [2024-11-24 00:32:49,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 884 states have (on average 1.3981900452488687) internal successors, (1236), 888 states have internal predecessors, (1236), 160 states have call successors, (160), 62 states have call predecessors, (160), 61 states have return successors, (157), 157 states have call predecessors, (157), 157 states have call successors, (157) [2024-11-24 00:32:49,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1553 transitions. [2024-11-24 00:32:49,930 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1553 transitions. Word has length 52 [2024-11-24 00:32:49,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:32:49,930 INFO L471 AbstractCegarLoop]: Abstraction has 1106 states and 1553 transitions. [2024-11-24 00:32:49,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 00:32:49,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1553 transitions. [2024-11-24 00:32:49,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-24 00:32:49,934 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:32:49,934 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 00:32:49,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:32:49,934 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:32:49,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:32:49,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1858884908, now seen corresponding path program 1 times [2024-11-24 00:32:49,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:32:49,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189065198] [2024-11-24 00:32:49,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:49,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:32:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:32:51,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 00:32:51,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:32:51,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189065198] [2024-11-24 00:32:51,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189065198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:32:51,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:32:51,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:32:51,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244362277] [2024-11-24 00:32:51,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:32:51,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:32:51,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:32:51,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:32:51,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:51,509 INFO L87 Difference]: Start difference. First operand 1106 states and 1553 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 00:32:51,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:32:51,712 INFO L93 Difference]: Finished difference Result 3263 states and 4612 transitions. [2024-11-24 00:32:51,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:32:51,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 53 [2024-11-24 00:32:51,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:32:51,729 INFO L225 Difference]: With dead ends: 3263 [2024-11-24 00:32:51,730 INFO L226 Difference]: Without dead ends: 2180 [2024-11-24 00:32:51,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:51,737 INFO L435 NwaCegarLoop]: 842 mSDtfsCounter, 776 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 1622 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:32:51,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 1622 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:32:51,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2180 states. [2024-11-24 00:32:51,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2180 to 2176. [2024-11-24 00:32:51,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2176 states, 1743 states have (on average 1.4004589787722317) internal successors, (2441), 1749 states have internal predecessors, (2441), 313 states have call successors, (313), 120 states have call predecessors, (313), 119 states have return successors, (318), 310 states have call predecessors, (318), 310 states have call successors, (318) [2024-11-24 00:32:51,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 2176 states and 3072 transitions. [2024-11-24 00:32:51,936 INFO L78 Accepts]: Start accepts. Automaton has 2176 states and 3072 transitions. Word has length 53 [2024-11-24 00:32:51,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:32:51,936 INFO L471 AbstractCegarLoop]: Abstraction has 2176 states and 3072 transitions. [2024-11-24 00:32:51,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 00:32:51,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2176 states and 3072 transitions. [2024-11-24 00:32:51,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-24 00:32:51,943 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:32:51,943 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 00:32:51,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:32:51,944 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:32:51,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:32:51,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1790662468, now seen corresponding path program 1 times [2024-11-24 00:32:51,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:32:51,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155710619] [2024-11-24 00:32:51,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:51,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:32:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:32:53,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 00:32:53,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:32:53,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155710619] [2024-11-24 00:32:53,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155710619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:32:53,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:32:53,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:32:53,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462851315] [2024-11-24 00:32:53,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:32:53,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:32:53,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:32:53,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:32:53,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:53,658 INFO L87 Difference]: Start difference. First operand 2176 states and 3072 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 00:32:53,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:32:53,762 INFO L93 Difference]: Finished difference Result 2178 states and 3073 transitions. [2024-11-24 00:32:53,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:32:53,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2024-11-24 00:32:53,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:32:53,776 INFO L225 Difference]: With dead ends: 2178 [2024-11-24 00:32:53,777 INFO L226 Difference]: Without dead ends: 2166 [2024-11-24 00:32:53,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:53,780 INFO L435 NwaCegarLoop]: 811 mSDtfsCounter, 780 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 780 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:32:53,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [780 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:32:53,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2166 states. [2024-11-24 00:32:53,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2166 to 2166. [2024-11-24 00:32:53,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2166 states, 1734 states have (on average 1.400230680507497) internal successors, (2428), 1739 states have internal predecessors, (2428), 312 states have call successors, (312), 120 states have call predecessors, (312), 119 states have return successors, (318), 310 states have call predecessors, (318), 310 states have call successors, (318) [2024-11-24 00:32:53,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 2166 states and 3058 transitions. [2024-11-24 00:32:53,927 INFO L78 Accepts]: Start accepts. Automaton has 2166 states and 3058 transitions. Word has length 54 [2024-11-24 00:32:53,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:32:53,928 INFO L471 AbstractCegarLoop]: Abstraction has 2166 states and 3058 transitions. [2024-11-24 00:32:53,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 00:32:53,928 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 3058 transitions. [2024-11-24 00:32:53,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-24 00:32:53,932 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:32:53,933 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:32:53,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:32:53,933 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:32:53,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:32:53,933 INFO L85 PathProgramCache]: Analyzing trace with hash -106307010, now seen corresponding path program 1 times [2024-11-24 00:32:53,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:32:53,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793493100] [2024-11-24 00:32:53,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:53,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:32:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:32:55,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:32:55,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:32:55,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793493100] [2024-11-24 00:32:55,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793493100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:32:55,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:32:55,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:32:55,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122522784] [2024-11-24 00:32:55,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:32:55,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:32:55,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:32:55,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:32:55,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:55,555 INFO L87 Difference]: Start difference. First operand 2166 states and 3058 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-24 00:32:56,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:32:56,102 INFO L93 Difference]: Finished difference Result 6308 states and 8877 transitions. [2024-11-24 00:32:56,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:32:56,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 65 [2024-11-24 00:32:56,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:32:56,132 INFO L225 Difference]: With dead ends: 6308 [2024-11-24 00:32:56,132 INFO L226 Difference]: Without dead ends: 4165 [2024-11-24 00:32:56,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:56,144 INFO L435 NwaCegarLoop]: 815 mSDtfsCounter, 738 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:32:56,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [738 Valid, 1571 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:32:56,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2024-11-24 00:32:56,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 4148. [2024-11-24 00:32:56,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4148 states, 3332 states have (on average 1.397358943577431) internal successors, (4656), 3343 states have internal predecessors, (4656), 580 states have call successors, (580), 236 states have call predecessors, (580), 235 states have return successors, (590), 576 states have call predecessors, (590), 578 states have call successors, (590) [2024-11-24 00:32:56,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4148 states to 4148 states and 5826 transitions. [2024-11-24 00:32:56,444 INFO L78 Accepts]: Start accepts. Automaton has 4148 states and 5826 transitions. Word has length 65 [2024-11-24 00:32:56,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:32:56,444 INFO L471 AbstractCegarLoop]: Abstraction has 4148 states and 5826 transitions. [2024-11-24 00:32:56,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-24 00:32:56,445 INFO L276 IsEmpty]: Start isEmpty. Operand 4148 states and 5826 transitions. [2024-11-24 00:32:56,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-24 00:32:56,449 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:32:56,449 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:32:56,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:32:56,450 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:32:56,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:32:56,450 INFO L85 PathProgramCache]: Analyzing trace with hash 603835567, now seen corresponding path program 1 times [2024-11-24 00:32:56,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:32:56,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534025154] [2024-11-24 00:32:56,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:56,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:32:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:32:57,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:32:57,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:32:57,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534025154] [2024-11-24 00:32:57,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534025154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:32:57,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:32:57,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:32:57,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831395991] [2024-11-24 00:32:57,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:32:57,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:32:57,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:32:57,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:32:57,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:57,921 INFO L87 Difference]: Start difference. First operand 4148 states and 5826 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-24 00:32:58,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:32:58,494 INFO L93 Difference]: Finished difference Result 10732 states and 15042 transitions. [2024-11-24 00:32:58,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:32:58,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 66 [2024-11-24 00:32:58,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:32:58,538 INFO L225 Difference]: With dead ends: 10732 [2024-11-24 00:32:58,538 INFO L226 Difference]: Without dead ends: 6607 [2024-11-24 00:32:58,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:58,556 INFO L435 NwaCegarLoop]: 1245 mSDtfsCounter, 727 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 2001 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:32:58,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 2001 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:32:58,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6607 states. [2024-11-24 00:32:59,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6607 to 6594. [2024-11-24 00:32:59,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6594 states, 5298 states have (on average 1.3961872404681013) internal successors, (7397), 5313 states have internal predecessors, (7397), 906 states have call successors, (906), 390 states have call predecessors, (906), 389 states have return successors, (920), 902 states have call predecessors, (920), 904 states have call successors, (920) [2024-11-24 00:32:59,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6594 states to 6594 states and 9223 transitions. [2024-11-24 00:32:59,135 INFO L78 Accepts]: Start accepts. Automaton has 6594 states and 9223 transitions. Word has length 66 [2024-11-24 00:32:59,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:32:59,137 INFO L471 AbstractCegarLoop]: Abstraction has 6594 states and 9223 transitions. [2024-11-24 00:32:59,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-24 00:32:59,137 INFO L276 IsEmpty]: Start isEmpty. Operand 6594 states and 9223 transitions. [2024-11-24 00:32:59,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 00:32:59,155 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:32:59,155 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-24 00:32:59,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:32:59,156 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:32:59,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:32:59,156 INFO L85 PathProgramCache]: Analyzing trace with hash 656867194, now seen corresponding path program 1 times [2024-11-24 00:32:59,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:32:59,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890944294] [2024-11-24 00:32:59,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:59,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:01,224 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-24 00:33:01,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:33:01,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890944294] [2024-11-24 00:33:01,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890944294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:33:01,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:33:01,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:33:01,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409794172] [2024-11-24 00:33:01,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:33:01,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:33:01,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:33:01,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:33:01,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:33:01,227 INFO L87 Difference]: Start difference. First operand 6594 states and 9223 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 00:33:05,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:33:06,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:33:06,038 INFO L93 Difference]: Finished difference Result 16888 states and 23652 transitions. [2024-11-24 00:33:06,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:33:06,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 124 [2024-11-24 00:33:06,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:33:06,097 INFO L225 Difference]: With dead ends: 16888 [2024-11-24 00:33:06,097 INFO L226 Difference]: Without dead ends: 10339 [2024-11-24 00:33:06,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:33:06,124 INFO L435 NwaCegarLoop]: 1052 mSDtfsCounter, 731 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 1803 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:33:06,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 1803 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 28 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-24 00:33:06,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10339 states. [2024-11-24 00:33:06,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10339 to 10326. [2024-11-24 00:33:06,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10326 states, 8358 states have (on average 1.394233070112467) internal successors, (11653), 8377 states have internal predecessors, (11653), 1362 states have call successors, (1362), 606 states have call predecessors, (1362), 605 states have return successors, (1380), 1358 states have call predecessors, (1380), 1360 states have call successors, (1380) [2024-11-24 00:33:06,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10326 states to 10326 states and 14395 transitions. [2024-11-24 00:33:06,731 INFO L78 Accepts]: Start accepts. Automaton has 10326 states and 14395 transitions. Word has length 124 [2024-11-24 00:33:06,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:33:06,731 INFO L471 AbstractCegarLoop]: Abstraction has 10326 states and 14395 transitions. [2024-11-24 00:33:06,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 00:33:06,731 INFO L276 IsEmpty]: Start isEmpty. Operand 10326 states and 14395 transitions. [2024-11-24 00:33:06,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 00:33:06,737 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:33:06,737 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-24 00:33:06,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:33:06,738 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:33:06,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:06,738 INFO L85 PathProgramCache]: Analyzing trace with hash -610961450, now seen corresponding path program 1 times [2024-11-24 00:33:06,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:06,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655745896] [2024-11-24 00:33:06,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:06,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:08,745 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-24 00:33:08,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:33:08,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655745896] [2024-11-24 00:33:08,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655745896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:33:08,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:33:08,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:33:08,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966183848] [2024-11-24 00:33:08,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:33:08,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:33:08,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:33:08,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:33:08,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:33:08,747 INFO L87 Difference]: Start difference. First operand 10326 states and 14395 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 00:33:12,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:33:13,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:33:13,696 INFO L93 Difference]: Finished difference Result 26166 states and 36524 transitions. [2024-11-24 00:33:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:33:13,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 123 [2024-11-24 00:33:13,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:33:13,794 INFO L225 Difference]: With dead ends: 26166 [2024-11-24 00:33:13,797 INFO L226 Difference]: Without dead ends: 15885 [2024-11-24 00:33:13,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:33:13,834 INFO L435 NwaCegarLoop]: 1129 mSDtfsCounter, 739 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 1890 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:33:13,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [739 Valid, 1890 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 28 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-24 00:33:13,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15885 states. [2024-11-24 00:33:14,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15885 to 15868. [2024-11-24 00:33:14,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15868 states, 12912 states have (on average 1.391960966542751) internal successors, (17973), 12937 states have internal predecessors, (17973), 2030 states have call successors, (2030), 926 states have call predecessors, (2030), 925 states have return successors, (2052), 2024 states have call predecessors, (2052), 2028 states have call successors, (2052) [2024-11-24 00:33:14,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15868 states to 15868 states and 22055 transitions. [2024-11-24 00:33:14,698 INFO L78 Accepts]: Start accepts. Automaton has 15868 states and 22055 transitions. Word has length 123 [2024-11-24 00:33:14,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:33:14,699 INFO L471 AbstractCegarLoop]: Abstraction has 15868 states and 22055 transitions. [2024-11-24 00:33:14,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 00:33:14,700 INFO L276 IsEmpty]: Start isEmpty. Operand 15868 states and 22055 transitions. [2024-11-24 00:33:14,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 00:33:14,704 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:33:14,705 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-24 00:33:14,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 00:33:14,705 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:33:14,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:14,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1675839312, now seen corresponding path program 1 times [2024-11-24 00:33:14,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:14,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467432460] [2024-11-24 00:33:14,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:14,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:16,615 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-24 00:33:16,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:33:16,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467432460] [2024-11-24 00:33:16,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467432460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:33:16,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:33:16,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:33:16,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094462959] [2024-11-24 00:33:16,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:33:16,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:33:16,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:33:16,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:33:16,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:33:16,616 INFO L87 Difference]: Start difference. First operand 15868 states and 22055 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 00:33:20,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:33:24,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:33:24,532 INFO L93 Difference]: Finished difference Result 23774 states and 33103 transitions. [2024-11-24 00:33:24,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:33:24,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 122 [2024-11-24 00:33:24,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:33:24,670 INFO L225 Difference]: With dead ends: 23774 [2024-11-24 00:33:24,670 INFO L226 Difference]: Without dead ends: 23771 [2024-11-24 00:33:24,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:33:24,686 INFO L435 NwaCegarLoop]: 1574 mSDtfsCounter, 1509 mSDsluCounter, 1256 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 2830 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:33:24,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 2830 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 350 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2024-11-24 00:33:24,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23771 states. [2024-11-24 00:33:26,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23771 to 23757. [2024-11-24 00:33:26,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23757 states, 19332 states have (on average 1.3926650113800951) internal successors, (26923), 19369 states have internal predecessors, (26923), 3040 states have call successors, (3040), 1385 states have call predecessors, (3040), 1384 states have return successors, (3110), 3032 states have call predecessors, (3110), 3038 states have call successors, (3110) [2024-11-24 00:33:27,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23757 states to 23757 states and 33073 transitions. [2024-11-24 00:33:27,038 INFO L78 Accepts]: Start accepts. Automaton has 23757 states and 33073 transitions. Word has length 122 [2024-11-24 00:33:27,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:33:27,039 INFO L471 AbstractCegarLoop]: Abstraction has 23757 states and 33073 transitions. [2024-11-24 00:33:27,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 00:33:27,043 INFO L276 IsEmpty]: Start isEmpty. Operand 23757 states and 33073 transitions. [2024-11-24 00:33:27,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-24 00:33:27,051 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:33:27,051 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-24 00:33:27,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 00:33:27,052 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:33:27,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:27,053 INFO L85 PathProgramCache]: Analyzing trace with hash 866492686, now seen corresponding path program 1 times [2024-11-24 00:33:27,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:27,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827375133] [2024-11-24 00:33:27,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:27,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:29,490 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-24 00:33:29,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:33:29,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827375133] [2024-11-24 00:33:29,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827375133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:33:29,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:33:29,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:33:29,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304737476] [2024-11-24 00:33:29,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:33:29,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:33:29,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:33:29,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:33:29,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:33:29,492 INFO L87 Difference]: Start difference. First operand 23757 states and 33073 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 00:33:30,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:33:30,876 INFO L93 Difference]: Finished difference Result 31898 states and 44390 transitions. [2024-11-24 00:33:30,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:33:30,876 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 122 [2024-11-24 00:33:30,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:33:30,991 INFO L225 Difference]: With dead ends: 31898 [2024-11-24 00:33:30,991 INFO L226 Difference]: Without dead ends: 23932 [2024-11-24 00:33:31,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:33:31,022 INFO L435 NwaCegarLoop]: 807 mSDtfsCounter, 1 mSDsluCounter, 3214 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4021 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:33:31,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4021 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:33:31,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23932 states. [2024-11-24 00:33:32,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23932 to 23884. [2024-11-24 00:33:32,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23884 states, 19459 states have (on average 1.389280024667249) internal successors, (27034), 19496 states have internal predecessors, (27034), 3040 states have call successors, (3040), 1385 states have call predecessors, (3040), 1384 states have return successors, (3110), 3032 states have call predecessors, (3110), 3038 states have call successors, (3110) [2024-11-24 00:33:32,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23884 states to 23884 states and 33184 transitions. [2024-11-24 00:33:32,531 INFO L78 Accepts]: Start accepts. Automaton has 23884 states and 33184 transitions. Word has length 122 [2024-11-24 00:33:32,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:33:32,531 INFO L471 AbstractCegarLoop]: Abstraction has 23884 states and 33184 transitions. [2024-11-24 00:33:32,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-24 00:33:32,531 INFO L276 IsEmpty]: Start isEmpty. Operand 23884 states and 33184 transitions. [2024-11-24 00:33:32,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-24 00:33:32,543 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:33:32,544 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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] [2024-11-24 00:33:32,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 00:33:32,544 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:33:32,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:32,544 INFO L85 PathProgramCache]: Analyzing trace with hash -2092730668, now seen corresponding path program 1 times [2024-11-24 00:33:32,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:32,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326571569] [2024-11-24 00:33:32,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:32,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:34,989 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-24 00:33:34,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:33:34,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326571569] [2024-11-24 00:33:34,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326571569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:33:34,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:33:34,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:33:34,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845243775] [2024-11-24 00:33:34,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:33:34,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:33:34,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:33:34,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:33:34,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:33:34,993 INFO L87 Difference]: Start difference. First operand 23884 states and 33184 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:33:35,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:33:35,965 INFO L93 Difference]: Finished difference Result 32009 states and 44445 transitions. [2024-11-24 00:33:35,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:33:35,965 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 141 [2024-11-24 00:33:35,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:33:36,037 INFO L225 Difference]: With dead ends: 32009 [2024-11-24 00:33:36,038 INFO L226 Difference]: Without dead ends: 16043 [2024-11-24 00:33:36,073 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:33:36,074 INFO L435 NwaCegarLoop]: 805 mSDtfsCounter, 43 mSDsluCounter, 3170 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 3975 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:33:36,074 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 3975 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:33:36,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16043 states. [2024-11-24 00:33:37,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16043 to 16011. [2024-11-24 00:33:37,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16011 states, 13055 states have (on average 1.3852163921869016) internal successors, (18084), 13080 states have internal predecessors, (18084), 2030 states have call successors, (2030), 926 states have call predecessors, (2030), 925 states have return successors, (2052), 2024 states have call predecessors, (2052), 2028 states have call successors, (2052) [2024-11-24 00:33:37,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16011 states to 16011 states and 22166 transitions. [2024-11-24 00:33:37,126 INFO L78 Accepts]: Start accepts. Automaton has 16011 states and 22166 transitions. Word has length 141 [2024-11-24 00:33:37,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:33:37,127 INFO L471 AbstractCegarLoop]: Abstraction has 16011 states and 22166 transitions. [2024-11-24 00:33:37,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:33:37,127 INFO L276 IsEmpty]: Start isEmpty. Operand 16011 states and 22166 transitions. [2024-11-24 00:33:37,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 00:33:37,142 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:33:37,142 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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] [2024-11-24 00:33:37,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 00:33:37,143 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:33:37,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:37,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1237943628, now seen corresponding path program 1 times [2024-11-24 00:33:37,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:37,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966389125] [2024-11-24 00:33:37,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:37,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:39,805 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-24 00:33:39,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:33:39,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966389125] [2024-11-24 00:33:39,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966389125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:33:39,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:33:39,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:33:39,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636498942] [2024-11-24 00:33:39,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:33:39,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:33:39,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:33:39,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:33:39,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:33:39,808 INFO L87 Difference]: Start difference. First operand 16011 states and 22166 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 00:33:40,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:33:40,818 INFO L93 Difference]: Finished difference Result 31993 states and 44301 transitions. [2024-11-24 00:33:40,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:33:40,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 144 [2024-11-24 00:33:40,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:33:40,881 INFO L225 Difference]: With dead ends: 31993 [2024-11-24 00:33:40,881 INFO L226 Difference]: Without dead ends: 16012 [2024-11-24 00:33:40,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:33:40,909 INFO L435 NwaCegarLoop]: 808 mSDtfsCounter, 0 mSDsluCounter, 1614 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2422 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:33:40,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2422 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:33:40,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16012 states. [2024-11-24 00:33:41,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16012 to 16012. [2024-11-24 00:33:41,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16012 states, 13056 states have (on average 1.385186887254902) internal successors, (18085), 13081 states have internal predecessors, (18085), 2030 states have call successors, (2030), 926 states have call predecessors, (2030), 925 states have return successors, (2052), 2024 states have call predecessors, (2052), 2028 states have call successors, (2052) [2024-11-24 00:33:41,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16012 states to 16012 states and 22167 transitions. [2024-11-24 00:33:41,619 INFO L78 Accepts]: Start accepts. Automaton has 16012 states and 22167 transitions. Word has length 144 [2024-11-24 00:33:41,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:33:41,621 INFO L471 AbstractCegarLoop]: Abstraction has 16012 states and 22167 transitions. [2024-11-24 00:33:41,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 00:33:41,622 INFO L276 IsEmpty]: Start isEmpty. Operand 16012 states and 22167 transitions. [2024-11-24 00:33:41,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-24 00:33:41,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:33:41,633 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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] [2024-11-24 00:33:41,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 00:33:41,633 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:33:41,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:41,634 INFO L85 PathProgramCache]: Analyzing trace with hash 388431226, now seen corresponding path program 1 times [2024-11-24 00:33:41,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:41,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680408990] [2024-11-24 00:33:41,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:41,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:43,752 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-24 00:33:43,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:33:43,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680408990] [2024-11-24 00:33:43,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680408990] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:33:43,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536554323] [2024-11-24 00:33:43,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:43,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:33:43,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:33:43,758 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:33:43,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:33:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:46,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 2212 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 00:33:46,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:33:49,062 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-24 00:33:49,062 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:33:49,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536554323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:33:49,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:33:49,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2024-11-24 00:33:49,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072861905] [2024-11-24 00:33:49,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:33:49,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:33:49,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:33:49,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:33:49,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:33:49,064 INFO L87 Difference]: Start difference. First operand 16012 states and 22167 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 3 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 00:33:53,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:33:57,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:34:01,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:34:05,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:34:14,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:34:14,027 INFO L93 Difference]: Finished difference Result 16060 states and 22223 transitions. [2024-11-24 00:34:14,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:34:14,028 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 3 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 145 [2024-11-24 00:34:14,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:34:14,036 INFO L225 Difference]: With dead ends: 16060 [2024-11-24 00:34:14,036 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 00:34:14,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:34:14,060 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 2117 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 530 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2145 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 530 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:34:14,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2145 Valid, 484 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [530 Valid, 1148 Invalid, 4 Unknown, 0 Unchecked, 24.4s Time] [2024-11-24 00:34:14,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 00:34:14,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 00:34:14,061 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) [2024-11-24 00:34:14,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 00:34:14,068 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 145 [2024-11-24 00:34:14,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:34:14,068 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:34:14,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 3 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 00:34:14,068 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:34:14,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 00:34:14,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:34:14,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:34:14,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-24 00:34:14,273 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:34:14,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 00:39:02,212 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:39:02,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:39:02 BoogieIcfgContainer [2024-11-24 00:39:02,231 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:39:02,232 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:39:02,232 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:39:02,232 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:39:02,233 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:32:33" (3/4) ... [2024-11-24 00:39:02,236 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 00:39:02,246 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#12 [2024-11-24 00:39:02,246 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#11 [2024-11-24 00:39:02,246 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#10 [2024-11-24 00:39:02,246 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_resume [2024-11-24 00:39:02,246 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#7 [2024-11-24 00:39:02,246 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#6 [2024-11-24 00:39:02,246 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#9 [2024-11-24 00:39:02,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __dynamic_netdev_dbg [2024-11-24 00:39:02,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_int [2024-11-24 00:39:02,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#8 [2024-11-24 00:39:02,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#16 [2024-11-24 00:39:02,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#15 [2024-11-24 00:39:02,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#14 [2024-11-24 00:39:02,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#13 [2024-11-24 00:39:02,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2024-11-24 00:39:02,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_bind [2024-11-24 00:39:02,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-11-24 00:39:02,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_manage_power [2024-11-24 00:39:02,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2024-11-24 00:39:02,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_headroom [2024-11-24 00:39:02,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_disconnect [2024-11-24 00:39:02,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-24 00:39:02,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2024-11-24 00:39:02,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2024-11-24 00:39:02,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2024-11-24 00:39:02,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2024-11-24 00:39:02,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_suspend [2024-11-24 00:39:02,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2024-11-24 00:39:02,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-24 00:39:02,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_rx_fixup [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_resume [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#10 [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fswab16 [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#16 [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_read [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#15 [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#14 [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#13 [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#12 [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#11 [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_ncm_unbind [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_unbind [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_tx_fixup [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_reset_mac_header [2024-11-24 00:39:02,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#1 [2024-11-24 00:39:02,250 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#0 [2024-11-24 00:39:02,250 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#3 [2024-11-24 00:39:02,250 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#2 [2024-11-24 00:39:02,250 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop___0 [2024-11-24 00:39:02,250 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#5 [2024-11-24 00:39:02,250 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-11-24 00:39:02,250 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#4 [2024-11-24 00:39:02,250 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_get_intfdata_4 [2024-11-24 00:39:02,250 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eth_hdr [2024-11-24 00:39:02,250 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-11-24 00:39:02,298 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 192 nodes and edges [2024-11-24 00:39:02,301 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 79 nodes and edges [2024-11-24 00:39:02,304 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-24 00:39:02,306 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-24 00:39:02,309 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-24 00:39:02,614 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:39:02,614 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 00:39:02,614 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:39:02,616 INFO L158 Benchmark]: Toolchain (without parser) took 399877.61ms. Allocated memory was 117.4MB in the beginning and 4.0GB in the end (delta: 3.9GB). Free memory was 84.6MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 931.3MB. Max. memory is 16.1GB. [2024-11-24 00:39:02,616 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 117.4MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:39:02,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1804.51ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 58.5MB in the end (delta: 26.2MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2024-11-24 00:39:02,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 161.38ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 47.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:39:02,618 INFO L158 Benchmark]: Boogie Preprocessor took 445.11ms. Allocated memory is still 117.4MB. Free memory was 47.6MB in the beginning and 31.2MB in the end (delta: 16.4MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-11-24 00:39:02,618 INFO L158 Benchmark]: RCFGBuilder took 8708.01ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 31.2MB in the beginning and 164.8MB in the end (delta: -133.7MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2024-11-24 00:39:02,618 INFO L158 Benchmark]: TraceAbstraction took 388368.00ms. Allocated memory was 260.0MB in the beginning and 4.0GB in the end (delta: 3.7GB). Free memory was 163.7MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2024-11-24 00:39:02,618 INFO L158 Benchmark]: Witness Printer took 382.95ms. Allocated memory is still 4.0GB. Free memory was 3.0GB in the beginning and 3.0GB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 00:39:02,620 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 117.4MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1804.51ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 58.5MB in the end (delta: 26.2MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 161.38ms. Allocated memory is still 117.4MB. Free memory was 58.5MB in the beginning and 47.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 445.11ms. Allocated memory is still 117.4MB. Free memory was 47.6MB in the beginning and 31.2MB in the end (delta: 16.4MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * RCFGBuilder took 8708.01ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 31.2MB in the beginning and 164.8MB in the end (delta: -133.7MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. * TraceAbstraction took 388368.00ms. Allocated memory was 260.0MB in the beginning and 4.0GB in the end (delta: 3.7GB). Free memory was 163.7MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. * Witness Printer took 382.95ms. Allocated memory is still 4.0GB. Free memory was 3.0GB in the beginning and 3.0GB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 5496]: 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"); [5496-5497] - GenericResultAtLocation [Line: 5508]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [5508-5509] - GenericResultAtLocation [Line: 5512]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5512-5513] - GenericResultAtLocation [Line: 5516]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5516-5517] - GenericResultAtLocation [Line: 5520]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5520-5521] * 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: 5624]: 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 65 procedures, 733 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 100.3s, OverallIterations: 15, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 53.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 11311 SdHoareTripleChecker+Valid, 45.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11280 mSDsluCounter, 27548 SdHoareTripleChecker+Invalid, 44.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14106 mSDsCounter, 575 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1714 IncrementalHoareTripleChecker+Invalid, 2297 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 575 mSolverCounterUnsat, 13442 mSDtfsCounter, 1714 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23884occurred in iteration=12, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.6s AutomataMinimizationTime, 15 MinimizatonAttempts, 161 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 10.2s InterpolantComputationTime, 1497 NumberOfCodeBlocks, 1497 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1481 ConstructedInterpolants, 0 QuantifiedInterpolants, 2618 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2212 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 16 InterpolantComputations, 15 PerfectInterpolantSequences, 973/974 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 RESULT: Ultimate proved your program to be correct! [2024-11-24 00:39:02,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b16f85-7533-450d-aa2d-4717dba76624/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