./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.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_0fb66c9e-a4c5-434b-8f9c-99e1fbd65f8c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb66c9e-a4c5-434b-8f9c-99e1fbd65f8c/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_0fb66c9e-a4c5-434b-8f9c-99e1fbd65f8c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb66c9e-a4c5-434b-8f9c-99e1fbd65f8c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb66c9e-a4c5-434b-8f9c-99e1fbd65f8c/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_0fb66c9e-a4c5-434b-8f9c-99e1fbd65f8c/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 01d4ebb86f2bde0df0d47bbd5d9b632b620f2501e68770553e85fb2bb5a7d15a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:57:56,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:57:56,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb66c9e-a4c5-434b-8f9c-99e1fbd65f8c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 02:57:56,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:57:56,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:57:56,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:57:56,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:57:56,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:57:56,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:57:56,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:57:56,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:57:56,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:57:56,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:57:56,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:57:56,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:57:56,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:57:56,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:57:56,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:57:56,322 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:57:56,322 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:57:56,323 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:57:56,324 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:57:56,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:57:56,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:56,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:57:56,326 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:57:56,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:57:56,327 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:57:56,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:57:56,328 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:57:56,328 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_0fb66c9e-a4c5-434b-8f9c-99e1fbd65f8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb66c9e-a4c5-434b-8f9c-99e1fbd65f8c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01d4ebb86f2bde0df0d47bbd5d9b632b620f2501e68770553e85fb2bb5a7d15a [2023-11-19 02:57:56,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:57:56,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:57:56,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:57:56,626 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:57:56,629 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:57:56,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb66c9e-a4c5-434b-8f9c-99e1fbd65f8c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2023-11-19 02:57:59,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:58:00,288 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:58:00,289 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb66c9e-a4c5-434b-8f9c-99e1fbd65f8c/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2023-11-19 02:58:00,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb66c9e-a4c5-434b-8f9c-99e1fbd65f8c/bin/ukojak-verify-G8NBE6pJGL/data/678836090/b80e146e73bf4d9fb96baaed3e5e3f90/FLAG85013e372 [2023-11-19 02:58:00,348 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb66c9e-a4c5-434b-8f9c-99e1fbd65f8c/bin/ukojak-verify-G8NBE6pJGL/data/678836090/b80e146e73bf4d9fb96baaed3e5e3f90 [2023-11-19 02:58:00,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:58:00,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:58:00,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:00,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:58:00,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:58:00,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:00" (1/1) ... [2023-11-19 02:58:00,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250536bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:00, skipping insertion in model container [2023-11-19 02:58:00,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:00" (1/1) ... [2023-11-19 02:58:00,499 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:58:01,862 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_0fb66c9e-a4c5-434b-8f9c-99e1fbd65f8c/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2023-11-19 02:58:01,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:01,961 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:58:02,067 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"); [4831-4837] [2023-11-19 02:58:02,069 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; " "btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4844-4850] [2023-11-19 02:58:02,069 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; " "btr %2,%1\n\t" "sbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4857-4864] [2023-11-19 02:58:02,071 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; " "incl %0": "+m" (v->counter)); [4894-4900] [2023-11-19 02:58:02,071 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; " "decl %0": "+m" (v->counter)); [4907-4913] [2023-11-19 02:58:02,170 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/work/current--X--drivers/net/can/usb/ems_usb.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/68_1/drivers/net/can/usb/ems_usb.c.common.c"), "i" (510), "i" (sizeof(struct bug_entry ))); [5717-5723] [2023-11-19 02:58:02,325 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_0fb66c9e-a4c5-434b-8f9c-99e1fbd65f8c/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2023-11-19 02:58:02,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:02,566 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:58:02,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02 WrapperNode [2023-11-19 02:58:02,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:02,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:02,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:58:02,568 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:58:02,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,763 INFO L138 Inliner]: procedures = 133, calls = 778, calls flagged for inlining = 54, calls inlined = 44, statements flattened = 1512 [2023-11-19 02:58:02,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:02,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:58:02,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:58:02,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:58:02,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:58:02,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:58:02,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:58:02,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:58:02,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:02" (1/1) ... [2023-11-19 02:58:02,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:02,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb66c9e-a4c5-434b-8f9c-99e1fbd65f8c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:58:02,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb66c9e-a4c5-434b-8f9c-99e1fbd65f8c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:58:02,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb66c9e-a4c5-434b-8f9c-99e1fbd65f8c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:58:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 02:58:02,958 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 02:58:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_init [2023-11-19 02:58:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_init [2023-11-19 02:58:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 02:58:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-19 02:58:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-19 02:58:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 02:58:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 02:58:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:58:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 02:58:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 02:58:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2023-11-19 02:58:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2023-11-19 02:58:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 02:58:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 02:58:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 02:58:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 02:58:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_exit [2023-11-19 02:58:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_exit [2023-11-19 02:58:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2023-11-19 02:58:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2023-11-19 02:58:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 02:58:02,965 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 02:58:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2023-11-19 02:58:02,965 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2023-11-19 02:58:02,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:58:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-19 02:58:02,966 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-19 02:58:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2023-11-19 02:58:02,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2023-11-19 02:58:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-19 02:58:02,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-19 02:58:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 02:58:02,968 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 02:58:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2023-11-19 02:58:02,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2023-11-19 02:58:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:58:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2023-11-19 02:58:02,969 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2023-11-19 02:58:02,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:58:02,970 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 02:58:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 02:58:02,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:58:02,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:58:02,970 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2023-11-19 02:58:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2023-11-19 02:58:02,971 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-11-19 02:58:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-11-19 02:58:02,971 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-11-19 02:58:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-11-19 02:58:02,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:58:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-19 02:58:02,972 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-19 02:58:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-19 02:58:02,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-19 02:58:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2023-11-19 02:58:02,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2023-11-19 02:58:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-19 02:58:02,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-19 02:58:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:58:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 02:58:02,974 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 02:58:02,974 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 02:58:02,974 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 02:58:02,974 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 02:58:02,974 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 02:58:02,974 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 02:58:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-19 02:58:02,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-19 02:58:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 02:58:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 02:58:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2023-11-19 02:58:02,978 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2023-11-19 02:58:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-19 02:58:02,978 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-19 02:58:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 02:58:02,978 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 02:58:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2023-11-19 02:58:02,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2023-11-19 02:58:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2023-11-19 02:58:02,979 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2023-11-19 02:58:02,980 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 02:58:02,980 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 02:58:02,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:58:02,980 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2023-11-19 02:58:02,980 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2023-11-19 02:58:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-19 02:58:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-19 02:58:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 02:58:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:58:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:58:03,361 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:58:03,363 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:58:03,762 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2023-11-19 02:58:03,967 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 02:58:06,626 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2023-11-19 02:58:06,626 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2023-11-19 02:58:06,676 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:58:07,191 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:58:07,192 INFO L302 CfgBuilder]: Removed 13 assume(true) statements. [2023-11-19 02:58:07,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:07 BoogieIcfgContainer [2023-11-19 02:58:07,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:58:07,201 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:58:07,202 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:58:07,211 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:58:07,212 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:07" (1/1) ... [2023-11-19 02:58:07,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:58:07,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:07,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 382 states and 533 transitions. [2023-11-19 02:58:07,298 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 533 transitions. [2023-11-19 02:58:07,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:58:07,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:07,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:09,135 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 02:58:09,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:09,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 385 states and 532 transitions. [2023-11-19 02:58:09,311 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 532 transitions. [2023-11-19 02:58:09,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:58:09,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:09,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:10,638 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 02:58:10,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:10,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 387 states and 534 transitions. [2023-11-19 02:58:10,887 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 534 transitions. [2023-11-19 02:58:10,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:58:10,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:10,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:11,806 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 02:58:11,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:11,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 387 states and 533 transitions. [2023-11-19 02:58:11,835 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 533 transitions. [2023-11-19 02:58:11,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:58:11,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:11,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:12,797 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 02:58:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:13,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 390 states and 536 transitions. [2023-11-19 02:58:13,194 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 536 transitions. [2023-11-19 02:58:13,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:58:13,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:13,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:14,225 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 02:58:14,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:14,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 395 states and 557 transitions. [2023-11-19 02:58:14,457 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 557 transitions. [2023-11-19 02:58:14,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:58:14,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:14,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:15,340 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 02:58:15,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:15,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 400 states and 578 transitions. [2023-11-19 02:58:15,647 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 578 transitions. [2023-11-19 02:58:15,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:58:15,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:15,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:16,664 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 02:58:16,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:16,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 405 states and 597 transitions. [2023-11-19 02:58:16,880 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 597 transitions. [2023-11-19 02:58:16,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:58:16,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:16,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:17,932 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 02:58:18,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:18,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 409 states and 604 transitions. [2023-11-19 02:58:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 604 transitions. [2023-11-19 02:58:18,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:58:18,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:18,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:18,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:18,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:18,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 410 states and 604 transitions. [2023-11-19 02:58:18,816 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 604 transitions. [2023-11-19 02:58:18,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:58:18,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:18,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:19,765 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 02:58:19,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:19,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 414 states and 611 transitions. [2023-11-19 02:58:19,857 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 611 transitions. [2023-11-19 02:58:19,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:58:19,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:19,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:20,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:21,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:21,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 418 states and 622 transitions. [2023-11-19 02:58:21,121 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 622 transitions. [2023-11-19 02:58:21,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:58:21,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:21,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:21,865 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 02:58:21,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:21,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 424 states and 634 transitions. [2023-11-19 02:58:21,894 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 634 transitions. [2023-11-19 02:58:21,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:58:21,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:21,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:22,872 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 02:58:23,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:23,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 427 states and 640 transitions. [2023-11-19 02:58:23,022 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 640 transitions. [2023-11-19 02:58:23,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:58:23,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:23,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:23,939 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 02:58:24,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:24,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 430 states and 646 transitions. [2023-11-19 02:58:24,034 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 646 transitions. [2023-11-19 02:58:24,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:58:24,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:24,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:24,874 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 02:58:24,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:24,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 431 states and 647 transitions. [2023-11-19 02:58:24,892 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 647 transitions. [2023-11-19 02:58:24,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:58:24,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:24,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:25,663 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 02:58:25,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:25,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 432 states and 648 transitions. [2023-11-19 02:58:25,688 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 648 transitions. [2023-11-19 02:58:25,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:58:25,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:25,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:26,590 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 02:58:26,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:26,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 436 states and 657 transitions. [2023-11-19 02:58:26,629 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 657 transitions. [2023-11-19 02:58:26,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:58:26,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:26,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:27,445 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:58:27,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:27,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 438 states and 660 transitions. [2023-11-19 02:58:27,548 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 660 transitions. [2023-11-19 02:58:27,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:58:27,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:27,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:28,259 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 02:58:28,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:28,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 442 states and 669 transitions. [2023-11-19 02:58:28,299 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 669 transitions. [2023-11-19 02:58:28,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:58:28,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:28,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:29,248 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:58:29,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:29,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 445 states and 675 transitions. [2023-11-19 02:58:29,271 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 675 transitions. [2023-11-19 02:58:29,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:58:29,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:29,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:58:30,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 446 states and 675 transitions. [2023-11-19 02:58:30,244 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 675 transitions. [2023-11-19 02:58:30,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:58:30,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:30,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:30,978 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:58:30,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:30,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 447 states and 676 transitions. [2023-11-19 02:58:30,998 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 676 transitions. [2023-11-19 02:58:30,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:58:30,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:30,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:31,693 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 02:58:31,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:31,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 456 states and 690 transitions. [2023-11-19 02:58:31,737 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 690 transitions. [2023-11-19 02:58:31,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:58:31,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:31,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:32,640 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:58:32,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:32,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 457 states and 691 transitions. [2023-11-19 02:58:32,659 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 691 transitions. [2023-11-19 02:58:32,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:58:32,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:32,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:33,564 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:58:33,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:33,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 461 states and 700 transitions. [2023-11-19 02:58:33,608 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 700 transitions. [2023-11-19 02:58:33,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:58:33,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:33,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:34,689 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 02:58:34,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:34,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 470 states and 714 transitions. [2023-11-19 02:58:34,752 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 714 transitions. [2023-11-19 02:58:34,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:58:34,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:34,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:35,594 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:58:35,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:35,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 471 states and 714 transitions. [2023-11-19 02:58:35,628 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 714 transitions. [2023-11-19 02:58:35,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:58:35,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:35,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:36,658 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:58:36,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:36,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 475 states and 722 transitions. [2023-11-19 02:58:36,704 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 722 transitions. [2023-11-19 02:58:36,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:58:36,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:36,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:37,486 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 02:58:37,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:37,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 484 states and 737 transitions. [2023-11-19 02:58:37,537 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 737 transitions. [2023-11-19 02:58:37,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:58:37,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:37,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:38,320 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 02:58:38,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:38,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 485 states and 738 transitions. [2023-11-19 02:58:38,341 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 738 transitions. [2023-11-19 02:58:38,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:58:38,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:38,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:39,156 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 02:58:39,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:39,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 494 states and 753 transitions. [2023-11-19 02:58:39,213 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 753 transitions. [2023-11-19 02:58:39,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:58:39,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:39,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:40,049 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 02:58:40,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:40,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 494 states and 750 transitions. [2023-11-19 02:58:40,079 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 750 transitions. [2023-11-19 02:58:40,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:58:40,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:40,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:40,963 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 02:58:40,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:40,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 495 states and 751 transitions. [2023-11-19 02:58:40,983 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 751 transitions. [2023-11-19 02:58:40,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:58:40,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:40,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:42,048 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:58:42,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:42,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 498 states and 756 transitions. [2023-11-19 02:58:42,587 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 756 transitions. [2023-11-19 02:58:42,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:58:42,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:42,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:44,132 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 02:58:44,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:44,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 505 states and 767 transitions. [2023-11-19 02:58:44,468 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 767 transitions. [2023-11-19 02:58:44,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:58:44,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:44,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:45,253 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 02:58:45,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:45,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 512 states and 779 transitions. [2023-11-19 02:58:45,835 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 779 transitions. [2023-11-19 02:58:45,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:58:45,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:45,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat