./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5186fa5e-1aa5-4744-bdc5-b722883bd9a5/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5186fa5e-1aa5-4744-bdc5-b722883bd9a5/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5186fa5e-1aa5-4744-bdc5-b722883bd9a5/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5186fa5e-1aa5-4744-bdc5-b722883bd9a5/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5186fa5e-1aa5-4744-bdc5-b722883bd9a5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5186fa5e-1aa5-4744-bdc5-b722883bd9a5/bin/uautomizer-verify-VRDe98Ueme --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 9e49a1360829f26f8d048b65d36d4ec5c4a8326faf8d0f409c04195556886603 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:55:59,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:55:59,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5186fa5e-1aa5-4744-bdc5-b722883bd9a5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 11:55:59,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:55:59,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:55:59,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:55:59,523 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:55:59,524 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:55:59,525 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:55:59,525 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:55:59,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:55:59,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:55:59,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:55:59,528 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:55:59,528 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:55:59,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:55:59,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:55:59,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:55:59,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:55:59,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:55:59,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:55:59,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:55:59,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:55:59,542 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:55:59,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:55:59,544 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:55:59,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:55:59,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:55:59,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:55:59,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:55:59,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:55:59,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:55:59,548 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:55:59,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:55:59,548 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:55:59,548 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:55:59,562 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:55:59,562 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:55:59,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:55:59,563 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5186fa5e-1aa5-4744-bdc5-b722883bd9a5/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5186fa5e-1aa5-4744-bdc5-b722883bd9a5/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e49a1360829f26f8d048b65d36d4ec5c4a8326faf8d0f409c04195556886603 [2023-11-26 11:55:59,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:55:59,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:55:59,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:55:59,888 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:55:59,890 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:55:59,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5186fa5e-1aa5-4744-bdc5-b722883bd9a5/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2023-11-26 11:56:02,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:56:03,521 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:56:03,521 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5186fa5e-1aa5-4744-bdc5-b722883bd9a5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2023-11-26 11:56:03,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5186fa5e-1aa5-4744-bdc5-b722883bd9a5/bin/uautomizer-verify-VRDe98Ueme/data/85efb67a0/b72eca897cbb4850832dea6f976e29bd/FLAG12aa38562 [2023-11-26 11:56:03,579 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5186fa5e-1aa5-4744-bdc5-b722883bd9a5/bin/uautomizer-verify-VRDe98Ueme/data/85efb67a0/b72eca897cbb4850832dea6f976e29bd [2023-11-26 11:56:03,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:56:03,584 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:56:03,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:03,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:56:03,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:56:03,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:03" (1/1) ... [2023-11-26 11:56:03,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b6b9639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:03, skipping insertion in model container [2023-11-26 11:56:03,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:03" (1/1) ... [2023-11-26 11:56:03,729 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:56:05,492 WARN L240 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_5186fa5e-1aa5-4744-bdc5-b722883bd9a5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2023-11-26 11:56:05,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:05,598 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:56:05,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3951-3952] [2023-11-26 11:56:05,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4068] [2023-11-26 11:56:05,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4071] [2023-11-26 11:56:05,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4074] [2023-11-26 11:56:05,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4077] [2023-11-26 11:56:05,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [4102] [2023-11-26 11:56:05,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4105] [2023-11-26 11:56:05,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4108] [2023-11-26 11:56:05,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4111] [2023-11-26 11:56:06,044 WARN L240 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_5186fa5e-1aa5-4744-bdc5-b722883bd9a5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2023-11-26 11:56:06,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:06,134 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:56:06,142 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:56:06,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:06 WrapperNode [2023-11-26 11:56:06,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:06,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:06,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:56:06,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:56:06,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:06" (1/1) ... [2023-11-26 11:56:06,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:06" (1/1) ... [2023-11-26 11:56:06,411 INFO L138 Inliner]: procedures = 180, calls = 1525, calls flagged for inlining = 71, calls inlined = 66, statements flattened = 4321 [2023-11-26 11:56:06,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:06,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:56:06,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:56:06,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:56:06,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:06" (1/1) ... [2023-11-26 11:56:06,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:06" (1/1) ... [2023-11-26 11:56:06,466 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:06" (1/1) ... [2023-11-26 11:56:06,985 INFO L175 MemorySlicer]: Split 754 memory accesses to 11 slices as follows [2, 38, 2, 2, 119, 39, 1, 142, 3, 3, 403]. 53 percent of accesses are in the largest equivalence class. The 200 initializations are split as follows [2, 0, 0, 0, 0, 39, 0, 142, 3, 0, 14]. The 286 writes are split as follows [0, 2, 1, 1, 102, 0, 0, 0, 0, 1, 179]. [2023-11-26 11:56:06,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:06" (1/1) ... [2023-11-26 11:56:06,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:06" (1/1) ... [2023-11-26 11:56:07,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:06" (1/1) ... [2023-11-26 11:56:07,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:06" (1/1) ... [2023-11-26 11:56:07,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:06" (1/1) ... [2023-11-26 11:56:07,214 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:06" (1/1) ... [2023-11-26 11:56:07,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:56:07,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:56:07,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:56:07,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:56:07,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:06" (1/1) ... [2023-11-26 11:56:07,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:56:07,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5186fa5e-1aa5-4744-bdc5-b722883bd9a5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:07,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5186fa5e-1aa5-4744-bdc5-b722883bd9a5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:07,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5186fa5e-1aa5-4744-bdc5-b722883bd9a5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:56:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-26 11:56:07,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-26 11:56:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure digi_disconnect [2023-11-26 11:56:07,341 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_disconnect [2023-11-26 11:56:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-26 11:56:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-26 11:56:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-26 11:56:07,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-26 11:56:07,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-26 11:56:07,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-26 11:56:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-26 11:56:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-26 11:56:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-26 11:56:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-26 11:56:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-26 11:56:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure digi_break_ctl [2023-11-26 11:56:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_break_ctl [2023-11-26 11:56:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-26 11:56:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-26 11:56:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-26 11:56:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-26 11:56:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-26 11:56:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-26 11:56:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-26 11:56:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-26 11:56:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-26 11:56:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-26 11:56:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-26 11:56:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-26 11:56:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-26 11:56:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-26 11:56:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-26 11:56:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-26 11:56:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-26 11:56:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-26 11:56:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-26 11:56:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-26 11:56:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-26 11:56:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-26 11:56:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure cond_wait_interruptible_timeout_irqrestore [2023-11-26 11:56:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure cond_wait_interruptible_timeout_irqrestore [2023-11-26 11:56:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-26 11:56:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-26 11:56:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:56:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:56:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:56:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 11:56:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 11:56:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 11:56:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 11:56:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 11:56:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 11:56:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 11:56:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 11:56:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-26 11:56:07,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-26 11:56:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_throttle [2023-11-26 11:56:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_throttle [2023-11-26 11:56:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2023-11-26 11:56:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2023-11-26 11:56:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-26 11:56:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-26 11:56:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-26 11:56:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-26 11:56:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-26 11:56:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-26 11:56:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-26 11:56:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-26 11:56:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-26 11:56:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-26 11:56:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-26 11:56:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-26 11:56:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-26 11:56:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-26 11:56:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-26 11:56:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-26 11:56:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-26 11:56:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-26 11:56:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-26 11:56:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-26 11:56:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-26 11:56:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-26 11:56:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-26 11:56:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-26 11:56:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-26 11:56:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-26 11:56:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure digi_startup [2023-11-26 11:56:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_startup [2023-11-26 11:56:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 11:56:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 11:56:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2023-11-26 11:56:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2023-11-26 11:56:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure digi_open [2023-11-26 11:56:07,400 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_open [2023-11-26 11:56:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-26 11:56:07,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-26 11:56:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-26 11:56:07,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-26 11:56:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-26 11:56:07,400 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-26 11:56:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-26 11:56:07,400 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-26 11:56:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2023-11-26 11:56:07,401 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2023-11-26 11:56:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure digi_read_bulk_callback [2023-11-26 11:56:07,401 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_read_bulk_callback [2023-11-26 11:56:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:56:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:56:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:56:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 11:56:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 11:56:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 11:56:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 11:56:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 11:56:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 11:56:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 11:56:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 11:56:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 11:56:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 11:56:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-26 11:56:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-26 11:56:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_bulk_callback [2023-11-26 11:56:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_bulk_callback [2023-11-26 11:56:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-26 11:56:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-26 11:56:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write [2023-11-26 11:56:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write [2023-11-26 11:56:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_termios [2023-11-26 11:56:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_termios [2023-11-26 11:56:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure digi_wakeup_write_lock [2023-11-26 11:56:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_wakeup_write_lock [2023-11-26 11:56:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_room [2023-11-26 11:56:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_room [2023-11-26 11:56:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-26 11:56:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-26 11:56:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:56:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:56:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure digi_close [2023-11-26 11:56:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_close [2023-11-26 11:56:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmset [2023-11-26 11:56:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmset [2023-11-26 11:56:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmget [2023-11-26 11:56:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmget [2023-11-26 11:56:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:56:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-26 11:56:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-26 11:56:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-26 11:56:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-26 11:56:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_modem_signals [2023-11-26 11:56:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_modem_signals [2023-11-26 11:56:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2023-11-26 11:56:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2023-11-26 11:56:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:56:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_probe [2023-11-26 11:56:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_probe [2023-11-26 11:56:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:56:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 11:56:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 11:56:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 11:56:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 11:56:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 11:56:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 11:56:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 11:56:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 11:56:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 11:56:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 11:56:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 11:56:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure digi_release [2023-11-26 11:56:07,410 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_release [2023-11-26 11:56:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-26 11:56:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_inb_command [2023-11-26 11:56:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_inb_command [2023-11-26 11:56:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_oob_command [2023-11-26 11:56:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_oob_command [2023-11-26 11:56:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 11:56:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 11:56:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 11:56:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 11:56:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 11:56:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 11:56:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 11:56:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 11:56:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 11:56:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 11:56:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 11:56:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-26 11:56:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-26 11:56:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_init [2023-11-26 11:56:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_init [2023-11-26 11:56:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-26 11:56:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-26 11:56:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-26 11:56:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-26 11:56:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-26 11:56:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-26 11:56:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:56:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_unthrottle [2023-11-26 11:56:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_unthrottle [2023-11-26 11:56:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 11:56:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 11:56:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 11:56:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 11:56:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 11:56:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 11:56:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 11:56:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 11:56:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 11:56:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 11:56:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 11:56:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-11-26 11:56:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-11-26 11:56:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure digi_dtr_rts [2023-11-26 11:56:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_dtr_rts [2023-11-26 11:56:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-26 11:56:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-26 11:56:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure digi_chars_in_buffer [2023-11-26 11:56:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_chars_in_buffer [2023-11-26 11:56:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-26 11:56:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-26 11:56:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-26 11:56:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-26 11:56:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-26 11:56:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-26 11:56:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-26 11:56:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-26 11:56:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-26 11:56:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-26 11:56:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_remove [2023-11-26 11:56:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_remove [2023-11-26 11:56:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-26 11:56:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-26 11:56:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-26 11:56:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-26 11:56:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:56:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:56:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:56:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 11:56:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 11:56:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 11:56:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 11:56:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 11:56:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 11:56:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 11:56:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 11:56:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2023-11-26 11:56:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2023-11-26 11:56:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2023-11-26 11:56:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2023-11-26 11:56:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-26 11:56:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-26 11:56:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-26 11:56:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-26 11:56:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-26 11:56:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-26 11:56:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-26 11:56:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-26 11:56:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-26 11:56:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-26 11:56:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-26 11:56:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-26 11:56:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-26 11:56:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:56:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:56:08,119 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:56:08,123 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:56:08,435 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-26 11:56:20,215 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:56:20,499 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:56:20,499 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:56:20,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:20 BoogieIcfgContainer [2023-11-26 11:56:20,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:56:20,503 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:56:20,504 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:56:20,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:56:20,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:56:03" (1/3) ... [2023-11-26 11:56:20,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff54b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:56:20, skipping insertion in model container [2023-11-26 11:56:20,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:06" (2/3) ... [2023-11-26 11:56:20,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff54b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:56:20, skipping insertion in model container [2023-11-26 11:56:20,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:20" (3/3) ... [2023-11-26 11:56:20,523 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2023-11-26 11:56:20,543 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:56:20,544 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:56:20,642 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:56:20,653 INFO L357 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, mHoare=true, 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;@4c2b55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:56:20,653 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:56:20,668 INFO L276 IsEmpty]: Start isEmpty. Operand has 1392 states, 965 states have (on average 1.4984455958549223) internal successors, (1446), 983 states have internal predecessors, (1446), 363 states have call successors, (363), 63 states have call predecessors, (363), 62 states have return successors, (358), 354 states have call predecessors, (358), 358 states have call successors, (358) [2023-11-26 11:56:20,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-26 11:56:20,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:20,694 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:20,695 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:56:20,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:20,701 INFO L85 PathProgramCache]: Analyzing trace with hash 903214136, now seen corresponding path program 1 times [2023-11-26 11:56:20,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:20,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530717043] [2023-11-26 11:56:20,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:20,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:56:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:56:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:56:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 11:56:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:56:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:56:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 11:56:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:56:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:56:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 11:56:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:56:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:56:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 11:56:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-26 11:56:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-26 11:56:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-26 11:56:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-26 11:56:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-26 11:56:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-26 11:56:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-26 11:56:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-26 11:56:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:22,279 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-26 11:56:22,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:22,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530717043] [2023-11-26 11:56:22,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530717043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:22,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:22,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:56:22,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153031418] [2023-11-26 11:56:22,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:22,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:56:22,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:22,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:56:22,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:56:22,339 INFO L87 Difference]: Start difference. First operand has 1392 states, 965 states have (on average 1.4984455958549223) internal successors, (1446), 983 states have internal predecessors, (1446), 363 states have call successors, (363), 63 states have call predecessors, (363), 62 states have return successors, (358), 354 states have call predecessors, (358), 358 states have call successors, (358) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-26 11:56:26,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:56:28,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:56:30,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:56:33,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:56:45,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:56:49,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:56:52,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:56:53,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:56:53,287 INFO L93 Difference]: Finished difference Result 2968 states and 4785 transitions. [2023-11-26 11:56:53,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:56:53,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 123 [2023-11-26 11:56:53,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:56:53,326 INFO L225 Difference]: With dead ends: 2968 [2023-11-26 11:56:53,326 INFO L226 Difference]: Without dead ends: 1570 [2023-11-26 11:56:53,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:56:53,350 INFO L413 NwaCegarLoop]: 763 mSDtfsCounter, 1728 mSDsluCounter, 1448 mSDsCounter, 0 mSdLazyCounter, 3722 mSolverCounterSat, 912 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1867 SdHoareTripleChecker+Valid, 2211 SdHoareTripleChecker+Invalid, 4637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 912 IncrementalHoareTripleChecker+Valid, 3722 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2023-11-26 11:56:53,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1867 Valid, 2211 Invalid, 4637 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [912 Valid, 3722 Invalid, 3 Unknown, 0 Unchecked, 30.4s Time] [2023-11-26 11:56:53,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2023-11-26 11:56:53,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1383. [2023-11-26 11:56:53,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1383 states, 963 states have (on average 1.4807892004153687) internal successors, (1426), 974 states have internal predecessors, (1426), 358 states have call successors, (358), 62 states have call predecessors, (358), 61 states have return successors, (357), 353 states have call predecessors, (357), 357 states have call successors, (357) [2023-11-26 11:56:53,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 2141 transitions. [2023-11-26 11:56:53,597 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 2141 transitions. Word has length 123 [2023-11-26 11:56:53,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:56:53,598 INFO L495 AbstractCegarLoop]: Abstraction has 1383 states and 2141 transitions. [2023-11-26 11:56:53,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-26 11:56:53,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 2141 transitions. [2023-11-26 11:56:53,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-26 11:56:53,604 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:56:53,605 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:53,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:56:53,605 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:56:53,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:53,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1374044112, now seen corresponding path program 1 times [2023-11-26 11:56:53,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:53,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503634050] [2023-11-26 11:56:53,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:53,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:56:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:56:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:56:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 11:56:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:56:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:56:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 11:56:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:56:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:56:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 11:56:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:56:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:56:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 11:56:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-26 11:56:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-26 11:56:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-26 11:56:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-26 11:56:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-26 11:56:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-26 11:56:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-26 11:56:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-26 11:56:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:54,902 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-26 11:56:54,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:54,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503634050] [2023-11-26 11:56:54,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503634050] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:54,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:54,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 11:56:54,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472806864] [2023-11-26 11:56:54,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:54,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:56:54,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:56:54,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:56:54,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:56:54,907 INFO L87 Difference]: Start difference. First operand 1383 states and 2141 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-26 11:56:57,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:56:59,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []