./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-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01eb855-2be1-402d-b78a-72c11d1b84ae/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01eb855-2be1-402d-b78a-72c11d1b84ae/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01eb855-2be1-402d-b78a-72c11d1b84ae/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01eb855-2be1-402d-b78a-72c11d1b84ae/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01eb855-2be1-402d-b78a-72c11d1b84ae/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01eb855-2be1-402d-b78a-72c11d1b84ae/bin/uautomizer-verify-uTZkv6EMXl --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 a80d5d6260f748dd9867d7bcd6f4a93a5987d3d416867522c1bef6a78e755228 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:19:25,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:19:25,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01eb855-2be1-402d-b78a-72c11d1b84ae/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:19:25,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:19:25,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:19:25,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:19:25,391 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:19:25,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:19:25,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:19:25,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:19:25,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:19:25,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:19:25,400 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:19:25,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:19:25,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:19:25,402 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:19:25,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:19:25,403 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:19:25,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:19:25,404 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:19:25,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:19:25,405 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:19:25,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:19:25,406 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:19:25,407 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:19:25,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:19:25,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:19:25,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:19:25,408 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:19:25,409 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:19:25,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:19:25,410 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:19:25,410 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:19:25,411 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:19:25,411 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:19:25,411 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:19:25,411 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_f01eb855-2be1-402d-b78a-72c11d1b84ae/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01eb855-2be1-402d-b78a-72c11d1b84ae/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a80d5d6260f748dd9867d7bcd6f4a93a5987d3d416867522c1bef6a78e755228 [2023-11-12 02:19:25,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:19:25,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:19:25,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:19:25,782 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:19:25,783 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:19:25,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01eb855-2be1-402d-b78a-72c11d1b84ae/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2023-11-12 02:19:28,884 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:19:29,420 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:19:29,420 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01eb855-2be1-402d-b78a-72c11d1b84ae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2023-11-12 02:19:29,469 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01eb855-2be1-402d-b78a-72c11d1b84ae/bin/uautomizer-verify-uTZkv6EMXl/data/4912938ab/05c1c0150f5b4f968a51be3743e08a8b/FLAG833e10daa [2023-11-12 02:19:29,490 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01eb855-2be1-402d-b78a-72c11d1b84ae/bin/uautomizer-verify-uTZkv6EMXl/data/4912938ab/05c1c0150f5b4f968a51be3743e08a8b [2023-11-12 02:19:29,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:19:29,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:19:29,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:19:29,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:19:29,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:19:29,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:29" (1/1) ... [2023-11-12 02:19:29,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67249692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:29, skipping insertion in model container [2023-11-12 02:19:29,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:29" (1/1) ... [2023-11-12 02:19:29,694 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:19:31,280 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_f01eb855-2be1-402d-b78a-72c11d1b84ae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i[191080,191093] [2023-11-12 02:19:31,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:19:31,425 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:19:31,566 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)); [4374-4375] [2023-11-12 02:19:31,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4392] [2023-11-12 02:19:31,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4395] [2023-11-12 02:19:31,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4398] [2023-11-12 02:19:31,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4401] [2023-11-12 02:19:31,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [4688] [2023-11-12 02:19:31,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5323-5324] [2023-11-12 02:19:31,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5328-5329] [2023-11-12 02:19:31,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [5333-5334] [2023-11-12 02:19:31,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [5338-5339] [2023-11-12 02:19:31,843 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_f01eb855-2be1-402d-b78a-72c11d1b84ae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i[191080,191093] [2023-11-12 02:19:31,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:19:31,952 WARN L672 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:31,952 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:31,952 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:31,960 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:19:31,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:31 WrapperNode [2023-11-12 02:19:31,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:19:31,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:19:31,962 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:19:31,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:19:31,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:31" (1/1) ... [2023-11-12 02:19:32,071 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:31" (1/1) ... [2023-11-12 02:19:32,282 INFO L138 Inliner]: procedures = 210, calls = 1476, calls flagged for inlining = 106, calls inlined = 106, statements flattened = 3630 [2023-11-12 02:19:32,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:19:32,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:19:32,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:19:32,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:19:32,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:31" (1/1) ... [2023-11-12 02:19:32,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:31" (1/1) ... [2023-11-12 02:19:32,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:31" (1/1) ... [2023-11-12 02:19:32,342 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:31" (1/1) ... [2023-11-12 02:19:32,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:31" (1/1) ... [2023-11-12 02:19:32,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:31" (1/1) ... [2023-11-12 02:19:32,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:31" (1/1) ... [2023-11-12 02:19:32,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:31" (1/1) ... [2023-11-12 02:19:32,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:19:32,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:19:32,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:19:32,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:19:32,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:31" (1/1) ... [2023-11-12 02:19:32,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:19:32,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01eb855-2be1-402d-b78a-72c11d1b84ae/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:32,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01eb855-2be1-402d-b78a-72c11d1b84ae/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:32,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f01eb855-2be1-402d-b78a-72c11d1b84ae/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:19:32,627 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_fe_init [2023-11-12 02:19:32,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_fe_init [2023-11-12 02:19:32,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2023-11-12 02:19:32,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2023-11-12 02:19:32,628 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-12 02:19:32,628 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-12 02:19:32,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:19:32,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:19:32,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 02:19:32,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 02:19:32,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:19:32,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:19:32,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:19:32,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:19:32,630 INFO L130 BoogieDeclarations]: Found specification of procedure wait_i2c_result [2023-11-12 02:19:32,631 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_i2c_result [2023-11-12 02:19:32,631 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2023-11-12 02:19:32,632 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2023-11-12 02:19:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-12 02:19:32,633 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-12 02:19:32,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:19:32,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:19:32,634 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_stop_streaming [2023-11-12 02:19:32,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_stop_streaming [2023-11-12 02:19:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-12 02:19:32,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-12 02:19:32,636 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-12 02:19:32,636 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-12 02:19:32,636 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2023-11-12 02:19:32,636 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2023-11-12 02:19:32,637 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2023-11-12 02:19:32,637 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2023-11-12 02:19:32,637 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_lnb_ctrl [2023-11-12 02:19:32,638 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_lnb_ctrl [2023-11-12 02:19:32,638 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 02:19:32,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 02:19:32,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:19:32,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:19:32,638 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:19:32,639 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:19:32,639 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2023-11-12 02:19:32,639 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2023-11-12 02:19:32,639 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_free_dmabuf [2023-11-12 02:19:32,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_free_dmabuf [2023-11-12 02:19:32,640 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 02:19:32,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 02:19:32,640 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_alloc_dmabuf [2023-11-12 02:19:32,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_alloc_dmabuf [2023-11-12 02:19:32,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:19:32,641 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-11-12 02:19:32,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-11-12 02:19:32,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:19:32,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 02:19:32,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 02:19:32,642 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 02:19:32,642 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 02:19:32,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:19:32,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:19:32,644 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_device [2023-11-12 02:19:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_device [2023-11-12 02:19:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-12 02:19:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-12 02:19:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:19:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:19:32,645 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2023-11-12 02:19:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2023-11-12 02:19:32,646 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_base [2023-11-12 02:19:32,646 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_base [2023-11-12 02:19:32,646 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 02:19:32,646 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 02:19:32,647 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 02:19:32,647 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 02:19:32,647 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 02:19:32,647 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 02:19:32,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:19:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_resume [2023-11-12 02:19:32,648 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_resume [2023-11-12 02:19:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-12 02:19:32,648 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-12 02:19:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:19:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 02:19:32,649 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 02:19:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_demod_write [2023-11-12 02:19:32,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_demod_write [2023-11-12 02:19:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-12 02:19:32,650 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-12 02:19:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:19:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure send_i2c_cmd [2023-11-12 02:19:32,650 INFO L138 BoogieDeclarations]: Found implementation of procedure send_i2c_cmd [2023-11-12 02:19:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:19:32,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:19:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_swfilter_packets [2023-11-12 02:19:32,651 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_swfilter_packets [2023-11-12 02:19:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:19:32,651 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:19:32,652 INFO L130 BoogieDeclarations]: Found specification of procedure cmdbuf_add [2023-11-12 02:19:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure cmdbuf_add [2023-11-12 02:19:32,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:19:32,652 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 02:19:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 02:19:32,652 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_stop_dma [2023-11-12 02:19:32,652 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_stop_dma [2023-11-12 02:19:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-12 02:19:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-12 02:19:32,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:19:32,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:19:32,654 INFO L130 BoogieDeclarations]: Found specification of procedure put_byte_write [2023-11-12 02:19:32,654 INFO L138 BoogieDeclarations]: Found implementation of procedure put_byte_write [2023-11-12 02:19:32,654 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_coherent_mask [2023-11-12 02:19:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_coherent_mask [2023-11-12 02:19:32,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 02:19:32,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 02:19:32,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:19:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_set_tuner_power [2023-11-12 02:19:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_set_tuner_power [2023-11-12 02:19:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:19:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2023-11-12 02:19:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2023-11-12 02:19:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:19:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 02:19:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_suspend [2023-11-12 02:19:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_suspend [2023-11-12 02:19:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:19:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:19:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_start_dma [2023-11-12 02:19:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_start_dma [2023-11-12 02:19:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_find_adapter [2023-11-12 02:19:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_find_adapter [2023-11-12 02:19:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-12 02:19:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-12 02:19:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_init_dmabuf [2023-11-12 02:19:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_init_dmabuf [2023-11-12 02:19:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2023-11-12 02:19:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2023-11-12 02:19:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-12 02:19:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-12 02:19:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2023-11-12 02:19:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2023-11-12 02:19:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_cleanup_adapter [2023-11-12 02:19:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_cleanup_adapter [2023-11-12 02:19:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-12 02:19:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-12 02:19:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:19:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:19:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:19:32,666 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 02:19:32,666 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 02:19:33,379 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:19:33,384 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:19:34,087 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:19:47,877 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:19:47,893 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:19:47,893 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:19:47,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:47 BoogieIcfgContainer [2023-11-12 02:19:47,897 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:19:47,899 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:19:47,900 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:19:47,903 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:19:47,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:19:29" (1/3) ... [2023-11-12 02:19:47,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338bc5da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:19:47, skipping insertion in model container [2023-11-12 02:19:47,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:31" (2/3) ... [2023-11-12 02:19:47,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338bc5da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:19:47, skipping insertion in model container [2023-11-12 02:19:47,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:47" (3/3) ... [2023-11-12 02:19:47,906 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2023-11-12 02:19:47,927 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:19:47,927 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:19:48,004 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:19:48,011 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;@5ff996e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:19:48,011 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:19:48,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 1090 states, 801 states have (on average 1.3745318352059925) internal successors, (1101), 821 states have internal predecessors, (1101), 224 states have call successors, (224), 64 states have call predecessors, (224), 63 states have return successors, (219), 216 states have call predecessors, (219), 219 states have call successors, (219) [2023-11-12 02:19:48,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-12 02:19:48,033 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:19:48,034 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:48,035 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:19:48,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:48,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1665483430, now seen corresponding path program 1 times [2023-11-12 02:19:48,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:48,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507341457] [2023-11-12 02:19:48,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:48,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:48,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:19:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:48,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:49,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:19:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:49,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:19:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:49,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:19:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:49,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:19:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:49,132 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-12 02:19:49,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:19:49,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507341457] [2023-11-12 02:19:49,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507341457] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:19:49,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:19:49,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:19:49,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48486855] [2023-11-12 02:19:49,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:19:49,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:19:49,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:19:49,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:19:49,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:19:49,196 INFO L87 Difference]: Start difference. First operand has 1090 states, 801 states have (on average 1.3745318352059925) internal successors, (1101), 821 states have internal predecessors, (1101), 224 states have call successors, (224), 64 states have call predecessors, (224), 63 states have return successors, (219), 216 states have call predecessors, (219), 219 states have call successors, (219) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-12 02:19:54,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:19:56,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:19:58,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:20:00,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:20:02,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:20:04,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:20:05,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:20:05,232 INFO L93 Difference]: Finished difference Result 2286 states and 3334 transitions. [2023-11-12 02:20:05,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:20:05,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2023-11-12 02:20:05,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:20:05,270 INFO L225 Difference]: With dead ends: 2286 [2023-11-12 02:20:05,270 INFO L226 Difference]: Without dead ends: 1189 [2023-11-12 02:20:05,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:20:05,290 INFO L413 NwaCegarLoop]: 1270 mSDtfsCounter, 334 mSDsluCounter, 1524 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 241 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 2794 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:20:05,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 2794 Invalid, 1201 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [241 Valid, 954 Invalid, 6 Unknown, 0 Unchecked, 15.7s Time] [2023-11-12 02:20:05,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2023-11-12 02:20:05,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1078. [2023-11-12 02:20:05,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 796 states have (on average 1.3605527638190955) internal successors, (1083), 809 states have internal predecessors, (1083), 219 states have call successors, (219), 63 states have call predecessors, (219), 62 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2023-11-12 02:20:05,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1519 transitions. [2023-11-12 02:20:05,453 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1519 transitions. Word has length 51 [2023-11-12 02:20:05,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:20:05,454 INFO L495 AbstractCegarLoop]: Abstraction has 1078 states and 1519 transitions. [2023-11-12 02:20:05,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-12 02:20:05,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1519 transitions. [2023-11-12 02:20:05,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-12 02:20:05,458 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:20:05,458 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:05,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:20:05,459 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:20:05,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:05,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1123663062, now seen corresponding path program 1 times [2023-11-12 02:20:05,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:20:05,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871651167] [2023-11-12 02:20:05,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:05,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:20:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:05,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:20:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:05,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:20:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:05,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:20:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:05,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:20:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:05,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:20:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:05,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:20:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:06,005 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-12 02:20:06,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:20:06,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871651167] [2023-11-12 02:20:06,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871651167] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:06,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:06,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:20:06,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837916220] [2023-11-12 02:20:06,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:06,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:20:06,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:20:06,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:20:06,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:20:06,009 INFO L87 Difference]: Start difference. First operand 1078 states and 1519 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-12 02:20:12,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:20:14,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:20:16,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:20:18,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:20:20,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:20:22,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []