./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 0e0057cc 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_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/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_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 03:42:55,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:42:55,408 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 03:42:55,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:42:55,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:42:55,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:42:55,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:42:55,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:42:55,438 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:42:55,438 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:42:55,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:42:55,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:42:55,440 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:42:55,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:42:55,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:42:55,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:42:55,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:42:55,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:42:55,443 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:42:55,443 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:42:55,444 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:42:55,445 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:42:55,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:42:55,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:42:55,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:42:55,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:42:55,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:42:55,447 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:42:55,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:42:55,448 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:42:55,448 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_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01d4ebb86f2bde0df0d47bbd5d9b632b620f2501e68770553e85fb2bb5a7d15a [2023-12-03 03:42:55,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:42:55,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:42:55,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:42:55,689 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:42:55,690 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:42:55,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2023-12-03 03:42:58,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:42:58,856 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:42:58,856 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2023-12-03 03:42:58,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/data/55d576ba7/c1b8d6dc6d2b435ea3be6fb8f2d84e7a/FLAG7cdee4b47 [2023-12-03 03:42:58,905 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/data/55d576ba7/c1b8d6dc6d2b435ea3be6fb8f2d84e7a [2023-12-03 03:42:58,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:42:58,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:42:58,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:42:58,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:42:58,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:42:58,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:42:58" (1/1) ... [2023-12-03 03:42:58,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725aa305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:42:58, skipping insertion in model container [2023-12-03 03:42:58,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:42:58" (1/1) ... [2023-12-03 03:42:59,036 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:43:00,092 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_44b7838e-3db5-4b72-9c38-4e17f7d84171/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2023-12-03 03:43:00,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:43:00,205 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:43:00,274 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] [2023-12-03 03:43:00,275 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] [2023-12-03 03:43:00,276 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] [2023-12-03 03:43:00,278 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] [2023-12-03 03:43:00,278 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] [2023-12-03 03:43:00,324 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] [2023-12-03 03:43:00,383 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_44b7838e-3db5-4b72-9c38-4e17f7d84171/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2023-12-03 03:43:00,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:43:00,538 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:43:00,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:00 WrapperNode [2023-12-03 03:43:00,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:43:00,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:43:00,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:43:00,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:43:00,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:00" (1/1) ... [2023-12-03 03:43:00,585 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:00" (1/1) ... [2023-12-03 03:43:00,649 INFO L138 Inliner]: procedures = 133, calls = 778, calls flagged for inlining = 54, calls inlined = 44, statements flattened = 1558 [2023-12-03 03:43:00,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:43:00,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:43:00,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:43:00,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:43:00,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:00" (1/1) ... [2023-12-03 03:43:00,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:00" (1/1) ... [2023-12-03 03:43:00,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:00" (1/1) ... [2023-12-03 03:43:00,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:00" (1/1) ... [2023-12-03 03:43:00,715 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:00" (1/1) ... [2023-12-03 03:43:00,727 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:00" (1/1) ... [2023-12-03 03:43:00,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:00" (1/1) ... [2023-12-03 03:43:00,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:00" (1/1) ... [2023-12-03 03:43:00,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:43:00,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:43:00,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:43:00,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:43:00,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:00" (1/1) ... [2023-12-03 03:43:00,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:43:00,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:43:00,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:43:00,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:43:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-12-03 03:43:00,822 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-12-03 03:43:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_init [2023-12-03 03:43:00,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_init [2023-12-03 03:43:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 03:43:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-12-03 03:43:00,823 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-12-03 03:43:00,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-03 03:43:00,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-03 03:43:00,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:43:00,823 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-12-03 03:43:00,823 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-12-03 03:43:00,823 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2023-12-03 03:43:00,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2023-12-03 03:43:00,824 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-12-03 03:43:00,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-12-03 03:43:00,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-03 03:43:00,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-03 03:43:00,824 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_exit [2023-12-03 03:43:00,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_exit [2023-12-03 03:43:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2023-12-03 03:43:00,825 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2023-12-03 03:43:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-03 03:43:00,825 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-03 03:43:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2023-12-03 03:43:00,825 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2023-12-03 03:43:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:43:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-12-03 03:43:00,826 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-12-03 03:43:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2023-12-03 03:43:00,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2023-12-03 03:43:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-12-03 03:43:00,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-12-03 03:43:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-12-03 03:43:00,827 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-12-03 03:43:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2023-12-03 03:43:00,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2023-12-03 03:43:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:43:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2023-12-03 03:43:00,827 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2023-12-03 03:43:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:43:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-12-03 03:43:00,828 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-12-03 03:43:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:43:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:43:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2023-12-03 03:43:00,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2023-12-03 03:43:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-12-03 03:43:00,828 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-12-03 03:43:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-12-03 03:43:00,829 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-12-03 03:43:00,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:43:00,829 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-12-03 03:43:00,829 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-12-03 03:43:00,843 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-12-03 03:43:00,843 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-12-03 03:43:00,843 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2023-12-03 03:43:00,843 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2023-12-03 03:43:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-12-03 03:43:00,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-12-03 03:43:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:43:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 03:43:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-03 03:43:00,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-03 03:43:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-12-03 03:43:00,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-12-03 03:43:00,844 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-12-03 03:43:00,845 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-12-03 03:43:00,845 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-12-03 03:43:00,845 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-12-03 03:43:00,845 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-12-03 03:43:00,845 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-12-03 03:43:00,845 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2023-12-03 03:43:00,845 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2023-12-03 03:43:00,845 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-12-03 03:43:00,845 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-12-03 03:43:00,846 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-12-03 03:43:00,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-12-03 03:43:00,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2023-12-03 03:43:00,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2023-12-03 03:43:00,846 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2023-12-03 03:43:00,846 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2023-12-03 03:43:00,846 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-12-03 03:43:00,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-12-03 03:43:00,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:43:00,846 