./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.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_9afb45ae-4292-4ff4-a19a-f258df54b2e2/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afb45ae-4292-4ff4-a19a-f258df54b2e2/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_9afb45ae-4292-4ff4-a19a-f258df54b2e2/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afb45ae-4292-4ff4-a19a-f258df54b2e2/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afb45ae-4292-4ff4-a19a-f258df54b2e2/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_9afb45ae-4292-4ff4-a19a-f258df54b2e2/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 1dadd209c6e3ebdaafa15f295f1ec8ec38d24c8a1f9b514f05808fa8c7c3e21c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:32:08,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:32:08,896 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afb45ae-4292-4ff4-a19a-f258df54b2e2/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:32:08,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:32:08,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:32:08,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:32:08,928 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:32:08,929 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:32:08,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:32:08,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:32:08,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:32:08,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:32:08,932 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:32:08,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:32:08,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:32:08,934 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:32:08,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:32:08,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:32:08,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:32:08,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:32:08,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:32:08,943 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:32:08,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:32:08,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:32:08,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:32:08,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:08,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:32:08,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:32:08,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:32:08,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:32:08,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:32:08,948 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:32:08,948 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:32:08,949 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:32:08,949 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:32:08,949 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:32:08,949 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_9afb45ae-4292-4ff4-a19a-f258df54b2e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afb45ae-4292-4ff4-a19a-f258df54b2e2/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dadd209c6e3ebdaafa15f295f1ec8ec38d24c8a1f9b514f05808fa8c7c3e21c [2023-11-12 02:32:09,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:32:09,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:32:09,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:32:09,280 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:32:09,281 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:32:09,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afb45ae-4292-4ff4-a19a-f258df54b2e2/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i [2023-11-12 02:32:12,278 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:32:12,955 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:32:12,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afb45ae-4292-4ff4-a19a-f258df54b2e2/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i [2023-11-12 02:32:13,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afb45ae-4292-4ff4-a19a-f258df54b2e2/bin/uautomizer-verify-uTZkv6EMXl/data/0525f2b18/1e05baae35bb44d4ad4e382ba00ec24a/FLAG137142de4 [2023-11-12 02:32:13,030 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afb45ae-4292-4ff4-a19a-f258df54b2e2/bin/uautomizer-verify-uTZkv6EMXl/data/0525f2b18/1e05baae35bb44d4ad4e382ba00ec24a [2023-11-12 02:32:13,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:32:13,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:32:13,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:13,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:32:13,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:32:13,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:13" (1/1) ... [2023-11-12 02:32:13,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2368fa16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:13, skipping insertion in model container [2023-11-12 02:32:13,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:13" (1/1) ... [2023-11-12 02:32:13,192 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:32:14,519 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_9afb45ae-4292-4ff4-a19a-f258df54b2e2/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i[117505,117518] [2023-11-12 02:32:15,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:15,460 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:32:15,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [3743] [2023-11-12 02:32:15,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [3750] [2023-11-12 02:32:15,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3774] [2023-11-12 02:32:15,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3793] [2023-11-12 02:32:15,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3796] [2023-11-12 02:32:15,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3799] [2023-11-12 02:32:15,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3802] [2023-11-12 02:32:15,604 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_9afb45ae-4292-4ff4-a19a-f258df54b2e2/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i[117505,117518] [2023-11-12 02:32:15,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4544] [2023-11-12 02:32:15,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4548] [2023-11-12 02:32:15,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [4628-4629] [2023-11-12 02:32:15,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [4633-4634] [2023-11-12 02:32:15,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [4638-4639] [2023-11-12 02:32:15,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___8->state): : "memory", "cc"); [4643-4644] [2023-11-12 02:32:15,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5291] [2023-11-12 02:32:15,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:16,012 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:16,012 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:16,020 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:32:16,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:16 WrapperNode [2023-11-12 02:32:16,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:16,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:16,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:32:16,023 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:32:16,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:16" (1/1) ... [2023-11-12 02:32:16,119 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:16" (1/1) ... [2023-11-12 02:32:16,344 INFO L138 Inliner]: procedures = 229, calls = 2652, calls flagged for inlining = 103, calls inlined = 100, statements flattened = 5468 [2023-11-12 02:32:16,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:16,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:32:16,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:32:16,346 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:32:16,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:16" (1/1) ... [2023-11-12 02:32:16,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:16" (1/1) ... [2023-11-12 02:32:16,416 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:16" (1/1) ... [2023-11-12 02:32:16,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:16" (1/1) ... [2023-11-12 02:32:16,707 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:16" (1/1) ... [2023-11-12 02:32:16,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:16" (1/1) ... [2023-11-12 02:32:16,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:16" (1/1) ... [2023-11-12 02:32:16,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:16" (1/1) ... [2023-11-12 02:32:16,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:32:16,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:32:16,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:32:16,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:32:16,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:16" (1/1) ... [2023-11-12 02:32:16,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:16,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afb45ae-4292-4ff4-a19a-f258df54b2e2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:16,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afb45ae-4292-4ff4-a19a-f258df54b2e2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:32:16,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9afb45ae-4292-4ff4-a19a-f258df54b2e2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:32:16,989 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-12 02:32:16,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-12 02:32:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-12 02:32:16,990 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-12 02:32:16,990 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-12 02:32:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:32:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:32:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:32:16,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:32:16,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-11-12 02:32:16,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-11-12 02:32:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_rel [2023-11-12 02:32:16,993 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_rel [2023-11-12 02:32:16,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_26 [2023-11-12 02:32:16,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_26 [2023-11-12 02:32:16,994 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-12 02:32:16,994 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-12 02:32:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2023-11-12 02:32:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2023-11-12 02:32:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:32:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:32:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-11-12 02:32:16,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-11-12 02:32:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2023-11-12 02:32:16,999 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2023-11-12 02:32:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-11-12 02:32:16,999 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-11-12 02:32:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 02:32:16,999 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 02:32:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:32:17,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:32:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2023-11-12 02:32:17,000 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2023-11-12 02:32:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2023-11-12 02:32:17,000 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2023-11-12 02:32:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure rc_g_keycode_from_table [2023-11-12 02:32:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_g_keycode_from_table [2023-11-12 02:32:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:32:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:32:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-11-12 02:32:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-11-12 02:32:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:32:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:32:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:32:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-11-12 02:32:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-11-12 02:32:17,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_10 [2023-11-12 02:32:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_10 [2023-11-12 02:32:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:32:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2023-11-12 02:32:17,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2023-11-12 02:32:17,003 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2023-11-12 02:32:17,004 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2023-11-12 02:32:17,004 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:32:17,005 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:32:17,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2023-11-12 02:32:17,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2023-11-12 02:32:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:32:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:32:17,006 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:32:17,007 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:32:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 02:32:17,007 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 02:32:17,007 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2023-11-12 02:32:17,008 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2023-11-12 02:32:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 02:32:17,008 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 02:32:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 02:32:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 02:32:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 02:32:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 02:32:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 02:32:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 02:32:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2023-11-12 02:32:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2023-11-12 02:32:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf1 [2023-11-12 02:32:17,010 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf1 [2023-11-12 02:32:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf0 [2023-11-12 02:32:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf0 [2023-11-12 02:32:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-11-12 02:32:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-11-12 02:32:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:32:17,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 02:32:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 02:32:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-12 02:32:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-12 02:32:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2023-11-12 02:32:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2023-11-12 02:32:17,012 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-12 02:32:17,012 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-12 02:32:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:32:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 02:32:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 02:32:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2023-11-12 02:32:17,013 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2023-11-12 02:32:17,013 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-11-12 02:32:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-11-12 02:32:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:32:17,014 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-11-12 02:32:17,014 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-11-12 02:32:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_7 [2023-11-12 02:32:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_7 [2023-11-12 02:32:17,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:32:17,015 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:32:17,016 INFO L130 BoogieDeclarations]: Found specification of procedure lcd_write [2023-11-12 02:32:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure lcd_write [2023-11-12 02:32:17,016 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-12 02:32:17,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-12 02:32:17,017 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-12 02:32:17,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-12 02:32:17,017 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:32:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:32:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:32:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2023-11-12 02:32:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2023-11-12 02:32:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-12 02:32:17,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-12 02:32:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-11-12 02:32:17,019 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-11-12 02:32:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-11-12 02:32:17,019 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-11-12 02:32:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure imon_incoming_packet [2023-11-12 02:32:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_incoming_packet [2023-11-12 02:32:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:32:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:32:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure imon_remote_key_lookup [2023-11-12 02:32:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_remote_key_lookup [2023-11-12 02:32:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:32:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-11-12 02:32:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-11-12 02:32:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure tv2int [2023-11-12 02:32:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure tv2int [2023-11-12 02:32:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure stabilize [2023-11-12 02:32:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure stabilize [2023-11-12 02:32:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2023-11-12 02:32:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2023-11-12 02:32:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_6 [2023-11-12 02:32:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_6 [2023-11-12 02:32:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-12 02:32:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-12 02:32:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:32:17,028 INFO L130 BoogieDeclarations]: Found specification of procedure vfd_write [2023-11-12 02:32:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure vfd_write [2023-11-12 02:32:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 02:32:17,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 02:32:17,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:32:17,030 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2023-11-12 02:32:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2023-11-12 02:32:17,031 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 02:32:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-11-12 02:32:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-11-12 02:32:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2023-11-12 02:32:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2023-11-12 02:32:17,037 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:32:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:32:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2023-11-12 02:32:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2023-11-12 02:32:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2023-11-12 02:32:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2023-11-12 02:32:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-11-12 02:32:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-11-12 02:32:17,039 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2023-11-12 02:32:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2023-11-12 02:32:17,039 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2023-11-12 02:32:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2023-11-12 02:32:17,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-11-12 02:32:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-11-12 02:32:17,040 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-12 02:32:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-12 02:32:17,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:32:17,040 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-12 02:32:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-12 02:32:17,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:32:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:32:17,776 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:32:17,780 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:32:25,186 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:32:40,512 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-11-12 02:32:45,181 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:32:45,211 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:32:45,211 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 02:32:45,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:45 BoogieIcfgContainer [2023-11-12 02:32:45,217 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:32:45,220 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:32:45,220 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:32:45,224 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:32:45,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:32:13" (1/3) ... [2023-11-12 02:32:45,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412ff746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:32:45, skipping insertion in model container [2023-11-12 02:32:45,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:16" (2/3) ... [2023-11-12 02:32:45,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412ff746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:32:45, skipping insertion in model container [2023-11-12 02:32:45,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:45" (3/3) ... [2023-11-12 02:32:45,230 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--rc--imon.ko-entry_point.cil.out.i [2023-11-12 02:32:45,251 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:32:45,252 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:32:45,356 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:32:45,364 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;@285fde29, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:32:45,364 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:32:45,377 INFO L276 IsEmpty]: Start isEmpty. Operand has 1753 states, 1276 states have (on average 1.3981191222570533) internal successors, (1784), 1307 states have internal predecessors, (1784), 399 states have call successors, (399), 78 states have call predecessors, (399), 76 states have return successors, (390), 385 states have call predecessors, (390), 390 states have call successors, (390) [2023-11-12 02:32:45,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-12 02:32:45,397 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:45,398 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:32:45,399 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:45,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:45,405 INFO L85 PathProgramCache]: Analyzing trace with hash -906603084, now seen corresponding path program 1 times [2023-11-12 02:32:45,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:45,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20553583] [2023-11-12 02:32:45,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:45,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:46,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:32:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:46,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:32:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:46,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:32:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-12 02:32:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:46,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-12 02:32:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:46,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:32:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:46,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:32:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:46,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-12 02:32:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:46,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:32:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:46,702 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-12 02:32:46,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:46,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20553583] [2023-11-12 02:32:46,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20553583] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:46,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:46,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:32:46,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655828692] [2023-11-12 02:32:46,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:46,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:32:46,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:46,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:32:46,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:32:46,774 INFO L87 Difference]: Start difference. First operand has 1753 states, 1276 states have (on average 1.3981191222570533) internal successors, (1784), 1307 states have internal predecessors, (1784), 399 states have call successors, (399), 78 states have call predecessors, (399), 76 states have return successors, (390), 385 states have call predecessors, (390), 390 states have call successors, (390) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-12 02:32:49,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:32:51,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:32:53,225 WARN L539 Checker$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 02:32:54,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:32:56,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:32:59,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:33:04,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:33:07,993 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 []