./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_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/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_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1 --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 [2024-12-02 10:41:41,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:41:42,015 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 10:41:42,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:41:42,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:41:42,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:41:42,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:41:42,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:41:42,043 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:41:42,043 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:41:42,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:41:42,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:41:42,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:41:42,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:41:42,044 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:41:42,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:41:42,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:41:42,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:41:42,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:41:42,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:41:42,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:41:42,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:41:42,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:41:42,045 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:41:42,045 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:41:42,045 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:41:42,045 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:41:42,045 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:41:42,045 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:41:42,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:41:42,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:41:42,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:41:42,046 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:41:42,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:41:42,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:41:42,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:41:42,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:41:42,046 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:41:42,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:41:42,046 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:41:42,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:41:42,047 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:41:42,047 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:41:42,047 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:41:42,047 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:41:42,047 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_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-02 10:41:42,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:41:42,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:41:42,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:41:42,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:41:42,302 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:41:42,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2024-12-02 10:41:44,906 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/data/21d54c96f/762d80b8e48b46258699b78f5b6c681a/FLAG56cf896b6 [2024-12-02 10:41:45,355 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:41:45,356 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2024-12-02 10:41:45,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/data/21d54c96f/762d80b8e48b46258699b78f5b6c681a/FLAG56cf896b6 [2024-12-02 10:41:45,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/data/21d54c96f/762d80b8e48b46258699b78f5b6c681a [2024-12-02 10:41:45,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:41:45,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:41:45,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:41:45,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:41:45,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:41:45,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:41:45" (1/1) ... [2024-12-02 10:41:45,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db78a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:45, skipping insertion in model container [2024-12-02 10:41:45,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:41:45" (1/1) ... [2024-12-02 10:41:45,468 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:41:46,788 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_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i[256140,256153] [2024-12-02 10:41:46,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:41:46,845 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:41:46,944 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] [2024-12-02 10:41:46,946 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] [2024-12-02 10:41:46,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5364] [2024-12-02 10:41:46,949 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] [2024-12-02 10:41:46,949 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] [2024-12-02 10:41:47,096 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_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i[256140,256153] [2024-12-02 10:41:47,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:41:47,211 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:41:47,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:47 WrapperNode [2024-12-02 10:41:47,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:41:47,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:41:47,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:41:47,213 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:41:47,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:47" (1/1) ... [2024-12-02 10:41:47,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:47" (1/1) ... [2024-12-02 10:41:47,437 INFO L138 Inliner]: procedures = 287, calls = 1938, calls flagged for inlining = 172, calls inlined = 168, statements flattened = 4978 [2024-12-02 10:41:47,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:41:47,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:41:47,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:41:47,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:41:47,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:47" (1/1) ... [2024-12-02 10:41:47,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:47" (1/1) ... [2024-12-02 10:41:47,478 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:47" (1/1) ... [2024-12-02 10:41:48,230 INFO L175 MemorySlicer]: Split 1297 memory accesses to 22 slices as follows [2, 11, 3, 12, 4, 7, 40, 28, 1, 8, 1, 10, 8, 12, 3, 4, 2, 3, 1127, 8, 1, 2]. 87 percent of accesses are in the largest equivalence class. The 728 initializations are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 8, 12, 3, 0, 0, 0, 686, 8, 1, 2]. The 278 writes are split as follows [1, 1, 2, 0, 0, 6, 0, 28, 0, 0, 0, 2, 0, 0, 0, 0, 1, 0, 237, 0, 0, 0]. [2024-12-02 10:41:48,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:47" (1/1) ... [2024-12-02 10:41:48,231 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:47" (1/1) ... [2024-12-02 10:41:48,328 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:47" (1/1) ... [2024-12-02 10:41:48,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:47" (1/1) ... [2024-12-02 10:41:48,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:47" (1/1) ... [2024-12-02 10:41:48,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:47" (1/1) ... [2024-12-02 10:41:48,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:47" (1/1) ... [2024-12-02 10:41:48,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:41:48,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:41:48,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:41:48,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:41:48,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:47" (1/1) ... [2024-12-02 10:41:48,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:41:48,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:41:48,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:41:48,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:41:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 10:41:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 10:41:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 10:41:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 10:41:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 10:41:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 10:41:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 10:41:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 10:41:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 10:41:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 10:41:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 10:41:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 10:41:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 10:41:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 10:41:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 10:41:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 10:41:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 10:41:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 10:41:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 10:41:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 10:41:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 10:41:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-02 10:41:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 10:41:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 10:41:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 10:41:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 10:41:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 10:41:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 10:41:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 10:41:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 10:41:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 10:41:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2024-12-02 10:41:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2024-12-02 10:41:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 10:41:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 10:41:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open_clean [2024-12-02 10:41:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open_clean [2024-12-02 10:41:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 10:41:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 10:41:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure devm_regulator_get [2024-12-02 10:41:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_regulator_get [2024-12-02 10:41:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 10:41:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 10:41:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_spi_trans [2024-12-02 10:41:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_spi_trans [2024-12-02 10:41:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2024-12-02 10:41:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2024-12-02 10:41:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_read_reg [2024-12-02 10:41:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_read_reg [2024-12-02 10:41:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 10:41:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 10:41:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 10:41:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 10:41:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 10:41:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 10:41:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 10:41:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 10:41:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 10:41:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 10:41:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 10:41:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 10:41:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 10:41:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 10:41:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 10:41:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 10:41:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 10:41:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 10:41:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 10:41:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 10:41:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 10:41:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 10:41:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 10:41:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 10:41:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 10:41:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 10:41:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 10:41:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_stop [2024-12-02 10:41:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_stop [2024-12-02 10:41:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_bits [2024-12-02 10:41:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_bits [2024-12-02 10:41:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 10:41:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2024-12-02 10:41:48,494 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2024-12-02 10:41:48,494 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 10:41:48,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 10:41:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 10:41:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 10:41:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-12-02 10:41:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2024-12-02 10:41:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2024-12-02 10:41:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2024-12-02 10:41:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2024-12-02 10:41:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 10:41:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 10:41:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-12-02 10:41:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-12-02 10:41:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 10:41:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 10:41:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 10:41:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 10:41:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2024-12-02 10:41:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2024-12-02 10:41:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 10:41:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 10:41:48,495 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-12-02 10:41:48,495 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-12-02 10:41:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2024-12-02 10:41:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2024-12-02 10:41:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-12-02 10:41:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-12-02 10:41:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2024-12-02 10:41:48,497 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2024-12-02 10:41:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 10:41:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 10:41:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 10:41:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 10:41:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 10:41:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 10:41:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 10:41:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 10:41:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 10:41:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 10:41:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 10:41:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 10:41:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 10:41:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 10:41:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 10:41:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 10:41:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 10:41:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 10:41:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 10:41:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 10:41:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 10:41:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-02 10:41:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_set_normal_mode [2024-12-02 10:41:48,498 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_set_normal_mode [2024-12-02 10:41:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 10:41:48,498 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 10:41:48,498 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_remove [2024-12-02 10:41:48,499 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_remove [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 10:41:48,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 10:41:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 10:41:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-12-02 10:41:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-12-02 10:41:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_error_skb [2024-12-02 10:41:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_error_skb [2024-12-02 10:41:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_sleep [2024-12-02 10:41:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_sleep [2024-12-02 10:41:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-12-02 10:41:48,500 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-12-02 10:41:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 10:41:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 10:41:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 10:41:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 10:41:48,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_clean [2024-12-02 10:41:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_clean [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_disable [2024-12-02 10:41:48,501 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_disable [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 10:41:48,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 10:41:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 10:41:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 10:41:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 10:41:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 10:41:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 10:41:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 10:41:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 10:41:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 10:41:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 10:41:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 10:41:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 10:41:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 10:41:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 10:41:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 10:41:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-02 10:41:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-02 10:41:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-12-02 10:41:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 10:41:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 10:41:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 10:41:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 10:41:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 10:41:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 10:41:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 10:41:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 10:41:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 10:41:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 10:41:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 10:41:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 10:41:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 10:41:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 10:41:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 10:41:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 10:41:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 10:41:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 10:41:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 10:41:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-02 10:41:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-02 10:41:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-12-02 10:41:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2024-12-02 10:41:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2024-12-02 10:41:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 10:41:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 10:41:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_power_enable [2024-12-02 10:41:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_power_enable [2024-12-02 10:41:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_suspend [2024-12-02 10:41:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_suspend [2024-12-02 10:41:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 10:41:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 10:41:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 10:41:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 10:41:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 10:41:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 10:41:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 10:41:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 10:41:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 10:41:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 10:41:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 10:41:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 10:41:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 10:41:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 10:41:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 10:41:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 10:41:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 10:41:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 10:41:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 10:41:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 10:41:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 10:41:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 10:41:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open [2024-12-02 10:41:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open [2024-12-02 10:41:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_probe [2024-12-02 10:41:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_probe [2024-12-02 10:41:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 10:41:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 10:41:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_resume [2024-12-02 10:41:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_resume [2024-12-02 10:41:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 10:41:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_reset [2024-12-02 10:41:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_reset [2024-12-02 10:41:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:41:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 10:41:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 10:41:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 10:41:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 10:41:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 10:41:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 10:41:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 10:41:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 10:41:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 10:41:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 10:41:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 10:41:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 10:41:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 10:41:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 10:41:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 10:41:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 10:41:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 10:41:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 10:41:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 10:41:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 10:41:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 10:41:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 10:41:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 10:41:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 10:41:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 10:41:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 10:41:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2024-12-02 10:41:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2024-12-02 10:41:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 10:41:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 10:41:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 10:41:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 10:41:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2024-12-02 10:41:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2024-12-02 10:41:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-12-02 10:41:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-12-02 10:41:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_setup [2024-12-02 10:41:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_setup [2024-12-02 10:41:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 10:41:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 10:41:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2024-12-02 10:41:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2024-12-02 10:41:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-12-02 10:41:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-12-02 10:41:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 10:41:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 10:41:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_rx [2024-12-02 10:41:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_rx [2024-12-02 10:41:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_is_2510 [2024-12-02 10:41:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_is_2510 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2024-12-02 10:41:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_reg [2024-12-02 10:41:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_reg [2024-12-02 10:41:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2024-12-02 10:41:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2024-12-02 10:41:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 10:41:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 10:41:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:41:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:41:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 10:41:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 10:41:49,250 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:41:49,253 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:41:49,971 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 10:42:00,664 INFO L? ?]: Removed 2252 outVars from TransFormulas that were not future-live. [2024-12-02 10:42:00,664 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:42:00,696 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:42:00,696 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 10:42:00,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:42:00 BoogieIcfgContainer [2024-12-02 10:42:00,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:42:00,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:42:00,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:42:00,703 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:42:00,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:41:45" (1/3) ... [2024-12-02 10:42:00,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf87b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:42:00, skipping insertion in model container [2024-12-02 10:42:00,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:47" (2/3) ... [2024-12-02 10:42:00,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf87b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:42:00, skipping insertion in model container [2024-12-02 10:42:00,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:42:00" (3/3) ... [2024-12-02 10:42:00,706 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2024-12-02 10:42:00,720 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:42:00,722 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. [2024-12-02 10:42:00,798 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:42:00,809 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;@5e7483ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:42:00,809 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:42:00,816 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) [2024-12-02 10:42:00,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-02 10:42:00,823 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:00,824 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] [2024-12-02 10:42:00,824 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] === [2024-12-02 10:42:00,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:00,829 INFO L85 PathProgramCache]: Analyzing trace with hash 839721544, now seen corresponding path program 1 times [2024-12-02 10:42:00,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:00,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153073867] [2024-12-02 10:42:00,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:00,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:08,629 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-02 10:42:08,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:08,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153073867] [2024-12-02 10:42:08,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153073867] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:42:08,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:42:08,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:42:08,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914015647] [2024-12-02 10:42:08,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:42:08,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:42:08,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:08,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:42:08,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:42:08,658 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) [2024-12-02 10:42:09,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:09,002 INFO L93 Difference]: Finished difference Result 4273 states and 6084 transitions. [2024-12-02 10:42:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:42:09,004 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 [2024-12-02 10:42:09,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:09,034 INFO L225 Difference]: With dead ends: 4273 [2024-12-02 10:42:09,034 INFO L226 Difference]: Without dead ends: 2831 [2024-12-02 10:42:09,046 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 [2024-12-02 10:42:09,048 INFO L435 NwaCegarLoop]: 2280 mSDtfsCounter, 1986 mSDsluCounter, 6510 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 8790 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:09,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1987 Valid, 8790 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:42:09,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2024-12-02 10:42:09,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2829. [2024-12-02 10:42:09,211 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) [2024-12-02 10:42:09,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 2829 states and 3943 transitions. [2024-12-02 10:42:09,236 INFO L78 Accepts]: Start accepts. Automaton has 2829 states and 3943 transitions. Word has length 48 [2024-12-02 10:42:09,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:09,236 INFO L471 AbstractCegarLoop]: Abstraction has 2829 states and 3943 transitions. [2024-12-02 10:42:09,236 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) [2024-12-02 10:42:09,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2829 states and 3943 transitions. [2024-12-02 10:42:09,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-02 10:42:09,238 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:09,239 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] [2024-12-02 10:42:09,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 10:42:09,239 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] === [2024-12-02 10:42:09,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:09,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1083051575, now seen corresponding path program 1 times [2024-12-02 10:42:09,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:09,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286865040] [2024-12-02 10:42:09,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:09,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:15,947 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-02 10:42:15,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:15,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286865040] [2024-12-02 10:42:15,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286865040] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:42:15,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:42:15,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:42:15,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858141885] [2024-12-02 10:42:15,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:42:15,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:42:15,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:15,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:42:15,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:42:15,950 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) [2024-12-02 10:42:16,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:16,169 INFO L93 Difference]: Finished difference Result 2835 states and 3948 transitions. [2024-12-02 10:42:16,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:42:16,169 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 [2024-12-02 10:42:16,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:16,192 INFO L225 Difference]: With dead ends: 2835 [2024-12-02 10:42:16,192 INFO L226 Difference]: Without dead ends: 2802 [2024-12-02 10:42:16,195 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 [2024-12-02 10:42:16,196 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 [2024-12-02 10:42:16,196 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] [2024-12-02 10:42:16,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2802 states. [2024-12-02 10:42:16,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2802 to 2802. [2024-12-02 10:42:16,330 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) [2024-12-02 10:42:16,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2802 states and 3910 transitions. [2024-12-02 10:42:16,354 INFO L78 Accepts]: Start accepts. Automaton has 2802 states and 3910 transitions. Word has length 53 [2024-12-02 10:42:16,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:16,354 INFO L471 AbstractCegarLoop]: Abstraction has 2802 states and 3910 transitions. [2024-12-02 10:42:16,355 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) [2024-12-02 10:42:16,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3910 transitions. [2024-12-02 10:42:16,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-12-02 10:42:16,368 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:16,368 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] [2024-12-02 10:42:16,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:42:16,368 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] === [2024-12-02 10:42:16,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:16,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1532868058, now seen corresponding path program 1 times [2024-12-02 10:42:16,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:16,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486480533] [2024-12-02 10:42:16,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:16,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:23,329 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2024-12-02 10:42:23,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:23,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486480533] [2024-12-02 10:42:23,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486480533] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:42:23,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:42:23,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 10:42:23,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778534394] [2024-12-02 10:42:23,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:42:23,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:42:23,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:23,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:42:23,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:42:23,332 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) [2024-12-02 10:42:23,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:23,696 INFO L93 Difference]: Finished difference Result 5591 states and 7842 transitions. [2024-12-02 10:42:23,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:42:23,697 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 [2024-12-02 10:42:23,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:23,719 INFO L225 Difference]: With dead ends: 5591 [2024-12-02 10:42:23,719 INFO L226 Difference]: Without dead ends: 2806 [2024-12-02 10:42:23,733 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 [2024-12-02 10:42:23,734 INFO L435 NwaCegarLoop]: 1955 mSDtfsCounter, 1 mSDsluCounter, 7798 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9753 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:23,734 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9753 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:42:23,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2024-12-02 10:42:23,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2806. [2024-12-02 10:42:23,856 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) [2024-12-02 10:42:23,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2806 states and 3914 transitions. [2024-12-02 10:42:23,877 INFO L78 Accepts]: Start accepts. Automaton has 2806 states and 3914 transitions. Word has length 265 [2024-12-02 10:42:23,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:23,878 INFO L471 AbstractCegarLoop]: Abstraction has 2806 states and 3914 transitions. [2024-12-02 10:42:23,878 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) [2024-12-02 10:42:23,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 3914 transitions. [2024-12-02 10:42:23,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2024-12-02 10:42:23,894 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:23,895 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] [2024-12-02 10:42:23,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:42:23,895 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] === [2024-12-02 10:42:23,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:23,897 INFO L85 PathProgramCache]: Analyzing trace with hash 34284025, now seen corresponding path program 1 times [2024-12-02 10:42:23,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:23,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89871112] [2024-12-02 10:42:23,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:23,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:32,071 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2024-12-02 10:42:32,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:32,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89871112] [2024-12-02 10:42:32,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89871112] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:42:32,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410742310] [2024-12-02 10:42:32,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:32,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:32,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:42:32,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:42:32,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:42:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:39,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 4755 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 10:42:39,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:42:40,060 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-12-02 10:42:40,061 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:42:40,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410742310] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:42:40,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:42:40,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2024-12-02 10:42:40,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358307758] [2024-12-02 10:42:40,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:42:40,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 10:42:40,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:40,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 10:42:40,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2024-12-02 10:42:40,063 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) [2024-12-02 10:42:41,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:41,501 INFO L93 Difference]: Finished difference Result 5444 states and 7584 transitions. [2024-12-02 10:42:41,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 10:42:41,501 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 [2024-12-02 10:42:41,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:41,517 INFO L225 Difference]: With dead ends: 5444 [2024-12-02 10:42:41,517 INFO L226 Difference]: Without dead ends: 2847 [2024-12-02 10:42:41,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-12-02 10:42:41,526 INFO L435 NwaCegarLoop]: 1930 mSDtfsCounter, 7 mSDsluCounter, 17292 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 19222 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:41,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 19222 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 10:42:41,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2847 states. [2024-12-02 10:42:41,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2847 to 2836. [2024-12-02 10:42:41,604 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) [2024-12-02 10:42:41,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2836 states and 3961 transitions. [2024-12-02 10:42:41,615 INFO L78 Accepts]: Start accepts. Automaton has 2836 states and 3961 transitions. Word has length 358 [2024-12-02 10:42:41,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:41,615 INFO L471 AbstractCegarLoop]: Abstraction has 2836 states and 3961 transitions. [2024-12-02 10:42:41,616 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) [2024-12-02 10:42:41,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 3961 transitions. [2024-12-02 10:42:41,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2024-12-02 10:42:41,623 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:41,624 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] [2024-12-02 10:42:41,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:42:41,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:41,824 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] === [2024-12-02 10:42:41,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:41,825 INFO L85 PathProgramCache]: Analyzing trace with hash 432072487, now seen corresponding path program 1 times [2024-12-02 10:42:41,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:42:41,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083579157] [2024-12-02 10:42:41,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:41,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:42:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:49,237 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2024-12-02 10:42:49,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:42:49,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083579157] [2024-12-02 10:42:49,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083579157] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:42:49,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23552241] [2024-12-02 10:42:49,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:49,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:42:49,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:42:49,240 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:42:49,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 10:42:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:56,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 5122 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 10:42:56,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:42:57,741 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-12-02 10:42:57,741 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:42:57,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23552241] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:42:57,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:42:57,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [6] total 21 [2024-12-02 10:42:57,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396305611] [2024-12-02 10:42:57,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:42:57,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 10:42:57,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:42:57,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 10:42:57,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2024-12-02 10:42:57,743 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) [2024-12-02 10:43:00,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:43:00,217 INFO L93 Difference]: Finished difference Result 5524 states and 7738 transitions. [2024-12-02 10:43:00,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 10:43:00,218 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 [2024-12-02 10:43:00,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:43:00,235 INFO L225 Difference]: With dead ends: 5524 [2024-12-02 10:43:00,235 INFO L226 Difference]: Without dead ends: 2897 [2024-12-02 10:43:00,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=63, Invalid=639, Unknown=0, NotChecked=0, Total=702 [2024-12-02 10:43:00,242 INFO L435 NwaCegarLoop]: 1977 mSDtfsCounter, 12 mSDsluCounter, 29522 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 10:43:00,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 31499 Invalid, 756 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 10:43:00,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2897 states. [2024-12-02 10:43:00,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2897 to 2852. [2024-12-02 10:43:00,312 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) [2024-12-02 10:43:00,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 4015 transitions. [2024-12-02 10:43:00,323 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 4015 transitions. Word has length 399 [2024-12-02 10:43:00,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:43:00,323 INFO L471 AbstractCegarLoop]: Abstraction has 2852 states and 4015 transitions. [2024-12-02 10:43:00,323 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) [2024-12-02 10:43:00,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 4015 transitions. [2024-12-02 10:43:00,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-12-02 10:43:00,331 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:43:00,332 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] [2024-12-02 10:43:00,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 10:43:00,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:43:00,532 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] === [2024-12-02 10:43:00,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:43:00,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1353264126, now seen corresponding path program 1 times [2024-12-02 10:43:00,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:43:00,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413993934] [2024-12-02 10:43:00,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:43:00,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:43:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:43:07,206 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2024-12-02 10:43:07,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:43:07,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413993934] [2024-12-02 10:43:07,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413993934] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:43:07,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386849491] [2024-12-02 10:43:07,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:43:07,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:43:07,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:43:07,209 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:43:07,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 10:43:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:43:14,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 5143 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-02 10:43:14,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:43:14,844 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 200 proven. 3 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2024-12-02 10:43:14,844 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:43:16,878 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 3 proven. 67 refuted. 0 times theorem prover too weak. 776 trivial. 0 not checked. [2024-12-02 10:43:16,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386849491] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:43:16,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:43:16,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 15, 15] total 22 [2024-12-02 10:43:16,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111325836] [2024-12-02 10:43:16,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:43:16,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-02 10:43:16,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:43:16,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-02 10:43:16,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2024-12-02 10:43:16,882 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) [2024-12-02 10:43:19,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:43:19,219 INFO L93 Difference]: Finished difference Result 5708 states and 8129 transitions. [2024-12-02 10:43:19,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 10:43:19,220 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 [2024-12-02 10:43:19,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:43:19,234 INFO L225 Difference]: With dead ends: 5708 [2024-12-02 10:43:19,234 INFO L226 Difference]: Without dead ends: 2860 [2024-12-02 10:43:19,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 815 GetRequests, 793 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=53, Invalid=499, Unknown=0, NotChecked=0, Total=552 [2024-12-02 10:43:19,248 INFO L435 NwaCegarLoop]: 1922 mSDtfsCounter, 1 mSDsluCounter, 34514 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:43:19,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 36436 Invalid, 792 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 10:43:19,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2860 states. [2024-12-02 10:43:19,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2860 to 2860. [2024-12-02 10:43:19,362 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) [2024-12-02 10:43:19,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2860 states and 4035 transitions. [2024-12-02 10:43:19,381 INFO L78 Accepts]: Start accepts. Automaton has 2860 states and 4035 transitions. Word has length 404 [2024-12-02 10:43:19,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:43:19,381 INFO L471 AbstractCegarLoop]: Abstraction has 2860 states and 4035 transitions. [2024-12-02 10:43:19,382 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) [2024-12-02 10:43:19,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 4035 transitions. [2024-12-02 10:43:19,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2024-12-02 10:43:19,395 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:43:19,395 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] [2024-12-02 10:43:19,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 10:43:19,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:43:19,596 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] === [2024-12-02 10:43:19,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:43:19,596 INFO L85 PathProgramCache]: Analyzing trace with hash -176552923, now seen corresponding path program 1 times [2024-12-02 10:43:19,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:43:19,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932226399] [2024-12-02 10:43:19,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:43:19,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:43:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:43:26,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1033 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2024-12-02 10:43:26,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:43:26,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932226399] [2024-12-02 10:43:26,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932226399] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:43:26,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:43:26,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 10:43:26,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759780120] [2024-12-02 10:43:26,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:43:26,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:43:26,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:43:26,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:43:26,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:43:26,076 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) [2024-12-02 10:43:26,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:43:26,159 INFO L93 Difference]: Finished difference Result 5713 states and 8145 transitions. [2024-12-02 10:43:26,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:43:26,160 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 [2024-12-02 10:43:26,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:43:26,171 INFO L225 Difference]: With dead ends: 5713 [2024-12-02 10:43:26,171 INFO L226 Difference]: Without dead ends: 2868 [2024-12-02 10:43:26,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:43:26,180 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 [2024-12-02 10:43:26,180 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] [2024-12-02 10:43:26,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2868 states. [2024-12-02 10:43:26,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2868 to 2868. [2024-12-02 10:43:26,245 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) [2024-12-02 10:43:26,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2868 states to 2868 states and 4045 transitions. [2024-12-02 10:43:26,257 INFO L78 Accepts]: Start accepts. Automaton has 2868 states and 4045 transitions. Word has length 396 [2024-12-02 10:43:26,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:43:26,257 INFO L471 AbstractCegarLoop]: Abstraction has 2868 states and 4045 transitions. [2024-12-02 10:43:26,257 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) [2024-12-02 10:43:26,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2868 states and 4045 transitions. [2024-12-02 10:43:26,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2024-12-02 10:43:26,263 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:43:26,264 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] [2024-12-02 10:43:26,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 10:43:26,264 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] === [2024-12-02 10:43:26,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:43:26,264 INFO L85 PathProgramCache]: Analyzing trace with hash 560354557, now seen corresponding path program 1 times [2024-12-02 10:43:26,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:43:26,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885297284] [2024-12-02 10:43:26,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:43:26,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:43:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:43:35,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 1663 trivial. 0 not checked. [2024-12-02 10:43:35,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:43:35,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885297284] [2024-12-02 10:43:35,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885297284] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:43:35,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472286719] [2024-12-02 10:43:35,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:43:35,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:43:35,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:43:35,547 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:43:35,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 10:43:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:43:42,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 5524 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-02 10:43:42,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:43:43,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 337 proven. 3 refuted. 0 times theorem prover too weak. 1348 trivial. 0 not checked. [2024-12-02 10:43:43,462 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:43:46,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 3 proven. 87 refuted. 0 times theorem prover too weak. 1598 trivial. 0 not checked. [2024-12-02 10:43:46,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472286719] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:43:46,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:43:46,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 8] total 24 [2024-12-02 10:43:46,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751172333] [2024-12-02 10:43:46,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:43:46,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 10:43:46,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:43:46,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 10:43:46,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2024-12-02 10:43:46,495 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) [2024-12-02 10:43:50,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:43:54,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:43:54,943 INFO L93 Difference]: Finished difference Result 5771 states and 8236 transitions. [2024-12-02 10:43:54,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 10:43:54,944 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 [2024-12-02 10:43:54,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:43:54,958 INFO L225 Difference]: With dead ends: 5771 [2024-12-02 10:43:54,958 INFO L226 Difference]: Without dead ends: 2916 [2024-12-02 10:43:54,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1021 GetRequests, 996 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2024-12-02 10:43:54,966 INFO L435 NwaCegarLoop]: 1923 mSDtfsCounter, 49 mSDsluCounter, 36288 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s 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, 7.9s IncrementalHoareTripleChecker+Time [2024-12-02 10:43:54,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 38211 Invalid, 946 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 931 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2024-12-02 10:43:54,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2916 states. [2024-12-02 10:43:55,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2916 to 2886. [2024-12-02 10:43:55,029 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) [2024-12-02 10:43:55,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2886 states and 4070 transitions. [2024-12-02 10:43:55,040 INFO L78 Accepts]: Start accepts. Automaton has 2886 states and 4070 transitions. Word has length 503 [2024-12-02 10:43:55,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:43:55,040 INFO L471 AbstractCegarLoop]: Abstraction has 2886 states and 4070 transitions. [2024-12-02 10:43:55,040 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) [2024-12-02 10:43:55,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2886 states and 4070 transitions. [2024-12-02 10:43:55,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2024-12-02 10:43:55,046 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:43:55,046 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] [2024-12-02 10:43:55,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 10:43:55,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:43:55,246 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] === [2024-12-02 10:43:55,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:43:55,247 INFO L85 PathProgramCache]: Analyzing trace with hash 238136960, now seen corresponding path program 1 times [2024-12-02 10:43:55,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:43:55,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510245139] [2024-12-02 10:43:55,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:43:55,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:44:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:44:02,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1697 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1697 trivial. 0 not checked. [2024-12-02 10:44:02,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:44:02,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510245139] [2024-12-02 10:44:02,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510245139] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:44:02,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:44:02,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 10:44:02,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073084607] [2024-12-02 10:44:02,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:44:02,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:44:02,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:44:02,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:44:02,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:44:02,457 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) [2024-12-02 10:44:02,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:44:02,616 INFO L93 Difference]: Finished difference Result 2898 states and 4081 transitions. [2024-12-02 10:44:02,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:44:02,616 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 [2024-12-02 10:44:02,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:44:02,634 INFO L225 Difference]: With dead ends: 2898 [2024-12-02 10:44:02,634 INFO L226 Difference]: Without dead ends: 2886 [2024-12-02 10:44:02,636 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 [2024-12-02 10:44:02,636 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 [2024-12-02 10:44:02,636 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] [2024-12-02 10:44:02,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2024-12-02 10:44:02,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2886. [2024-12-02 10:44:02,748 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) [2024-12-02 10:44:02,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2886 states and 4069 transitions. [2024-12-02 10:44:02,763 INFO L78 Accepts]: Start accepts. Automaton has 2886 states and 4069 transitions. Word has length 507 [2024-12-02 10:44:02,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:44:02,764 INFO L471 AbstractCegarLoop]: Abstraction has 2886 states and 4069 transitions. [2024-12-02 10:44:02,765 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) [2024-12-02 10:44:02,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2886 states and 4069 transitions. [2024-12-02 10:44:02,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2024-12-02 10:44:02,773 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:44:02,773 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, 1] [2024-12-02 10:44:02,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 10:44:02,773 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] === [2024-12-02 10:44:02,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:44:02,774 INFO L85 PathProgramCache]: Analyzing trace with hash 25859752, now seen corresponding path program 1 times [2024-12-02 10:44:02,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:44:02,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505490468] [2024-12-02 10:44:02,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:44:02,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:44:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:44:11,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1697 backedges. 13 proven. 45 refuted. 0 times theorem prover too weak. 1639 trivial. 0 not checked. [2024-12-02 10:44:11,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:44:11,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505490468] [2024-12-02 10:44:11,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505490468] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:44:11,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868918159] [2024-12-02 10:44:11,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:44:11,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:44:11,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:44:11,063 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:44:11,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 10:44:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:44:19,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 5550 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-02 10:44:19,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:44:20,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1697 backedges. 841 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2024-12-02 10:44:20,564 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:44:20,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868918159] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:44:20,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:44:20,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 15 [2024-12-02 10:44:20,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942727888] [2024-12-02 10:44:20,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:44:20,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 10:44:20,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:44:20,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 10:44:20,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-12-02 10:44:20,567 INFO L87 Difference]: Start difference. First operand 2886 states and 4069 transitions. Second operand has 12 states, 10 states have (on average 18.4) internal successors, (184), 9 states have internal predecessors, (184), 4 states have call successors, (63), 2 states have call predecessors, (63), 5 states have return successors, (61), 5 states have call predecessors, (61), 4 states have call successors, (61) [2024-12-02 10:44:21,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:44:21,712 INFO L93 Difference]: Finished difference Result 6201 states and 8906 transitions. [2024-12-02 10:44:21,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 10:44:21,712 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 18.4) internal successors, (184), 9 states have internal predecessors, (184), 4 states have call successors, (63), 2 states have call predecessors, (63), 5 states have return successors, (61), 5 states have call predecessors, (61), 4 states have call successors, (61) Word has length 508 [2024-12-02 10:44:21,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:44:21,727 INFO L225 Difference]: With dead ends: 6201 [2024-12-02 10:44:21,727 INFO L226 Difference]: Without dead ends: 3330 [2024-12-02 10:44:21,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 506 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2024-12-02 10:44:21,736 INFO L435 NwaCegarLoop]: 1936 mSDtfsCounter, 209 mSDsluCounter, 19325 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 10:44:21,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 21261 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 10:44:21,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3330 states. [2024-12-02 10:44:21,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3330 to 3098. [2024-12-02 10:44:21,871 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) [2024-12-02 10:44:21,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 3098 states and 4382 transitions. [2024-12-02 10:44:21,890 INFO L78 Accepts]: Start accepts. Automaton has 3098 states and 4382 transitions. Word has length 508 [2024-12-02 10:44:21,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:44:21,890 INFO L471 AbstractCegarLoop]: Abstraction has 3098 states and 4382 transitions. [2024-12-02 10:44:21,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 18.4) internal successors, (184), 9 states have internal predecessors, (184), 4 states have call successors, (63), 2 states have call predecessors, (63), 5 states have return successors, (61), 5 states have call predecessors, (61), 4 states have call successors, (61) [2024-12-02 10:44:21,891 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 4382 transitions. [2024-12-02 10:44:21,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2024-12-02 10:44:21,899 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:44:21,899 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 16, 16, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:44:21,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 10:44:22,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:44:22,100 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] === [2024-12-02 10:44:22,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:44:22,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1346351320, now seen corresponding path program 2 times [2024-12-02 10:44:22,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:44:22,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959810547] [2024-12-02 10:44:22,101 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 10:44:22,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:44:28,339 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 10:44:28,340 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 10:44:34,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2157 backedges. 131 proven. 7 refuted. 0 times theorem prover too weak. 2019 trivial. 0 not checked. [2024-12-02 10:44:34,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:44:34,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959810547] [2024-12-02 10:44:34,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959810547] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:44:34,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352785130] [2024-12-02 10:44:34,605 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 10:44:34,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:44:34,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:44:34,607 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:44:34,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f784cedc-6d04-48c9-87a8-eb17e42ae0e9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process