./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b7cd4-93db-4b91-a510-af83bb0fbeee/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b7cd4-93db-4b91-a510-af83bb0fbeee/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_f21b7cd4-93db-4b91-a510-af83bb0fbeee/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b7cd4-93db-4b91-a510-af83bb0fbeee/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b7cd4-93db-4b91-a510-af83bb0fbeee/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_f21b7cd4-93db-4b91-a510-af83bb0fbeee/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 2c6aa6e54aa03d80dc4005d195dc80cde5e772aed59b94df03248a4abb3fc0ec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:10:26,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:10:26,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b7cd4-93db-4b91-a510-af83bb0fbeee/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:10:26,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:10:26,565 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:10:26,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:10:26,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:10:26,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:10:26,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:10:26,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:10:26,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:10:26,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:10:26,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:10:26,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:10:26,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:10:26,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:10:26,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:10:26,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:10:26,623 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:10:26,624 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:10:26,624 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:10:26,625 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:10:26,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:10:26,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:10:26,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:10:26,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:10:26,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:10:26,628 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:10:26,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:10:26,629 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:10:26,629 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_f21b7cd4-93db-4b91-a510-af83bb0fbeee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b7cd4-93db-4b91-a510-af83bb0fbeee/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c6aa6e54aa03d80dc4005d195dc80cde5e772aed59b94df03248a4abb3fc0ec [2023-11-19 03:10:26,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:10:26,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:10:27,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:10:27,004 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:10:27,004 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:10:27,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b7cd4-93db-4b91-a510-af83bb0fbeee/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i [2023-11-19 03:10:30,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:10:31,039 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:10:31,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b7cd4-93db-4b91-a510-af83bb0fbeee/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i [2023-11-19 03:10:31,107 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b7cd4-93db-4b91-a510-af83bb0fbeee/bin/ukojak-verify-G8NBE6pJGL/data/96dc3f4b3/cdffa0aecabe473e9512014556735032/FLAG35f0a4680 [2023-11-19 03:10:31,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b7cd4-93db-4b91-a510-af83bb0fbeee/bin/ukojak-verify-G8NBE6pJGL/data/96dc3f4b3/cdffa0aecabe473e9512014556735032 [2023-11-19 03:10:31,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:10:31,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:10:31,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:10:31,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:10:31,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:10:31,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:31" (1/1) ... [2023-11-19 03:10:31,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3086e730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:31, skipping insertion in model container [2023-11-19 03:10:31,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:31" (1/1) ... [2023-11-19 03:10:31,309 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:10:33,264 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_f21b7cd4-93db-4b91-a510-af83bb0fbeee/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i[284671,284684] [2023-11-19 03:10:33,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:10:33,403 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:10:33,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6219-6225] [2023-11-19 03:10:33,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "bts %2,%1\n\t" "sbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6232-6239] [2023-11-19 03:10:33,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6248] [2023-11-19 03:10:33,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (853), "i" (sizeof(struct bug_entry ))); [6305-6311] [2023-11-19 03:10:33,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.save_fl.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6331-6355] [2023-11-19 03:10:33,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("" "771:\n\t" "call *%c[paravirt_opptr];" "\n" "772:\n" ".pushsection .parainstructions,\"a\"\n" " " ".balign 8" " " "\n" " " ".quad" " " " 771b\n" " .byte " "%c[paravirt_typenum]" "\n" " .byte 772b-771b\n" " .short " "%c[paravirt_clobber]" "\n" ".popsection\n" "": "=a" (__eax): [paravirt_typenum] "i" ((unsigned long )((unsigned int )(& ((struct paravirt_patch_template *)0)->pv_irq_ops.save_fl.func)) / sizeof(void *)), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6358-6382] [2023-11-19 03:10:33,889 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_f21b7cd4-93db-4b91-a510-af83bb0fbeee/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i[284671,284684] [2023-11-19 03:10:33,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:10:34,055 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:10:34,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:34 WrapperNode [2023-11-19 03:10:34,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:10:34,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:10:34,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:10:34,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:10:34,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:34" (1/1) ... [2023-11-19 03:10:34,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:34" (1/1) ... [2023-11-19 03:10:34,389 INFO L138 Inliner]: procedures = 177, calls = 1697, calls flagged for inlining = 87, calls inlined = 82, statements flattened = 4036 [2023-11-19 03:10:34,390 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:10:34,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:10:34,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:10:34,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:10:34,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:34" (1/1) ... [2023-11-19 03:10:34,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:34" (1/1) ... [2023-11-19 03:10:34,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:34" (1/1) ... [2023-11-19 03:10:34,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:34" (1/1) ... [2023-11-19 03:10:34,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:34" (1/1) ... [2023-11-19 03:10:34,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:34" (1/1) ... [2023-11-19 03:10:34,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:34" (1/1) ... [2023-11-19 03:10:34,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:34" (1/1) ... [2023-11-19 03:10:34,692 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:10:34,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:10:34,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:10:34,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:10:34,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:34" (1/1) ... [2023-11-19 03:10:34,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:10:34,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b7cd4-93db-4b91-a510-af83bb0fbeee/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:10:34,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b7cd4-93db-4b91-a510-af83bb0fbeee/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:10:34,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b7cd4-93db-4b91-a510-af83bb0fbeee/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:10:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 03:10:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 03:10:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 03:10:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 03:10:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 03:10:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 03:10:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2023-11-19 03:10:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2023-11-19 03:10:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:10:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-19 03:10:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-19 03:10:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2023-11-19 03:10:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2023-11-19 03:10:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 03:10:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:10:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-11-19 03:10:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-11-19 03:10:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:10:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2023-11-19 03:10:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2023-11-19 03:10:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2023-11-19 03:10:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2023-11-19 03:10:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2023-11-19 03:10:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2023-11-19 03:10:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 03:10:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 03:10:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 03:10:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 03:10:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 03:10:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 03:10:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-19 03:10:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-19 03:10:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-19 03:10:34,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-19 03:10:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 03:10:34,806 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 03:10:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2023-11-19 03:10:34,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2023-11-19 03:10:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 03:10:34,807 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 03:10:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2023-11-19 03:10:34,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2023-11-19 03:10:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:10:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 03:10:34,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 03:10:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2023-11-19 03:10:34,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2023-11-19 03:10:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2023-11-19 03:10:34,810 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2023-11-19 03:10:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2023-11-19 03:10:34,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2023-11-19 03:10:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2023-11-19 03:10:34,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2023-11-19 03:10:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit [2023-11-19 03:10:34,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit [2023-11-19 03:10:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2023-11-19 03:10:34,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2023-11-19 03:10:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2023-11-19 03:10:34,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2023-11-19 03:10:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:10:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 03:10:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 03:10:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init [2023-11-19 03:10:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init [2023-11-19 03:10:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:10:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:10:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:10:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-11-19 03:10:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-11-19 03:10:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 03:10:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 03:10:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 03:10:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 03:10:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:10:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-19 03:10:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-19 03:10:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 03:10:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 03:10:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-19 03:10:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-19 03:10:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:10:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:10:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2023-11-19 03:10:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2023-11-19 03:10:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 03:10:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 03:10:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 03:10:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 03:10:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2023-11-19 03:10:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2023-11-19 03:10:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-19 03:10:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-19 03:10:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 03:10:34,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 03:10:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 03:10:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 03:10:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 03:10:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 03:10:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2023-11-19 03:10:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2023-11-19 03:10:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 03:10:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 03:10:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 03:10:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 03:10:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2023-11-19 03:10:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2023-11-19 03:10:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-19 03:10:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-19 03:10:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2023-11-19 03:10:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2023-11-19 03:10:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2023-11-19 03:10:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2023-11-19 03:10:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-19 03:10:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-19 03:10:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:10:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-11-19 03:10:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-11-19 03:10:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2023-11-19 03:10:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2023-11-19 03:10:34,829 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-19 03:10:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-19 03:10:34,829 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2023-11-19 03:10:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2023-11-19 03:10:34,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 03:10:34,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:10:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:10:35,774 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:10:35,781 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:10:36,142 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 03:10:36,313 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2023-11-19 03:10:36,313 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2023-11-19 03:10:36,828 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 03:10:38,552 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##282: assume !false; [2023-11-19 03:10:38,552 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##281: assume false; [2023-11-19 03:10:38,982 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2023-11-19 03:10:39,014 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 03:10:39,015 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 03:10:47,813 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume !false; [2023-11-19 03:10:47,814 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume false; [2023-11-19 03:10:47,814 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2023-11-19 03:10:47,814 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2023-11-19 03:10:47,814 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L8653: ttusb_dec_start_feed_#res#1 := 0; [2023-11-19 03:10:48,506 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 03:10:50,207 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2023-11-19 03:10:50,207 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2023-11-19 03:10:50,323 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:10:51,843 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:10:51,843 INFO L302 CfgBuilder]: Removed 38 assume(true) statements. [2023-11-19 03:10:51,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:51 BoogieIcfgContainer [2023-11-19 03:10:51,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:10:51,866 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:10:51,866 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:10:51,878 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:10:51,879 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:51" (1/1) ... [2023-11-19 03:10:51,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:10:51,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:52,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 952 states and 1404 transitions. [2023-11-19 03:10:52,051 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1404 transitions. [2023-11-19 03:10:52,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:10:52,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:52,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:56,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:56,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:56,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 955 states and 1403 transitions. [2023-11-19 03:10:56,376 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1403 transitions. [2023-11-19 03:10:56,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:10:56,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:56,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:59,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:59,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:59,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 957 states and 1405 transitions. [2023-11-19 03:10:59,797 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1405 transitions. [2023-11-19 03:10:59,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:10:59,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:59,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:02,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:02,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:02,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 957 states and 1404 transitions. [2023-11-19 03:11:02,374 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1404 transitions. [2023-11-19 03:11:02,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:11:02,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:02,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:04,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:05,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:05,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 960 states and 1407 transitions. [2023-11-19 03:11:05,421 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1407 transitions. [2023-11-19 03:11:05,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:11:05,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:05,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:07,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:08,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:08,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 964 states and 1419 transitions. [2023-11-19 03:11:08,248 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1419 transitions. [2023-11-19 03:11:08,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:11:08,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:08,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:10,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:10,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:10,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 968 states and 1431 transitions. [2023-11-19 03:11:10,971 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1431 transitions. [2023-11-19 03:11:10,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:11:10,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:10,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:11:13,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:13,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 971 states and 1435 transitions. [2023-11-19 03:11:13,399 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1435 transitions. [2023-11-19 03:11:13,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:11:13,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:13,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:15,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:16,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:16,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 976 states and 1446 transitions. [2023-11-19 03:11:16,176 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1446 transitions. [2023-11-19 03:11:16,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:11:16,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:16,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:18,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:11:18,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:18,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 977 states and 1447 transitions. [2023-11-19 03:11:18,314 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1447 transitions. [2023-11-19 03:11:18,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:11:18,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:18,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:11:20,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:20,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 980 states and 1452 transitions. [2023-11-19 03:11:20,572 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1452 transitions. [2023-11-19 03:11:20,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:11:20,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:20,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms