./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4f18c-db0b-48aa-ae01-e17dfa3525a4/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4f18c-db0b-48aa-ae01-e17dfa3525a4/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4f18c-db0b-48aa-ae01-e17dfa3525a4/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4f18c-db0b-48aa-ae01-e17dfa3525a4/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4f18c-db0b-48aa-ae01-e17dfa3525a4/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4f18c-db0b-48aa-ae01-e17dfa3525a4/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 384d76f2b579c3776890746933030ac5fcfc9487f32fbc530ea50ee4dc8551b1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:08:04,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:08:04,700 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4f18c-db0b-48aa-ae01-e17dfa3525a4/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:08:04,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:08:04,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:08:04,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:08:04,746 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:08:04,747 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:08:04,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:08:04,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:08:04,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:08:04,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:08:04,755 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:08:04,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:08:04,757 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:08:04,758 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:08:04,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:08:04,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:08:04,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:08:04,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:08:04,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:08:04,760 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:08:04,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:08:04,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:08:04,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:08:04,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:08:04,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:08:04,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:08:04,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:08:04,764 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:08:04,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:08:04,789 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:08:04,789 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:08:04,789 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:08:04,790 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:08:04,790 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:08:04,790 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4f18c-db0b-48aa-ae01-e17dfa3525a4/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4f18c-db0b-48aa-ae01-e17dfa3525a4/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 384d76f2b579c3776890746933030ac5fcfc9487f32fbc530ea50ee4dc8551b1 [2023-11-12 02:08:05,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:08:05,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:08:05,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:08:05,119 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:08:05,120 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:08:05,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4f18c-db0b-48aa-ae01-e17dfa3525a4/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2023-11-12 02:08:08,143 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:08:08,894 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:08:08,895 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4f18c-db0b-48aa-ae01-e17dfa3525a4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2023-11-12 02:08:08,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4f18c-db0b-48aa-ae01-e17dfa3525a4/bin/uautomizer-verify-uTZkv6EMXl/data/32c47b3c4/fcfd23db861c4a37a511211b555a0708/FLAG4e8e1cf99 [2023-11-12 02:08:08,962 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4f18c-db0b-48aa-ae01-e17dfa3525a4/bin/uautomizer-verify-uTZkv6EMXl/data/32c47b3c4/fcfd23db861c4a37a511211b555a0708 [2023-11-12 02:08:08,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:08:08,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:08:08,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:08:08,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:08:08,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:08:08,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:08:08" (1/1) ... [2023-11-12 02:08:08,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1090ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:08, skipping insertion in model container [2023-11-12 02:08:08,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:08:08" (1/1) ... [2023-11-12 02:08:09,161 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:08:11,344 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4f18c-db0b-48aa-ae01-e17dfa3525a4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i[269359,269372] [2023-11-12 02:08:11,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:08:11,402 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:08:11,503 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"); [5328] [2023-11-12 02:08:11,505 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)); [5335] [2023-11-12 02:08:11,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5342] [2023-11-12 02:08:11,507 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/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/e5e3e20/linux-drivers-clk1/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5382-5383] [2023-11-12 02:08:11,508 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"); [5388-5390] [2023-11-12 02:08:11,705 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4f18c-db0b-48aa-ae01-e17dfa3525a4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i[269359,269372] [2023-11-12 02:08:11,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:08:11,856 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:08:11,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:11 WrapperNode [2023-11-12 02:08:11,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:08:11,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:08:11,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:08:11,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:08:11,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:11" (1/1) ... [2023-11-12 02:08:11,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:11" (1/1) ... [2023-11-12 02:08:12,200 INFO L138 Inliner]: procedures = 306, calls = 1495, calls flagged for inlining = 184, calls inlined = 172, statements flattened = 4581 [2023-11-12 02:08:12,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:08:12,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:08:12,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:08:12,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:08:12,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:11" (1/1) ... [2023-11-12 02:08:12,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:11" (1/1) ... [2023-11-12 02:08:12,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:11" (1/1) ... [2023-11-12 02:08:12,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:11" (1/1) ... [2023-11-12 02:08:12,372 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:11" (1/1) ... [2023-11-12 02:08:12,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:11" (1/1) ... [2023-11-12 02:08:12,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:11" (1/1) ... [2023-11-12 02:08:12,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:11" (1/1) ... [2023-11-12 02:08:12,487 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:08:12,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:08:12,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:08:12,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:08:12,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:11" (1/1) ... [2023-11-12 02:08:12,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:08:12,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4f18c-db0b-48aa-ae01-e17dfa3525a4/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:08:12,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4f18c-db0b-48aa-ae01-e17dfa3525a4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:08:12,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4f18c-db0b-48aa-ae01-e17dfa3525a4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:08:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:08:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:08:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:08:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:08:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:08:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:08:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:08:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:08:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2023-11-12 02:08:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2023-11-12 02:08:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:08:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:08:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open_clean [2023-11-12 02:08:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open_clean [2023-11-12 02:08:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 02:08:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 02:08:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure devm_regulator_get [2023-11-12 02:08:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_regulator_get [2023-11-12 02:08:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 02:08:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 02:08:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_spi_trans [2023-11-12 02:08:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_spi_trans [2023-11-12 02:08:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_mcp251x_can_driver_exit_12_2 [2023-11-12 02:08:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_mcp251x_can_driver_exit_12_2 [2023-11-12 02:08:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-12 02:08:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-12 02:08:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_read_reg [2023-11-12 02:08:12,570 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_read_reg [2023-11-12 02:08:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:08:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 02:08:12,570 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 02:08:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:08:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 02:08:12,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 02:08:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_stop [2023-11-12 02:08:12,571 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_stop [2023-11-12 02:08:12,572 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_bits [2023-11-12 02:08:12,572 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_bits [2023-11-12 02:08:12,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:08:12,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:08:12,572 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2023-11-12 02:08:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2023-11-12 02:08:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2023-11-12 02:08:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2023-11-12 02:08:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:08:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:08:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2023-11-12 02:08:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2023-11-12 02:08:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-12 02:08:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-12 02:08:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 02:08:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 02:08:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 02:08:12,575 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 02:08:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 02:08:12,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 02:08:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:08:12,576 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:08:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2023-11-12 02:08:12,576 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2023-11-12 02:08:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 02:08:12,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 02:08:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 02:08:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 02:08:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2023-11-12 02:08:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2023-11-12 02:08:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 02:08:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 02:08:12,578 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-12 02:08:12,578 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-12 02:08:12,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:08:12,578 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_set_normal_mode [2023-11-12 02:08:12,578 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_set_normal_mode [2023-11-12 02:08:12,579 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:08:12,579 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:08:12,579 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_remove [2023-11-12 02:08:12,579 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_remove [2023-11-12 02:08:12,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:08:12,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 02:08:12,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 02:08:12,580 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 02:08:12,580 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 02:08:12,580 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_error_skb [2023-11-12 02:08:12,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_error_skb [2023-11-12 02:08:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_sleep [2023-11-12 02:08:12,581 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_sleep [2023-11-12 02:08:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-12 02:08:12,581 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-12 02:08:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:08:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_clean [2023-11-12 02:08:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_clean [2023-11-12 02:08:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_disable [2023-11-12 02:08:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_disable [2023-11-12 02:08:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:08:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:08:12,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-12 02:08:12,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2023-11-12 02:08:12,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 02:08:12,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 02:08:12,583 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_power_enable [2023-11-12 02:08:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_power_enable [2023-11-12 02:08:12,584 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_suspend [2023-11-12 02:08:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_suspend [2023-11-12 02:08:12,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:08:12,584 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open [2023-11-12 02:08:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open [2023-11-12 02:08:12,585 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_probe [2023-11-12 02:08:12,585 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_probe [2023-11-12 02:08:12,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:08:12,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:08:12,585 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_resume [2023-11-12 02:08:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_resume [2023-11-12 02:08:12,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:08:12,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 02:08:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 02:08:12,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 02:08:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 02:08:12,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2023-11-12 02:08:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2023-11-12 02:08:12,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-12 02:08:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-12 02:08:12,587 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_reset [2023-11-12 02:08:12,588 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_reset [2023-11-12 02:08:12,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:08:12,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 02:08:12,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 02:08:12,588 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:08:12,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:08:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:08:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2023-11-12 02:08:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2023-11-12 02:08:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:08:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:08:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:08:12,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:08:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2023-11-12 02:08:12,590 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2023-11-12 02:08:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 02:08:12,590 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 02:08:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_setup [2023-11-12 02:08:12,591 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_setup [2023-11-12 02:08:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 02:08:12,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 02:08:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2023-11-12 02:08:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2023-11-12 02:08:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 02:08:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 02:08:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:08:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:08:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_rx [2023-11-12 02:08:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_rx [2023-11-12 02:08:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_is_2510 [2023-11-12 02:08:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_is_2510 [2023-11-12 02:08:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:08:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2023-11-12 02:08:12,594 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2023-11-12 02:08:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_reg [2023-11-12 02:08:12,594 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_reg [2023-11-12 02:08:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-12 02:08:12,594 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-12 02:08:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 02:08:12,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 02:08:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:08:12,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:08:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 02:08:12,595 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 02:08:13,396 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:08:13,400 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:08:14,012 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:09:07,219 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 02:09:08,491 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:09:08,510 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:09:08,510 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:09:08,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:09:08 BoogieIcfgContainer [2023-11-12 02:09:08,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:09:08,518 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:09:08,518 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:09:08,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:09:08,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:08:08" (1/3) ... [2023-11-12 02:09:08,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@776acb7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:09:08, skipping insertion in model container [2023-11-12 02:09:08,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:11" (2/3) ... [2023-11-12 02:09:08,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@776acb7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:09:08, skipping insertion in model container [2023-11-12 02:09:08,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:09:08" (3/3) ... [2023-11-12 02:09:08,525 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2023-11-12 02:09:08,545 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:09:08,546 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:09:08,657 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:09:08,665 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@62ec5924, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:09:08,666 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:09:08,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 1600 states, 1163 states have (on average 1.3422184006878761) internal successors, (1561), 1183 states have internal predecessors, (1561), 362 states have call successors, (362), 75 states have call predecessors, (362), 74 states have return successors, (353), 346 states have call predecessors, (353), 353 states have call successors, (353) [2023-11-12 02:09:08,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-12 02:09:08,725 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:09:08,726 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:09:08,727 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:09:08,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:08,768 INFO L85 PathProgramCache]: Analyzing trace with hash -936302426, now seen corresponding path program 1 times [2023-11-12 02:09:08,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:08,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714181390] [2023-11-12 02:09:08,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:08,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms