./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871e7a19-1a9b-40c0-a435-fcba04c8f619/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871e7a19-1a9b-40c0-a435-fcba04c8f619/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871e7a19-1a9b-40c0-a435-fcba04c8f619/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871e7a19-1a9b-40c0-a435-fcba04c8f619/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871e7a19-1a9b-40c0-a435-fcba04c8f619/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871e7a19-1a9b-40c0-a435-fcba04c8f619/bin/ukojak-verify-G8NBE6pJGL --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e8e67529e4f1862dffb4b20b34b9723f96164119a4ebff5a58d56eaf6134a8d1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:43:48,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:43:48,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871e7a19-1a9b-40c0-a435-fcba04c8f619/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 02:43:48,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:43:48,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:43:48,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:43:48,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:43:48,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:43:48,608 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:43:48,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:43:48,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:43:48,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:43:48,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:43:48,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:43:48,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:43:48,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:43:48,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:43:48,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:43:48,617 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:43:48,617 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:43:48,618 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:43:48,620 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:43:48,621 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:43:48,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:43:48,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:43:48,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:43:48,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:43:48,623 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:43:48,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:43:48,624 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:43:48,625 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_871e7a19-1a9b-40c0-a435-fcba04c8f619/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871e7a19-1a9b-40c0-a435-fcba04c8f619/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8e67529e4f1862dffb4b20b34b9723f96164119a4ebff5a58d56eaf6134a8d1 [2023-11-19 02:43:48,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:43:48,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:43:48,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:43:48,910 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:43:48,911 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:43:48,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871e7a19-1a9b-40c0-a435-fcba04c8f619/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2023-11-19 02:43:51,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:43:52,661 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:43:52,661 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871e7a19-1a9b-40c0-a435-fcba04c8f619/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2023-11-19 02:43:52,727 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871e7a19-1a9b-40c0-a435-fcba04c8f619/bin/ukojak-verify-G8NBE6pJGL/data/d4f4e4339/aec9e5f133554c90b3e58ad2ce329eec/FLAG44df64e8d [2023-11-19 02:43:52,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871e7a19-1a9b-40c0-a435-fcba04c8f619/bin/ukojak-verify-G8NBE6pJGL/data/d4f4e4339/aec9e5f133554c90b3e58ad2ce329eec [2023-11-19 02:43:52,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:43:52,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:43:52,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:43:52,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:43:52,764 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:43:52,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:43:52" (1/1) ... [2023-11-19 02:43:52,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7207b46c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:52, skipping insertion in model container [2023-11-19 02:43:52,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:43:52" (1/1) ... [2023-11-19 02:43:52,922 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:43:54,967 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_871e7a19-1a9b-40c0-a435-fcba04c8f619/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[283284,283297] [2023-11-19 02:43:55,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:43:55,082 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:43:55,229 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"); [6250] [2023-11-19 02:43:55,231 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)); [6257] [2023-11-19 02:43:55,236 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6402] [2023-11-19 02:43:55,236 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6409] [2023-11-19 02:43:55,236 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6418] [2023-11-19 02:43:55,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6426] [2023-11-19 02:43:55,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [6433] [2023-11-19 02:43:55,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [6441] [2023-11-19 02:43:55,250 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6556-6557] [2023-11-19 02:43:55,253 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6585-6586] [2023-11-19 02:43:55,255 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (108), "i" (12UL)); [6615-6616] [2023-11-19 02:43:55,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6897] [2023-11-19 02:43:55,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6928] [2023-11-19 02:43:55,566 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_871e7a19-1a9b-40c0-a435-fcba04c8f619/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[283284,283297] [2023-11-19 02:43:55,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:43:55,705 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:43:55,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:55 WrapperNode [2023-11-19 02:43:55,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:43:55,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:43:55,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:43:55,708 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:43:55,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:55" (1/1) ... [2023-11-19 02:43:55,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:55" (1/1) ... [2023-11-19 02:43:55,970 INFO L138 Inliner]: procedures = 215, calls = 1704, calls flagged for inlining = 108, calls inlined = 105, statements flattened = 3325 [2023-11-19 02:43:55,971 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:43:55,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:43:55,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:43:55,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:43:55,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:55" (1/1) ... [2023-11-19 02:43:55,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:55" (1/1) ... [2023-11-19 02:43:56,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:55" (1/1) ... [2023-11-19 02:43:56,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:55" (1/1) ... [2023-11-19 02:43:56,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:55" (1/1) ... [2023-11-19 02:43:56,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:55" (1/1) ... [2023-11-19 02:43:56,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:55" (1/1) ... [2023-11-19 02:43:56,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:55" (1/1) ... [2023-11-19 02:43:56,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:43:56,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:43:56,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:43:56,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:43:56,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:55" (1/1) ... [2023-11-19 02:43:56,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:43:56,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871e7a19-1a9b-40c0-a435-fcba04c8f619/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:43:56,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871e7a19-1a9b-40c0-a435-fcba04c8f619/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:43:56,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871e7a19-1a9b-40c0-a435-fcba04c8f619/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:43:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 02:43:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 02:43:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 02:43:56,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 02:43:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 02:43:56,370 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 02:43:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 02:43:56,371 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 02:43:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 02:43:56,371 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 02:43:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 02:43:56,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 02:43:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 02:43:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 02:43:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 02:43:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 02:43:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 02:43:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 02:43:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 02:43:56,373 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 02:43:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 02:43:56,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 02:43:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:43:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:43:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 02:43:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 02:43:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-19 02:43:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-19 02:43:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 02:43:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 02:43:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:43:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_read_long [2023-11-19 02:43:56,377 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_read_long [2023-11-19 02:43:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:43:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 02:43:56,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 02:43:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 02:43:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 02:43:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:43:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 02:43:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 02:43:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 02:43:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_adap_init [2023-11-19 02:43:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_adap_init [2023-11-19 02:43:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 02:43:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 02:43:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-19 02:43:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-19 02:43:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-11-19 02:43:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-11-19 02:43:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_int_common [2023-11-19 02:43:56,380 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_int_common [2023-11-19 02:43:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 02:43:56,380 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 02:43:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 02:43:56,380 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 02:43:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 02:43:56,381 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 02:43:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_rcv_flush [2023-11-19 02:43:56,381 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_rcv_flush [2023-11-19 02:43:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_get_stats [2023-11-19 02:43:56,383 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_get_stats [2023-11-19 02:43:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 02:43:56,384 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 02:43:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_cam [2023-11-19 02:43:56,384 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_cam [2023-11-19 02:43:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 02:43:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_cmd_req [2023-11-19 02:43:56,385 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_cmd_req [2023-11-19 02:43:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_uninit [2023-11-19 02:43:56,385 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_uninit [2023-11-19 02:43:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 02:43:56,385 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 02:43:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 02:43:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 02:43:56,386 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 02:43:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2023-11-19 02:43:56,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2023-11-19 02:43:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-19 02:43:56,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-19 02:43:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:43:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure my_skb_align [2023-11-19 02:43:56,387 INFO L138 BoogieDeclarations]: Found implementation of procedure my_skb_align [2023-11-19 02:43:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 02:43:56,387 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 02:43:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 02:43:56,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 02:43:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 02:43:56,389 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 02:43:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_write_long [2023-11-19 02:43:56,389 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_write_long [2023-11-19 02:43:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 02:43:56,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 02:43:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 02:43:56,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 02:43:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:43:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 02:43:56,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 02:43:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-19 02:43:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-19 02:43:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-19 02:43:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-19 02:43:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 02:43:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 02:43:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 02:43:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 02:43:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:43:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-19 02:43:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-19 02:43:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_port_ctrl_req [2023-11-19 02:43:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_port_ctrl_req [2023-11-19 02:43:56,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:43:56,394 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_xmt_flush [2023-11-19 02:43:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_xmt_flush [2023-11-19 02:43:56,394 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 02:43:56,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 02:43:56,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:43:56,396 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_filters [2023-11-19 02:43:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_filters [2023-11-19 02:43:56,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 02:43:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 02:43:56,396 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_mac_address [2023-11-19 02:43:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_mac_address [2023-11-19 02:43:56,397 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_multicast_list [2023-11-19 02:43:56,397 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_multicast_list [2023-11-19 02:43:56,397 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_adap_state_rd [2023-11-19 02:43:56,397 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_adap_state_rd [2023-11-19 02:43:56,397 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 02:43:56,397 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 02:43:56,397 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 02:43:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 02:43:56,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:43:56,399 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_get_bars [2023-11-19 02:43:56,399 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_get_bars [2023-11-19 02:43:56,399 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-19 02:43:56,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-19 02:43:56,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:43:56,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:43:57,059 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:43:57,063 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:43:58,856 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 02:44:34,235 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:44:35,653 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:44:35,654 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:44:35,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:35 BoogieIcfgContainer [2023-11-19 02:44:35,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:44:35,673 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:44:35,674 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:44:35,685 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:44:35,688 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:35" (1/1) ... [2023-11-19 02:44:35,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:44:35,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:35,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 977 states and 1418 transitions. [2023-11-19 02:44:35,826 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1418 transitions. [2023-11-19 02:44:35,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 02:44:35,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:35,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:37,141 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-19 02:44:37,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:37,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 984 states and 1461 transitions. [2023-11-19 02:44:37,810 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1461 transitions. [2023-11-19 02:44:37,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 02:44:37,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:37,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:38,527 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-19 02:44:39,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:39,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 992 states and 1506 transitions. [2023-11-19 02:44:39,183 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1506 transitions. [2023-11-19 02:44:39,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-19 02:44:39,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:39,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:39,648 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-19 02:44:39,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:39,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 996 states and 1543 transitions. [2023-11-19 02:44:39,933 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1543 transitions. [2023-11-19 02:44:39,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 02:44:39,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:39,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:40,494 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-19 02:44:41,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:41,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1003 states and 1587 transitions. [2023-11-19 02:44:41,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1587 transitions. [2023-11-19 02:44:41,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-19 02:44:41,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:41,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:41,865 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-19 02:44:42,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:42,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1006 states and 1620 transitions. [2023-11-19 02:44:42,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1620 transitions. [2023-11-19 02:44:42,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-19 02:44:42,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:42,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:42,977 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:44:43,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:43,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1009 states and 1626 transitions. [2023-11-19 02:44:43,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1626 transitions. [2023-11-19 02:44:43,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 02:44:43,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:43,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:43,712 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:44:43,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:43,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1012 states and 1631 transitions. [2023-11-19 02:44:43,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1631 transitions. [2023-11-19 02:44:43,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 02:44:43,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:43,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:44,236 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:44:44,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:44,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1014 states and 1634 transitions. [2023-11-19 02:44:44,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1634 transitions. [2023-11-19 02:44:44,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 02:44:44,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:44,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:44,753 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:44:45,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:45,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1017 states and 1643 transitions. [2023-11-19 02:44:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1643 transitions. [2023-11-19 02:44:45,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 02:44:45,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:45,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:45,578 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:44:45,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:45,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1019 states and 1674 transitions. [2023-11-19 02:44:45,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1674 transitions. [2023-11-19 02:44:45,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 02:44:45,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:45,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:46,245 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.