./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB --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 4230dcd825d3a8c4f2993182656471f5db1d08c7b5deb32f72a092968196ad9c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:12:51,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:12:51,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 20:12:51,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:12:51,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:12:51,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:12:51,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:12:51,190 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:12:51,191 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:12:51,191 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:12:51,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:12:51,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:12:51,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:12:51,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:12:51,194 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:12:51,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:12:51,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:12:51,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:12:51,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:12:51,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:12:51,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:12:51,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:12:51,195 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:12:51,195 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:12:51,196 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:12:51,196 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:12:51,196 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:12:51,196 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:12:51,196 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:12:51,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:12:51,196 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:12:51,196 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:12:51,196 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:12:51,196 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:12:51,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:12:51,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:12:51,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:12:51,197 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:12:51,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:12:51,197 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:12:51,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:12:51,197 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:12:51,197 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:12:51,198 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:12:51,198 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:12:51,198 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 4230dcd825d3a8c4f2993182656471f5db1d08c7b5deb32f72a092968196ad9c [2024-11-27 20:12:51,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:12:51,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:12:51,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:12:51,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:12:51,629 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:12:51,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2024-11-27 20:12:55,107 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/data/147f586eb/2a361277810e4274a455dae0530d5856/FLAG2400591c1 [2024-11-27 20:12:56,001 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:12:56,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2024-11-27 20:12:56,068 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/data/147f586eb/2a361277810e4274a455dae0530d5856/FLAG2400591c1 [2024-11-27 20:12:56,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/data/147f586eb/2a361277810e4274a455dae0530d5856 [2024-11-27 20:12:56,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:12:56,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:12:56,100 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:12:56,100 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:12:56,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:12:56,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:12:56" (1/1) ... [2024-11-27 20:12:56,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7de89cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:56, skipping insertion in model container [2024-11-27 20:12:56,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:12:56" (1/1) ... [2024-11-27 20:12:56,281 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:12:58,488 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i[256140,256153] [2024-11-27 20:12:58,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:12:58,691 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:12:58,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5350] [2024-11-27 20:12:58,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5357] [2024-11-27 20:12:58,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5364] [2024-11-27 20:12:58,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/076166e/linux-drivers-clk1/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5404-5405] [2024-11-27 20:12:58,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5410-5412] [2024-11-27 20:12:59,271 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i[256140,256153] [2024-11-27 20:12:59,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:12:59,476 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:12:59,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:59 WrapperNode [2024-11-27 20:12:59,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:12:59,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:12:59,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:12:59,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:12:59,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:59" (1/1) ... [2024-11-27 20:12:59,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:59" (1/1) ... [2024-11-27 20:12:59,987 INFO L138 Inliner]: procedures = 287, calls = 1938, calls flagged for inlining = 172, calls inlined = 168, statements flattened = 4978 [2024-11-27 20:12:59,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:12:59,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:12:59,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:12:59,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:13:00,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:59" (1/1) ... [2024-11-27 20:13:00,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:59" (1/1) ... [2024-11-27 20:13:00,102 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:59" (1/1) ... [2024-11-27 20:13:01,076 INFO L175 MemorySlicer]: Split 1297 memory accesses to 22 slices as follows [8, 3, 40, 12, 12, 8, 2, 8, 1, 1, 3, 28, 4, 4, 3, 2, 1127, 7, 11, 1, 10, 2]. 87 percent of accesses are in the largest equivalence class. The 728 initializations are split as follows [8, 0, 0, 12, 0, 8, 0, 8, 0, 0, 3, 0, 0, 0, 0, 0, 686, 0, 0, 1, 0, 2]. The 278 writes are split as follows [0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 28, 0, 0, 2, 1, 237, 6, 1, 0, 2, 0]. [2024-11-27 20:13:01,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:59" (1/1) ... [2024-11-27 20:13:01,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:59" (1/1) ... [2024-11-27 20:13:01,235 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:59" (1/1) ... [2024-11-27 20:13:01,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:59" (1/1) ... [2024-11-27 20:13:01,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:59" (1/1) ... [2024-11-27 20:13:01,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:59" (1/1) ... [2024-11-27 20:13:01,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:59" (1/1) ... [2024-11-27 20:13:01,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:13:01,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:13:01,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:13:01,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:13:01,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:59" (1/1) ... [2024-11-27 20:13:01,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:13:01,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:13:01,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:13:01,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:13:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-27 20:13:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-27 20:13:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-27 20:13:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-27 20:13:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-27 20:13:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-27 20:13:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-27 20:13:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-27 20:13:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-27 20:13:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-27 20:13:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-27 20:13:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-27 20:13:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-27 20:13:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-27 20:13:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-27 20:13:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-27 20:13:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-27 20:13:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-27 20:13:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-27 20:13:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-27 20:13:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-27 20:13:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-27 20:13:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 20:13:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 20:13:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 20:13:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 20:13:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 20:13:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 20:13:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 20:13:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 20:13:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 20:13:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 20:13:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 20:13:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-27 20:13:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-27 20:13:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-27 20:13:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-27 20:13:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-27 20:13:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-27 20:13:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-27 20:13:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-27 20:13:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-27 20:13:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-27 20:13:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-27 20:13:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-27 20:13:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-27 20:13:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-27 20:13:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-27 20:13:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-27 20:13:01,614 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-27 20:13:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2024-11-27 20:13:01,614 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2024-11-27 20:13:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 20:13:01,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 20:13:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open_clean [2024-11-27 20:13:01,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open_clean [2024-11-27 20:13:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-27 20:13:01,615 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-27 20:13:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure devm_regulator_get [2024-11-27 20:13:01,615 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_regulator_get [2024-11-27 20:13:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-27 20:13:01,616 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-27 20:13:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_spi_trans [2024-11-27 20:13:01,616 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_spi_trans [2024-11-27 20:13:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2024-11-27 20:13:01,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2024-11-27 20:13:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_read_reg [2024-11-27 20:13:01,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_read_reg [2024-11-27 20:13:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:13:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-27 20:13:01,617 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-27 20:13:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 20:13:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 20:13:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 20:13:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 20:13:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 20:13:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 20:13:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 20:13:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 20:13:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 20:13:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 20:13:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 20:13:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-27 20:13:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-27 20:13:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-27 20:13:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-27 20:13:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-27 20:13:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-27 20:13:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-27 20:13:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-27 20:13:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-27 20:13:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-27 20:13:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-27 20:13:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-27 20:13:01,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-27 20:13:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_stop [2024-11-27 20:13:01,620 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_stop [2024-11-27 20:13:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_bits [2024-11-27 20:13:01,621 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_bits [2024-11-27 20:13:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-27 20:13:01,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-27 20:13:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2024-11-27 20:13:01,621 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2024-11-27 20:13:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2024-11-27 20:13:01,621 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2024-11-27 20:13:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:13:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 20:13:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 20:13:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 20:13:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 20:13:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 20:13:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 20:13:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-27 20:13:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-27 20:13:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-27 20:13:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-27 20:13:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-27 20:13:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-27 20:13:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-27 20:13:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-27 20:13:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-27 20:13:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-27 20:13:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-27 20:13:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-27 20:13:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-27 20:13:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-27 20:13:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-27 20:13:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-27 20:13:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2024-11-27 20:13:01,624 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2024-11-27 20:13:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2024-11-27 20:13:01,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2024-11-27 20:13:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-27 20:13:01,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-27 20:13:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-27 20:13:01,625 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-27 20:13:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-27 20:13:01,625 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-27 20:13:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-27 20:13:01,625 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-27 20:13:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2024-11-27 20:13:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2024-11-27 20:13:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-27 20:13:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-27 20:13:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-27 20:13:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-27 20:13:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2024-11-27 20:13:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2024-11-27 20:13:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-27 20:13:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-27 20:13:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2024-11-27 20:13:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2024-11-27 20:13:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-27 20:13:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-27 20:13:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-27 20:13:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-27 20:13:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-27 20:13:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-27 20:13:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-27 20:13:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-27 20:13:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-27 20:13:01,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-27 20:13:01,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-27 20:13:01,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-27 20:13:01,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-27 20:13:01,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-27 20:13:01,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-27 20:13:01,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-27 20:13:01,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-27 20:13:01,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-27 20:13:01,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-27 20:13:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-27 20:13:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-27 20:13:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-27 20:13:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_set_normal_mode [2024-11-27 20:13:01,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_set_normal_mode [2024-11-27 20:13:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-27 20:13:01,630 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-27 20:13:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_remove [2024-11-27 20:13:01,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_remove [2024-11-27 20:13:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 20:13:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 20:13:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 20:13:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 20:13:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 20:13:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 20:13:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 20:13:01,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 20:13:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 20:13:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 20:13:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 20:13:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-27 20:13:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-27 20:13:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-27 20:13:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-27 20:13:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-27 20:13:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-27 20:13:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-27 20:13:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-27 20:13:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-27 20:13:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-27 20:13:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-27 20:13:01,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-27 20:13:01,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-27 20:13:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-27 20:13:01,632 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-27 20:13:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_error_skb [2024-11-27 20:13:01,632 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_error_skb [2024-11-27 20:13:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_sleep [2024-11-27 20:13:01,632 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_sleep [2024-11-27 20:13:01,632 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-27 20:13:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-27 20:13:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:13:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 20:13:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 20:13:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 20:13:01,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 20:13:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 20:13:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 20:13:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 20:13:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 20:13:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 20:13:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 20:13:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 20:13:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 20:13:01,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-27 20:13:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-27 20:13:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-27 20:13:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-27 20:13:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-27 20:13:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-27 20:13:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-27 20:13:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-27 20:13:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-27 20:13:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_clean [2024-11-27 20:13:01,636 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_clean [2024-11-27 20:13:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_disable [2024-11-27 20:13:01,636 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_disable [2024-11-27 20:13:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-27 20:13:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-27 20:13:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-27 20:13:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-27 20:13:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-27 20:13:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-27 20:13:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-27 20:13:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-27 20:13:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-27 20:13:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-27 20:13:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-27 20:13:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-27 20:13:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-27 20:13:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-27 20:13:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-27 20:13:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-27 20:13:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-27 20:13:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-27 20:13:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-27 20:13:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-27 20:13:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-27 20:13:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-27 20:13:01,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-27 20:13:01,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-27 20:13:01,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-27 20:13:01,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-27 20:13:01,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-27 20:13:01,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-27 20:13:01,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-27 20:13:01,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-27 20:13:01,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-27 20:13:01,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-27 20:13:01,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-27 20:13:01,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-27 20:13:01,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-27 20:13:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-27 20:13:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-27 20:13:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-27 20:13:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-27 20:13:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-27 20:13:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-27 20:13:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-27 20:13:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-27 20:13:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-27 20:13:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2024-11-27 20:13:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2024-11-27 20:13:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-27 20:13:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-27 20:13:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_power_enable [2024-11-27 20:13:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_power_enable [2024-11-27 20:13:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_suspend [2024-11-27 20:13:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_suspend [2024-11-27 20:13:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:13:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 20:13:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 20:13:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 20:13:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 20:13:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 20:13:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 20:13:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 20:13:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 20:13:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 20:13:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 20:13:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 20:13:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 20:13:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-27 20:13:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-27 20:13:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-27 20:13:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-27 20:13:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-27 20:13:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-27 20:13:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-27 20:13:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-27 20:13:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-27 20:13:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open [2024-11-27 20:13:01,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open [2024-11-27 20:13:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_probe [2024-11-27 20:13:01,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_probe [2024-11-27 20:13:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-27 20:13:01,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-27 20:13:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_resume [2024-11-27 20:13:01,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_resume [2024-11-27 20:13:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:13:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_reset [2024-11-27 20:13:01,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_reset [2024-11-27 20:13:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:13:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-27 20:13:01,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-27 20:13:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-27 20:13:01,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-27 20:13:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 20:13:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 20:13:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 20:13:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 20:13:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 20:13:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 20:13:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 20:13:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 20:13:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 20:13:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 20:13:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 20:13:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-27 20:13:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-27 20:13:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-27 20:13:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-27 20:13:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-27 20:13:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-27 20:13:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-27 20:13:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-27 20:13:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-27 20:13:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-27 20:13:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-27 20:13:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2024-11-27 20:13:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2024-11-27 20:13:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 20:13:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 20:13:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-27 20:13:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-27 20:13:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2024-11-27 20:13:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2024-11-27 20:13:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-27 20:13:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-27 20:13:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_setup [2024-11-27 20:13:01,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_setup [2024-11-27 20:13:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-27 20:13:01,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-27 20:13:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2024-11-27 20:13:01,650 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2024-11-27 20:13:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-27 20:13:01,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-27 20:13:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-27 20:13:01,653 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-27 20:13:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_rx [2024-11-27 20:13:01,653 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_rx [2024-11-27 20:13:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_is_2510 [2024-11-27 20:13:01,653 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_is_2510 [2024-11-27 20:13:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-27 20:13:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-27 20:13:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-27 20:13:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2024-11-27 20:13:01,655 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2024-11-27 20:13:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_reg [2024-11-27 20:13:01,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_reg [2024-11-27 20:13:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2024-11-27 20:13:01,655 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2024-11-27 20:13:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-27 20:13:01,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-27 20:13:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:13:01,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:13:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-27 20:13:01,655 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-27 20:13:03,052 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:13:03,056 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:13:04,476 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-27 20:13:17,993 INFO L? ?]: Removed 2252 outVars from TransFormulas that were not future-live. [2024-11-27 20:13:17,993 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:13:18,063 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:13:18,063 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 20:13:18,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:13:18 BoogieIcfgContainer [2024-11-27 20:13:18,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:13:18,066 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:13:18,066 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:13:18,071 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:13:18,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:12:56" (1/3) ... [2024-11-27 20:13:18,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd0b002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:13:18, skipping insertion in model container [2024-11-27 20:13:18,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:59" (2/3) ... [2024-11-27 20:13:18,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd0b002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:13:18, skipping insertion in model container [2024-11-27 20:13:18,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:13:18" (3/3) ... [2024-11-27 20:13:18,078 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2024-11-27 20:13:18,097 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:13:18,100 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i that has 92 procedures, 1545 locations, 1 initial locations, 45 loop locations, and 1 error locations. [2024-11-27 20:13:18,243 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:13:18,263 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@57b5ff02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:13:18,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:13:18,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 1439 states, 1038 states have (on average 1.302504816955684) internal successors, (1352), 1075 states have internal predecessors, (1352), 330 states have call successors, (330), 70 states have call predecessors, (330), 69 states have return successors, (323), 316 states have call predecessors, (323), 323 states have call successors, (323) [2024-11-27 20:13:18,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-27 20:13:18,290 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:18,291 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:18,292 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:18,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:18,299 INFO L85 PathProgramCache]: Analyzing trace with hash 839721544, now seen corresponding path program 1 times [2024-11-27 20:13:18,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:18,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538699251] [2024-11-27 20:13:18,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:18,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:29,056 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-27 20:13:29,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:29,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538699251] [2024-11-27 20:13:29,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538699251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:29,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:13:29,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:13:29,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867623308] [2024-11-27 20:13:29,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:29,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:13:29,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:29,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:13:29,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:13:29,094 INFO L87 Difference]: Start difference. First operand has 1439 states, 1038 states have (on average 1.302504816955684) internal successors, (1352), 1075 states have internal predecessors, (1352), 330 states have call successors, (330), 70 states have call predecessors, (330), 69 states have return successors, (323), 316 states have call predecessors, (323), 323 states have call successors, (323) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 20:13:29,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:29,831 INFO L93 Difference]: Finished difference Result 4273 states and 6084 transitions. [2024-11-27 20:13:29,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:13:29,835 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2024-11-27 20:13:29,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:29,911 INFO L225 Difference]: With dead ends: 4273 [2024-11-27 20:13:29,911 INFO L226 Difference]: Without dead ends: 2831 [2024-11-27 20:13:29,937 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:13:29,940 INFO L435 NwaCegarLoop]: 2280 mSDtfsCounter, 1986 mSDsluCounter, 6510 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 8790 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:29,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1987 Valid, 8790 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:13:29,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2024-11-27 20:13:30,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2829. [2024-11-27 20:13:30,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2829 states, 2052 states have (on average 1.280214424951267) internal successors, (2627), 2114 states have internal predecessors, (2627), 640 states have call successors, (640), 139 states have call predecessors, (640), 136 states have return successors, (676), 620 states have call predecessors, (676), 634 states have call successors, (676) [2024-11-27 20:13:30,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 2829 states and 3943 transitions. [2024-11-27 20:13:30,321 INFO L78 Accepts]: Start accepts. Automaton has 2829 states and 3943 transitions. Word has length 48 [2024-11-27 20:13:30,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:30,325 INFO L471 AbstractCegarLoop]: Abstraction has 2829 states and 3943 transitions. [2024-11-27 20:13:30,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 20:13:30,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2829 states and 3943 transitions. [2024-11-27 20:13:30,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-27 20:13:30,329 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:30,330 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:30,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:13:30,330 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:30,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:30,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1083051575, now seen corresponding path program 1 times [2024-11-27 20:13:30,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:30,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818878163] [2024-11-27 20:13:30,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:30,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:37,862 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-27 20:13:37,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:37,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818878163] [2024-11-27 20:13:37,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818878163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:37,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:13:37,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:13:37,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252942500] [2024-11-27 20:13:37,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:37,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:13:37,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:37,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:13:37,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:13:37,868 INFO L87 Difference]: Start difference. First operand 2829 states and 3943 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 20:13:38,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:38,244 INFO L93 Difference]: Finished difference Result 2835 states and 3948 transitions. [2024-11-27 20:13:38,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:13:38,245 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2024-11-27 20:13:38,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:38,269 INFO L225 Difference]: With dead ends: 2835 [2024-11-27 20:13:38,270 INFO L226 Difference]: Without dead ends: 2802 [2024-11-27 20:13:38,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:13:38,274 INFO L435 NwaCegarLoop]: 1965 mSDtfsCounter, 1944 mSDsluCounter, 3922 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1944 SdHoareTripleChecker+Valid, 5887 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:38,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1944 Valid, 5887 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:13:38,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2802 states. [2024-11-27 20:13:38,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2802 to 2802. [2024-11-27 20:13:38,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2802 states, 2033 states have (on average 1.280373831775701) internal successors, (2603), 2093 states have internal predecessors, (2603), 634 states have call successors, (634), 136 states have call predecessors, (634), 134 states have return successors, (673), 617 states have call predecessors, (673), 631 states have call successors, (673) [2024-11-27 20:13:38,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2802 states and 3910 transitions. [2024-11-27 20:13:38,489 INFO L78 Accepts]: Start accepts. Automaton has 2802 states and 3910 transitions. Word has length 53 [2024-11-27 20:13:38,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:38,490 INFO L471 AbstractCegarLoop]: Abstraction has 2802 states and 3910 transitions. [2024-11-27 20:13:38,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 20:13:38,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3910 transitions. [2024-11-27 20:13:38,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-11-27 20:13:38,526 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:38,526 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:38,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:13:38,527 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:38,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:38,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1532868058, now seen corresponding path program 1 times [2024-11-27 20:13:38,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:38,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943374197] [2024-11-27 20:13:38,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:38,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:47,771 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2024-11-27 20:13:47,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:47,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943374197] [2024-11-27 20:13:47,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943374197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:47,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:13:47,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:13:47,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340315380] [2024-11-27 20:13:47,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:47,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:13:47,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:47,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:13:47,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:13:47,778 INFO L87 Difference]: Start difference. First operand 2802 states and 3910 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-27 20:13:48,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:48,275 INFO L93 Difference]: Finished difference Result 5591 states and 7842 transitions. [2024-11-27 20:13:48,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:13:48,275 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 265 [2024-11-27 20:13:48,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:48,310 INFO L225 Difference]: With dead ends: 5591 [2024-11-27 20:13:48,310 INFO L226 Difference]: Without dead ends: 2806 [2024-11-27 20:13:48,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:13:48,328 INFO L435 NwaCegarLoop]: 1955 mSDtfsCounter, 1 mSDsluCounter, 7798 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9753 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:48,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9753 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:13:48,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2024-11-27 20:13:48,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2806. [2024-11-27 20:13:48,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2806 states, 2037 states have (on average 1.279823269513991) internal successors, (2607), 2097 states have internal predecessors, (2607), 634 states have call successors, (634), 136 states have call predecessors, (634), 134 states have return successors, (673), 617 states have call predecessors, (673), 631 states have call successors, (673) [2024-11-27 20:13:48,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2806 states and 3914 transitions. [2024-11-27 20:13:48,520 INFO L78 Accepts]: Start accepts. Automaton has 2806 states and 3914 transitions. Word has length 265 [2024-11-27 20:13:48,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:48,522 INFO L471 AbstractCegarLoop]: Abstraction has 2806 states and 3914 transitions. [2024-11-27 20:13:48,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-27 20:13:48,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 3914 transitions. [2024-11-27 20:13:48,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2024-11-27 20:13:48,542 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:48,542 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:48,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:13:48,543 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:48,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:48,546 INFO L85 PathProgramCache]: Analyzing trace with hash 34284025, now seen corresponding path program 1 times [2024-11-27 20:13:48,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:48,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79028280] [2024-11-27 20:13:48,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:48,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:58,462 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2024-11-27 20:13:58,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:58,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79028280] [2024-11-27 20:13:58,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79028280] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:13:58,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247996810] [2024-11-27 20:13:58,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:58,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:58,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:13:58,469 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:13:58,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:14:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:07,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 4755 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 20:14:07,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:14:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-27 20:14:08,680 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:14:08,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247996810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:14:08,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:14:08,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2024-11-27 20:14:08,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664341800] [2024-11-27 20:14:08,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:14:08,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:14:08,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:14:08,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:14:08,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:14:08,685 INFO L87 Difference]: Start difference. First operand 2806 states and 3914 transitions. Second operand has 11 states, 10 states have (on average 15.1) internal successors, (151), 9 states have internal predecessors, (151), 5 states have call successors, (47), 2 states have call predecessors, (47), 5 states have return successors, (45), 6 states have call predecessors, (45), 5 states have call successors, (45) [2024-11-27 20:14:11,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:14:11,115 INFO L93 Difference]: Finished difference Result 5444 states and 7584 transitions. [2024-11-27 20:14:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:14:11,116 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 15.1) internal successors, (151), 9 states have internal predecessors, (151), 5 states have call successors, (47), 2 states have call predecessors, (47), 5 states have return successors, (45), 6 states have call predecessors, (45), 5 states have call successors, (45) Word has length 358 [2024-11-27 20:14:11,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:14:11,143 INFO L225 Difference]: With dead ends: 5444 [2024-11-27 20:14:11,143 INFO L226 Difference]: Without dead ends: 2847 [2024-11-27 20:14:11,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-11-27 20:14:11,159 INFO L435 NwaCegarLoop]: 1930 mSDtfsCounter, 7 mSDsluCounter, 17292 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 19222 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:14:11,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 19222 Invalid, 400 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-27 20:14:11,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2847 states. [2024-11-27 20:14:11,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2847 to 2836. [2024-11-27 20:14:11,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2836 states, 2053 states have (on average 1.2791037506088652) internal successors, (2626), 2113 states have internal predecessors, (2626), 648 states have call successors, (648), 136 states have call predecessors, (648), 134 states have return successors, (687), 631 states have call predecessors, (687), 645 states have call successors, (687) [2024-11-27 20:14:11,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2836 states and 3961 transitions. [2024-11-27 20:14:11,342 INFO L78 Accepts]: Start accepts. Automaton has 2836 states and 3961 transitions. Word has length 358 [2024-11-27 20:14:11,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:14:11,343 INFO L471 AbstractCegarLoop]: Abstraction has 2836 states and 3961 transitions. [2024-11-27 20:14:11,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 15.1) internal successors, (151), 9 states have internal predecessors, (151), 5 states have call successors, (47), 2 states have call predecessors, (47), 5 states have return successors, (45), 6 states have call predecessors, (45), 5 states have call successors, (45) [2024-11-27 20:14:11,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 3961 transitions. [2024-11-27 20:14:11,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2024-11-27 20:14:11,358 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:11,359 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 8, 8, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:14:11,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:14:11,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:14:11,560 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:14:11,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:14:11,561 INFO L85 PathProgramCache]: Analyzing trace with hash 432072487, now seen corresponding path program 1 times [2024-11-27 20:14:11,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:14:11,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304297728] [2024-11-27 20:14:11,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:11,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:14:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:22,125 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2024-11-27 20:14:22,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:14:22,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304297728] [2024-11-27 20:14:22,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304297728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:14:22,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563842940] [2024-11-27 20:14:22,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:22,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:14:22,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:14:22,132 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:14:22,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:14:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:31,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 5122 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 20:14:31,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:14:32,992 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-27 20:14:32,993 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:14:32,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563842940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:14:32,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:14:32,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [6] total 21 [2024-11-27 20:14:32,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751529639] [2024-11-27 20:14:32,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:14:32,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-27 20:14:32,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:14:32,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-27 20:14:32,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2024-11-27 20:14:32,997 INFO L87 Difference]: Start difference. First operand 2836 states and 3961 transitions. Second operand has 17 states, 16 states have (on average 11.0) internal successors, (176), 13 states have internal predecessors, (176), 5 states have call successors, (53), 2 states have call predecessors, (53), 7 states have return successors, (51), 8 states have call predecessors, (51), 5 states have call successors, (51) [2024-11-27 20:14:36,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:14:36,876 INFO L93 Difference]: Finished difference Result 5524 states and 7738 transitions. [2024-11-27 20:14:36,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 20:14:36,877 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 11.0) internal successors, (176), 13 states have internal predecessors, (176), 5 states have call successors, (53), 2 states have call predecessors, (53), 7 states have return successors, (51), 8 states have call predecessors, (51), 5 states have call successors, (51) Word has length 399 [2024-11-27 20:14:36,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:14:36,906 INFO L225 Difference]: With dead ends: 5524 [2024-11-27 20:14:36,907 INFO L226 Difference]: Without dead ends: 2897 [2024-11-27 20:14:36,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=63, Invalid=639, Unknown=0, NotChecked=0, Total=702 [2024-11-27 20:14:36,926 INFO L435 NwaCegarLoop]: 1977 mSDtfsCounter, 12 mSDsluCounter, 29522 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 31499 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:14:36,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 31499 Invalid, 756 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-27 20:14:36,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2897 states. [2024-11-27 20:14:37,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2897 to 2852. [2024-11-27 20:14:37,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 2065 states have (on average 1.2774818401937047) internal successors, (2638), 2125 states have internal predecessors, (2638), 648 states have call successors, (648), 136 states have call predecessors, (648), 138 states have return successors, (729), 635 states have call predecessors, (729), 645 states have call successors, (729) [2024-11-27 20:14:37,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 4015 transitions. [2024-11-27 20:14:37,103 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 4015 transitions. Word has length 399 [2024-11-27 20:14:37,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:14:37,104 INFO L471 AbstractCegarLoop]: Abstraction has 2852 states and 4015 transitions. [2024-11-27 20:14:37,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 11.0) internal successors, (176), 13 states have internal predecessors, (176), 5 states have call successors, (53), 2 states have call predecessors, (53), 7 states have return successors, (51), 8 states have call predecessors, (51), 5 states have call successors, (51) [2024-11-27 20:14:37,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 4015 transitions. [2024-11-27 20:14:37,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-11-27 20:14:37,122 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:37,122 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 8, 8, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:14:37,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 20:14:37,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:14:37,324 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:14:37,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:14:37,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1353264126, now seen corresponding path program 1 times [2024-11-27 20:14:37,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:14:37,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117685588] [2024-11-27 20:14:37,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:37,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:14:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:47,855 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2024-11-27 20:14:47,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:14:47,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117685588] [2024-11-27 20:14:47,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117685588] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:14:47,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660004158] [2024-11-27 20:14:47,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:47,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:14:47,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:14:47,858 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:14:47,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:14:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:57,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 5143 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-27 20:14:57,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:14:58,693 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 200 proven. 3 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2024-11-27 20:14:58,694 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:01,689 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 3 proven. 67 refuted. 0 times theorem prover too weak. 776 trivial. 0 not checked. [2024-11-27 20:15:01,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660004158] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:15:01,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:15:01,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 15, 15] total 22 [2024-11-27 20:15:01,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890182848] [2024-11-27 20:15:01,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:15:01,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-27 20:15:01,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:01,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-27 20:15:01,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2024-11-27 20:15:01,694 INFO L87 Difference]: Start difference. First operand 2852 states and 4015 transitions. Second operand has 22 states, 21 states have (on average 12.523809523809524) internal successors, (263), 19 states have internal predecessors, (263), 6 states have call successors, (109), 2 states have call predecessors, (109), 6 states have return successors, (111), 8 states have call predecessors, (111), 6 states have call successors, (111) [2024-11-27 20:15:05,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:05,218 INFO L93 Difference]: Finished difference Result 5708 states and 8129 transitions. [2024-11-27 20:15:05,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 20:15:05,220 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 12.523809523809524) internal successors, (263), 19 states have internal predecessors, (263), 6 states have call successors, (109), 2 states have call predecessors, (109), 6 states have return successors, (111), 8 states have call predecessors, (111), 6 states have call successors, (111) Word has length 404 [2024-11-27 20:15:05,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:05,247 INFO L225 Difference]: With dead ends: 5708 [2024-11-27 20:15:05,247 INFO L226 Difference]: Without dead ends: 2860 [2024-11-27 20:15:05,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 815 GetRequests, 793 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=53, Invalid=499, Unknown=0, NotChecked=0, Total=552 [2024-11-27 20:15:05,267 INFO L435 NwaCegarLoop]: 1922 mSDtfsCounter, 1 mSDsluCounter, 34514 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 36436 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:05,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 36436 Invalid, 792 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-27 20:15:05,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2860 states. [2024-11-27 20:15:05,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2860 to 2860. [2024-11-27 20:15:05,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2860 states, 2072 states have (on average 1.276061776061776) internal successors, (2644), 2132 states have internal predecessors, (2644), 647 states have call successors, (647), 136 states have call predecessors, (647), 140 states have return successors, (744), 636 states have call predecessors, (744), 644 states have call successors, (744) [2024-11-27 20:15:05,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2860 states and 4035 transitions. [2024-11-27 20:15:05,471 INFO L78 Accepts]: Start accepts. Automaton has 2860 states and 4035 transitions. Word has length 404 [2024-11-27 20:15:05,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:05,471 INFO L471 AbstractCegarLoop]: Abstraction has 2860 states and 4035 transitions. [2024-11-27 20:15:05,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 12.523809523809524) internal successors, (263), 19 states have internal predecessors, (263), 6 states have call successors, (109), 2 states have call predecessors, (109), 6 states have return successors, (111), 8 states have call predecessors, (111), 6 states have call successors, (111) [2024-11-27 20:15:05,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 4035 transitions. [2024-11-27 20:15:05,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2024-11-27 20:15:05,502 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:05,502 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 13, 13, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:15:05,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:15:05,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:05,704 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:15:05,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:05,704 INFO L85 PathProgramCache]: Analyzing trace with hash -176552923, now seen corresponding path program 1 times [2024-11-27 20:15:05,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:05,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788474003] [2024-11-27 20:15:05,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:05,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:15,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1033 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2024-11-27 20:15:15,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:15,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788474003] [2024-11-27 20:15:15,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788474003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:15:15,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:15:15,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:15:15,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860656771] [2024-11-27 20:15:15,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:15:15,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:15:15,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:15,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:15:15,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:15:15,370 INFO L87 Difference]: Start difference. First operand 2860 states and 4035 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-11-27 20:15:15,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:15,532 INFO L93 Difference]: Finished difference Result 5713 states and 8145 transitions. [2024-11-27 20:15:15,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:15:15,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 396 [2024-11-27 20:15:15,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:15,557 INFO L225 Difference]: With dead ends: 5713 [2024-11-27 20:15:15,557 INFO L226 Difference]: Without dead ends: 2868 [2024-11-27 20:15:15,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:15:15,574 INFO L435 NwaCegarLoop]: 1953 mSDtfsCounter, 14 mSDsluCounter, 3863 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 5816 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:15,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 5816 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:15:15,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2868 states. [2024-11-27 20:15:15,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2868 to 2868. [2024-11-27 20:15:15,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2868 states, 2076 states have (on average 1.2745664739884393) internal successors, (2646), 2138 states have internal predecessors, (2646), 649 states have call successors, (649), 136 states have call predecessors, (649), 142 states have return successors, (750), 638 states have call predecessors, (750), 646 states have call successors, (750) [2024-11-27 20:15:15,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2868 states to 2868 states and 4045 transitions. [2024-11-27 20:15:15,744 INFO L78 Accepts]: Start accepts. Automaton has 2868 states and 4045 transitions. Word has length 396 [2024-11-27 20:15:15,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:15,745 INFO L471 AbstractCegarLoop]: Abstraction has 2868 states and 4045 transitions. [2024-11-27 20:15:15,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-11-27 20:15:15,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2868 states and 4045 transitions. [2024-11-27 20:15:15,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2024-11-27 20:15:15,766 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:15,766 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 16, 16, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:15:15,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:15:15,767 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:15:15,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:15,768 INFO L85 PathProgramCache]: Analyzing trace with hash 560354557, now seen corresponding path program 1 times [2024-11-27 20:15:15,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:15,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908674002] [2024-11-27 20:15:15,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:15,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:15:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:30,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 1663 trivial. 0 not checked. [2024-11-27 20:15:30,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:30,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908674002] [2024-11-27 20:15:30,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908674002] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:30,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375680339] [2024-11-27 20:15:30,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:30,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:30,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:30,451 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:30,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:15:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:39,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 5524 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-27 20:15:40,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:41,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 337 proven. 3 refuted. 0 times theorem prover too weak. 1348 trivial. 0 not checked. [2024-11-27 20:15:41,092 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:15:45,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 3 proven. 87 refuted. 0 times theorem prover too weak. 1598 trivial. 0 not checked. [2024-11-27 20:15:45,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375680339] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:15:45,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:15:45,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 8] total 24 [2024-11-27 20:15:45,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795822766] [2024-11-27 20:15:45,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:15:45,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-27 20:15:45,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:15:45,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-27 20:15:45,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2024-11-27 20:15:45,024 INFO L87 Difference]: Start difference. First operand 2868 states and 4045 transitions. Second operand has 24 states, 22 states have (on average 13.409090909090908) internal successors, (295), 19 states have internal predecessors, (295), 7 states have call successors, (129), 2 states have call predecessors, (129), 8 states have return successors, (133), 10 states have call predecessors, (133), 7 states have call successors, (133) [2024-11-27 20:15:49,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:15:54,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:15:54,855 INFO L93 Difference]: Finished difference Result 5771 states and 8236 transitions. [2024-11-27 20:15:54,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 20:15:54,856 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 13.409090909090908) internal successors, (295), 19 states have internal predecessors, (295), 7 states have call successors, (129), 2 states have call predecessors, (129), 8 states have return successors, (133), 10 states have call predecessors, (133), 7 states have call successors, (133) Word has length 503 [2024-11-27 20:15:54,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:15:54,879 INFO L225 Difference]: With dead ends: 5771 [2024-11-27 20:15:54,879 INFO L226 Difference]: Without dead ends: 2916 [2024-11-27 20:15:54,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1021 GetRequests, 996 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2024-11-27 20:15:54,893 INFO L435 NwaCegarLoop]: 1923 mSDtfsCounter, 49 mSDsluCounter, 36288 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 38211 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:15:54,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 38211 Invalid, 946 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 931 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2024-11-27 20:15:54,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2916 states. [2024-11-27 20:15:55,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2916 to 2886. [2024-11-27 20:15:55,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2886 states, 2088 states have (on average 1.2725095785440612) internal successors, (2657), 2147 states have internal predecessors, (2657), 653 states have call successors, (653), 136 states have call predecessors, (653), 144 states have return successors, (760), 646 states have call predecessors, (760), 650 states have call successors, (760) [2024-11-27 20:15:55,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2886 states and 4070 transitions. [2024-11-27 20:15:55,055 INFO L78 Accepts]: Start accepts. Automaton has 2886 states and 4070 transitions. Word has length 503 [2024-11-27 20:15:55,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:15:55,056 INFO L471 AbstractCegarLoop]: Abstraction has 2886 states and 4070 transitions. [2024-11-27 20:15:55,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 13.409090909090908) internal successors, (295), 19 states have internal predecessors, (295), 7 states have call successors, (129), 2 states have call predecessors, (129), 8 states have return successors, (133), 10 states have call predecessors, (133), 7 states have call successors, (133) [2024-11-27 20:15:55,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2886 states and 4070 transitions. [2024-11-27 20:15:55,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2024-11-27 20:15:55,077 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:15:55,077 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 16, 16, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:15:55,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 20:15:55,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:55,278 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:15:55,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:15:55,279 INFO L85 PathProgramCache]: Analyzing trace with hash 238136960, now seen corresponding path program 1 times [2024-11-27 20:15:55,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:15:55,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508702248] [2024-11-27 20:15:55,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:15:55,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:16:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:16:05,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1697 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1697 trivial. 0 not checked. [2024-11-27 20:16:05,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:16:05,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508702248] [2024-11-27 20:16:05,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508702248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:16:05,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:16:05,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:16:05,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694742315] [2024-11-27 20:16:05,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:16:05,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:16:05,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:16:05,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:16:05,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:16:05,397 INFO L87 Difference]: Start difference. First operand 2886 states and 4070 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-27 20:16:05,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:05,582 INFO L93 Difference]: Finished difference Result 2898 states and 4081 transitions. [2024-11-27 20:16:05,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:16:05,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 507 [2024-11-27 20:16:05,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:05,607 INFO L225 Difference]: With dead ends: 2898 [2024-11-27 20:16:05,608 INFO L226 Difference]: Without dead ends: 2886 [2024-11-27 20:16:05,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:16:05,611 INFO L435 NwaCegarLoop]: 1950 mSDtfsCounter, 1875 mSDsluCounter, 1949 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1875 SdHoareTripleChecker+Valid, 3899 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:16:05,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1875 Valid, 3899 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:16:05,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2024-11-27 20:16:05,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2886. [2024-11-27 20:16:05,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2886 states, 2088 states have (on average 1.2720306513409962) internal successors, (2656), 2147 states have internal predecessors, (2656), 653 states have call successors, (653), 136 states have call predecessors, (653), 144 states have return successors, (760), 646 states have call predecessors, (760), 650 states have call successors, (760) [2024-11-27 20:16:05,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2886 states and 4069 transitions. [2024-11-27 20:16:05,800 INFO L78 Accepts]: Start accepts. Automaton has 2886 states and 4069 transitions. Word has length 507 [2024-11-27 20:16:05,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:05,801 INFO L471 AbstractCegarLoop]: Abstraction has 2886 states and 4069 transitions. [2024-11-27 20:16:05,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-27 20:16:05,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2886 states and 4069 transitions. [2024-11-27 20:16:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2024-11-27 20:16:05,813 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:05,813 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 16, 16, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:16:05,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:16:05,814 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:16:05,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:05,814 INFO L85 PathProgramCache]: Analyzing trace with hash 340476813, now seen corresponding path program 1 times [2024-11-27 20:16:05,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:16:05,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924106335] [2024-11-27 20:16:05,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:16:05,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:16:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:16:17,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 13 proven. 45 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2024-11-27 20:16:17,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:16:17,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924106335] [2024-11-27 20:16:17,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924106335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:16:17,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401736777] [2024-11-27 20:16:17,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:16:17,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:17,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:16:17,169 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:16:17,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:16:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:16:32,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 5588 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-27 20:16:32,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:16:33,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 841 proven. 0 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2024-11-27 20:16:33,019 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:16:33,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401736777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:16:33,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:16:33,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 15 [2024-11-27 20:16:33,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718509644] [2024-11-27 20:16:33,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:16:33,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 20:16:33,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:16:33,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 20:16:33,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:16:33,023 INFO L87 Difference]: Start difference. First operand 2886 states and 4069 transitions. Second operand has 12 states, 10 states have (on average 18.6) internal successors, (186), 9 states have internal predecessors, (186), 4 states have call successors, (64), 2 states have call predecessors, (64), 5 states have return successors, (62), 5 states have call predecessors, (62), 4 states have call successors, (62) [2024-11-27 20:16:34,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:34,387 INFO L93 Difference]: Finished difference Result 6201 states and 8906 transitions. [2024-11-27 20:16:34,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:16:34,388 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 18.6) internal successors, (186), 9 states have internal predecessors, (186), 4 states have call successors, (64), 2 states have call predecessors, (64), 5 states have return successors, (62), 5 states have call predecessors, (62), 4 states have call successors, (62) Word has length 515 [2024-11-27 20:16:34,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:34,417 INFO L225 Difference]: With dead ends: 6201 [2024-11-27 20:16:34,417 INFO L226 Difference]: Without dead ends: 3330 [2024-11-27 20:16:34,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2024-11-27 20:16:34,434 INFO L435 NwaCegarLoop]: 1936 mSDtfsCounter, 209 mSDsluCounter, 19325 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 21261 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:16:34,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 21261 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:16:34,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3330 states. [2024-11-27 20:16:34,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3330 to 3098. [2024-11-27 20:16:34,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3098 states, 2254 states have (on average 1.274179236912156) internal successors, (2872), 2312 states have internal predecessors, (2872), 699 states have call successors, (699), 136 states have call predecessors, (699), 144 states have return successors, (811), 695 states have call predecessors, (811), 696 states have call successors, (811) [2024-11-27 20:16:34,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 3098 states and 4382 transitions. [2024-11-27 20:16:34,621 INFO L78 Accepts]: Start accepts. Automaton has 3098 states and 4382 transitions. Word has length 515 [2024-11-27 20:16:34,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:34,622 INFO L471 AbstractCegarLoop]: Abstraction has 3098 states and 4382 transitions. [2024-11-27 20:16:34,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 18.6) internal successors, (186), 9 states have internal predecessors, (186), 4 states have call successors, (64), 2 states have call predecessors, (64), 5 states have return successors, (62), 5 states have call predecessors, (62), 4 states have call successors, (62) [2024-11-27 20:16:34,623 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 4382 transitions. [2024-11-27 20:16:34,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2024-11-27 20:16:34,634 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:16:34,634 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 16, 16, 13, 13, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:16:34,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 20:16:34,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 20:16:34,835 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:16:34,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:16:34,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1489098321, now seen corresponding path program 2 times [2024-11-27 20:16:34,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:16:34,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014324878] [2024-11-27 20:16:34,837 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:16:34,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:16:43,407 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:16:43,407 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:16:46,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1923 backedges. 52 proven. 8 refuted. 0 times theorem prover too weak. 1863 trivial. 0 not checked. [2024-11-27 20:16:46,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:16:46,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014324878] [2024-11-27 20:16:46,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014324878] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:16:46,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728516118] [2024-11-27 20:16:46,712 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:16:46,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:16:46,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:16:46,715 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:16:46,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d4e2b6a-6bb0-4d0d-8427-75535106f71d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process