./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 9bd2c7ff 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_7b8b9b83-ce84-455a-a467-03d80524eb04/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b9b83-ce84-455a-a467-03d80524eb04/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b9b83-ce84-455a-a467-03d80524eb04/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b9b83-ce84-455a-a467-03d80524eb04/bin/uautomizer-verify-uCwYo4JHxu/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_7b8b9b83-ce84-455a-a467-03d80524eb04/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b9b83-ce84-455a-a467-03d80524eb04/bin/uautomizer-verify-uCwYo4JHxu --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-9bd2c7f [2023-11-19 07:36:16,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:36:16,951 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b9b83-ce84-455a-a467-03d80524eb04/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:36:16,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:36:16,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:36:16,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:36:16,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:36:16,997 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:36:16,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:36:17,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:36:17,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:36:17,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:36:17,008 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:36:17,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:36:17,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:36:17,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:36:17,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:36:17,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:36:17,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:36:17,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:36:17,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:36:17,013 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:36:17,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:36:17,015 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:36:17,015 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:36:17,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:17,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:36:17,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:36:17,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:36:17,017 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:36:17,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:36:17,018 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:36:17,019 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:36:17,019 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:36:17,019 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:36:17,019 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:36:17,019 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_7b8b9b83-ce84-455a-a467-03d80524eb04/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b9b83-ce84-455a-a467-03d80524eb04/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a80d5d6260f748dd9867d7bcd6f4a93a5987d3d416867522c1bef6a78e755228 [2023-11-19 07:36:17,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:36:17,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:36:17,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:36:17,375 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:36:17,376 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:36:17,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b9b83-ce84-455a-a467-03d80524eb04/bin/uautomizer-verify-uCwYo4JHxu/../../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 [2023-11-19 07:36:20,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:36:21,107 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:36:21,110 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b9b83-ce84-455a-a467-03d80524eb04/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 [2023-11-19 07:36:21,161 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b9b83-ce84-455a-a467-03d80524eb04/bin/uautomizer-verify-uCwYo4JHxu/data/e93eabd59/44aa585546cc42b89f58a919bb1580a7/FLAGd9d044bc1 [2023-11-19 07:36:21,183 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b9b83-ce84-455a-a467-03d80524eb04/bin/uautomizer-verify-uCwYo4JHxu/data/e93eabd59/44aa585546cc42b89f58a919bb1580a7 [2023-11-19 07:36:21,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:36:21,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:36:21,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:21,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:36:21,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:36:21,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:21" (1/1) ... [2023-11-19 07:36:21,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd40a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:21, skipping insertion in model container [2023-11-19 07:36:21,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:21" (1/1) ... [2023-11-19 07:36:21,373 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:36:23,214 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_7b8b9b83-ce84-455a-a467-03d80524eb04/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] [2023-11-19 07:36:23,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:23,339 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:36:23,480 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] [2023-11-19 07:36:23,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4392] [2023-11-19 07:36:23,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4395] [2023-11-19 07:36:23,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4398] [2023-11-19 07:36:23,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4401] [2023-11-19 07:36:23,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [4688] [2023-11-19 07:36:23,587 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] [2023-11-19 07:36:23,588 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] [2023-11-19 07:36:23,588 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] [2023-11-19 07:36:23,588 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] [2023-11-19 07:36:23,669 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_7b8b9b83-ce84-455a-a467-03d80524eb04/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] [2023-11-19 07:36:23,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:23,807 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:36:23,808 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:36:23,808 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:36:23,816 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:36:23,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:23 WrapperNode [2023-11-19 07:36:23,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:23,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:23,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:36:23,820 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:36:23,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:23" (1/1) ... [2023-11-19 07:36:23,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:23" (1/1) ... [2023-11-19 07:36:24,116 INFO L138 Inliner]: procedures = 210, calls = 1476, calls flagged for inlining = 106, calls inlined = 106, statements flattened = 3630 [2023-11-19 07:36:24,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:24,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:36:24,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:36:24,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:36:24,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:23" (1/1) ... [2023-11-19 07:36:24,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:23" (1/1) ... [2023-11-19 07:36:24,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:23" (1/1) ... [2023-11-19 07:36:24,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:23" (1/1) ... [2023-11-19 07:36:24,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:23" (1/1) ... [2023-11-19 07:36:24,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:23" (1/1) ... [2023-11-19 07:36:24,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:23" (1/1) ... [2023-11-19 07:36:24,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:23" (1/1) ... [2023-11-19 07:36:24,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:36:24,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:36:24,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:36:24,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:36:24,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:23" (1/1) ... [2023-11-19 07:36:24,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:24,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b9b83-ce84-455a-a467-03d80524eb04/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:24,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b9b83-ce84-455a-a467-03d80524eb04/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:24,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b9b83-ce84-455a-a467-03d80524eb04/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:36:24,549 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_fe_init [2023-11-19 07:36:24,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_fe_init [2023-11-19 07:36:24,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2023-11-19 07:36:24,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2023-11-19 07:36:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-19 07:36:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-19 07:36:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:36:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:36:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 07:36:24,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 07:36:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:36:24,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:36:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:36:24,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:36:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure wait_i2c_result [2023-11-19 07:36:24,553 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_i2c_result [2023-11-19 07:36:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2023-11-19 07:36:24,553 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2023-11-19 07:36:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 07:36:24,553 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 07:36:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:36:24,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:36:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_stop_streaming [2023-11-19 07:36:24,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_stop_streaming [2023-11-19 07:36:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-19 07:36:24,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-19 07:36:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-19 07:36:24,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-19 07:36:24,555 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2023-11-19 07:36:24,555 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2023-11-19 07:36:24,555 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2023-11-19 07:36:24,555 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2023-11-19 07:36:24,555 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_lnb_ctrl [2023-11-19 07:36:24,555 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_lnb_ctrl [2023-11-19 07:36:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:36:24,556 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:36:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:36:24,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:36:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:36:24,556 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:36:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2023-11-19 07:36:24,557 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2023-11-19 07:36:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_free_dmabuf [2023-11-19 07:36:24,557 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_free_dmabuf [2023-11-19 07:36:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-19 07:36:24,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-19 07:36:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_alloc_dmabuf [2023-11-19 07:36:24,557 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_alloc_dmabuf [2023-11-19 07:36:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:36:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-11-19 07:36:24,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-11-19 07:36:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:36:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 07:36:24,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 07:36:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 07:36:24,558 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 07:36:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:36:24,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:36:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_device [2023-11-19 07:36:24,559 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_device [2023-11-19 07:36:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-19 07:36:24,559 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-19 07:36:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:36:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:36:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2023-11-19 07:36:24,560 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2023-11-19 07:36:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_base [2023-11-19 07:36:24,560 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_base [2023-11-19 07:36:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 07:36:24,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 07:36:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 07:36:24,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 07:36:24,561 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:36:24,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:36:24,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:36:24,561 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_resume [2023-11-19 07:36:24,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_resume [2023-11-19 07:36:24,561 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 07:36:24,561 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 07:36:24,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:36:24,562 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 07:36:24,562 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 07:36:24,562 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_demod_write [2023-11-19 07:36:24,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_demod_write [2023-11-19 07:36:24,562 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-19 07:36:24,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-19 07:36:24,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:36:24,563 INFO L130 BoogieDeclarations]: Found specification of procedure send_i2c_cmd [2023-11-19 07:36:24,563 INFO L138 BoogieDeclarations]: Found implementation of procedure send_i2c_cmd [2023-11-19 07:36:24,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:36:24,563 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:36:24,563 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_swfilter_packets [2023-11-19 07:36:24,563 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_swfilter_packets [2023-11-19 07:36:24,563 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:36:24,564 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:36:24,564 INFO L130 BoogieDeclarations]: Found specification of procedure cmdbuf_add [2023-11-19 07:36:24,564 INFO L138 BoogieDeclarations]: Found implementation of procedure cmdbuf_add [2023-11-19 07:36:24,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:36:24,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 07:36:24,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 07:36:24,564 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_stop_dma [2023-11-19 07:36:24,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_stop_dma [2023-11-19 07:36:24,564 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 07:36:24,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 07:36:24,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:36:24,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:36:24,565 INFO L130 BoogieDeclarations]: Found specification of procedure put_byte_write [2023-11-19 07:36:24,565 INFO L138 BoogieDeclarations]: Found implementation of procedure put_byte_write [2023-11-19 07:36:24,565 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_coherent_mask [2023-11-19 07:36:24,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_coherent_mask [2023-11-19 07:36:24,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:36:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:36:24,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:36:24,567 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_set_tuner_power [2023-11-19 07:36:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_set_tuner_power [2023-11-19 07:36:24,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:36:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2023-11-19 07:36:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2023-11-19 07:36:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:36:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:36:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_suspend [2023-11-19 07:36:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_suspend [2023-11-19 07:36:24,569 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:36:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:36:24,569 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_start_dma [2023-11-19 07:36:24,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_start_dma [2023-11-19 07:36:24,571 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_find_adapter [2023-11-19 07:36:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_find_adapter [2023-11-19 07:36:24,571 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 07:36:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 07:36:24,571 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_init_dmabuf [2023-11-19 07:36:24,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_init_dmabuf [2023-11-19 07:36:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2023-11-19 07:36:24,572 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2023-11-19 07:36:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-19 07:36:24,573 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-19 07:36:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2023-11-19 07:36:24,573 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2023-11-19 07:36:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_cleanup_adapter [2023-11-19 07:36:24,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_cleanup_adapter [2023-11-19 07:36:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 07:36:24,575 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 07:36:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:36:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:36:24,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:36:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:36:24,580 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:36:25,267 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:36:25,272 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:36:25,927 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:36:39,259 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:36:39,287 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:36:39,288 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:36:39,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:39 BoogieIcfgContainer [2023-11-19 07:36:39,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:36:39,304 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:36:39,305 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:36:39,308 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:36:39,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:36:21" (1/3) ... [2023-11-19 07:36:39,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56574c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:39, skipping insertion in model container [2023-11-19 07:36:39,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:23" (2/3) ... [2023-11-19 07:36:39,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56574c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:39, skipping insertion in model container [2023-11-19 07:36:39,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:39" (3/3) ... [2023-11-19 07:36:39,313 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 [2023-11-19 07:36:39,335 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:36:39,335 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:36:39,424 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:36:39,432 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;@4e8cbebc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:36:39,432 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:36:39,443 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) [2023-11-19 07:36:39,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 07:36:39,456 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:39,457 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] [2023-11-19 07:36:39,457 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:39,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:39,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1665483430, now seen corresponding path program 1 times [2023-11-19 07:36:39,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:39,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815749097] [2023-11-19 07:36:39,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:39,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:40,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:36:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:40,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:40,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:36:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:40,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:36:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:40,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:40,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:36:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:40,432 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 07:36:40,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:40,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815749097] [2023-11-19 07:36:40,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815749097] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:36:40,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:36:40,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:36:40,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551388666] [2023-11-19 07:36:40,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:40,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:36:40,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:40,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:36:40,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:36:40,480 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) [2023-11-19 07:36:45,381 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 [] [2023-11-19 07:36:47,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:36:50,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:36:52,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:36:54,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:36:56,231 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 [] [2023-11-19 07:36:56,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:36:56,626 INFO L93 Difference]: Finished difference Result 2286 states and 3334 transitions. [2023-11-19 07:36:56,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:36:56,628 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 [2023-11-19 07:36:56,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:36:56,660 INFO L225 Difference]: With dead ends: 2286 [2023-11-19 07:36:56,661 INFO L226 Difference]: Without dead ends: 1189 [2023-11-19 07:36:56,694 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 [2023-11-19 07:36:56,698 INFO L413 NwaCegarLoop]: 1312 mSDtfsCounter, 334 mSDsluCounter, 1559 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 235 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 2871 SdHoareTripleChecker+Invalid, 1203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:36:56,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 2871 Invalid, 1203 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [235 Valid, 962 Invalid, 6 Unknown, 0 Unchecked, 15.9s Time] [2023-11-19 07:36:56,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2023-11-19 07:36:56,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1078. [2023-11-19 07:36:56,827 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) [2023-11-19 07:36:56,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1519 transitions. [2023-11-19 07:36:56,843 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1519 transitions. Word has length 51 [2023-11-19 07:36:56,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:36:56,843 INFO L495 AbstractCegarLoop]: Abstraction has 1078 states and 1519 transitions. [2023-11-19 07:36:56,844 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) [2023-11-19 07:36:56,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1519 transitions. [2023-11-19 07:36:56,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 07:36:56,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:36:56,848 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] [2023-11-19 07:36:56,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:36:56,848 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:36:56,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:56,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1123663062, now seen corresponding path program 1 times [2023-11-19 07:36:56,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:56,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365373831] [2023-11-19 07:36:56,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:56,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:57,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:36:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:57,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:57,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:36:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:57,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:36:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:57,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:36:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:57,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:36:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:57,461 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 07:36:57,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:57,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365373831] [2023-11-19 07:36:57,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365373831] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:36:57,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:36:57,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:36:57,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673933354] [2023-11-19 07:36:57,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:57,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:36:57,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:57,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:36:57,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:36:57,466 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) [2023-11-19 07:37:03,879 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 [] [2023-11-19 07:37:05,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:37:08,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:37:10,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:37:12,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:37:14,630 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 []