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2023-12-03 03:43:00,847 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2023-12-03 03:43:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-12-03 03:43:00,847 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-12-03 03:43:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-03 03:43:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:43:00,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:43:01,153 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:43:01,156 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:43:01,454 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2023-12-03 03:43:01,606 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-03 03:43:04,081 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2023-12-03 03:43:04,082 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2023-12-03 03:43:04,132 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:43:04,496 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:43:04,496 INFO L309 CfgBuilder]: Removed 13 assume(true) statements. [2023-12-03 03:43:04,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:43:04 BoogieIcfgContainer [2023-12-03 03:43:04,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:43:04,499 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:43:04,499 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:43:04,509 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:43:04,509 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:43:04" (1/1) ... [2023-12-03 03:43:04,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:43:04,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:04,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 382 states and 533 transitions. [2023-12-03 03:43:04,586 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 533 transitions. [2023-12-03 03:43:04,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:43:04,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:04,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:06,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:06,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:06,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 385 states and 532 transitions. [2023-12-03 03:43:06,120 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 532 transitions. [2023-12-03 03:43:06,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 03:43:06,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:06,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:06,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:43:06,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:06,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 387 states and 534 transitions. [2023-12-03 03:43:06,990 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 534 transitions. [2023-12-03 03:43:06,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 03:43:06,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:06,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:07,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:07,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:07,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 387 states and 533 transitions. [2023-12-03 03:43:07,622 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 533 transitions. [2023-12-03 03:43:07,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:43:07,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:07,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:08,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:43:08,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:08,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 390 states and 536 transitions. [2023-12-03 03:43:08,684 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 536 transitions. [2023-12-03 03:43:08,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:43:08,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:08,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:09,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:09,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:09,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 395 states and 557 transitions. [2023-12-03 03:43:09,506 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 557 transitions. [2023-12-03 03:43:09,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:43:09,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:09,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:10,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:10,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:10,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 400 states and 578 transitions. [2023-12-03 03:43:10,293 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 578 transitions. [2023-12-03 03:43:10,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 03:43:10,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:10,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:10,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:11,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:11,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 405 states and 597 transitions. [2023-12-03 03:43:11,066 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 597 transitions. [2023-12-03 03:43:11,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:43:11,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:11,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:11,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:43:11,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:11,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 409 states and 604 transitions. [2023-12-03 03:43:11,912 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 604 transitions. [2023-12-03 03:43:11,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:43:11,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:11,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:12,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:12,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 410 states and 604 transitions. [2023-12-03 03:43:12,631 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 604 transitions. [2023-12-03 03:43:12,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:43:12,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:12,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:13,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:43:13,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:13,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 414 states and 611 transitions. [2023-12-03 03:43:13,220 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 611 transitions. [2023-12-03 03:43:13,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:43:13,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:13,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:14,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:14,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 418 states and 622 transitions. [2023-12-03 03:43:14,158 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 622 transitions. [2023-12-03 03:43:14,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:43:14,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:14,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:14,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:14,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:14,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 424 states and 634 transitions. [2023-12-03 03:43:14,783 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 634 transitions. [2023-12-03 03:43:14,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:43:14,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:14,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:15,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:43:15,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:15,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 427 states and 640 transitions. [2023-12-03 03:43:15,439 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 640 transitions. [2023-12-03 03:43:15,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 03:43:15,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:15,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:15,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:43:16,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:16,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 430 states and 646 transitions. [2023-12-03 03:43:16,040 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 646 transitions. [2023-12-03 03:43:16,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 03:43:16,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:16,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:16,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:43:16,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:16,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 431 states and 647 transitions. [2023-12-03 03:43:16,582 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 647 transitions. [2023-12-03 03:43:16,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 03:43:16,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:16,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:17,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:43:17,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:17,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 432 states and 648 transitions. [2023-12-03 03:43:17,243 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 648 transitions. [2023-12-03 03:43:17,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 03:43:17,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:17,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:17,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:43:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:17,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 436 states and 657 transitions. [2023-12-03 03:43:17,861 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 657 transitions. [2023-12-03 03:43:17,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 03:43:17,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:17,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:18,389 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:43:18,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:18,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 438 states and 660 transitions. [2023-12-03 03:43:18,475 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 660 transitions. [2023-12-03 03:43:18,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:43:18,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:18,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:19,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:43:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:19,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 442 states and 669 transitions. [2023-12-03 03:43:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 669 transitions. [2023-12-03 03:43:19,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:43:19,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:19,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:19,574 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:43:19,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:19,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 445 states and 675 transitions. [2023-12-03 03:43:19,590 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 675 transitions. [2023-12-03 03:43:19,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:43:19,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:19,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:20,193 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:43:20,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:20,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 446 states and 675 transitions. [2023-12-03 03:43:20,209 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 675 transitions. [2023-12-03 03:43:20,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 03:43:20,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:20,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:20,715 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:43:20,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:20,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 447 states and 676 transitions. [2023-12-03 03:43:20,731 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 676 transitions. [2023-12-03 03:43:20,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 03:43:20,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:20,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:21,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:21,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:21,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 456 states and 690 transitions. [2023-12-03 03:43:21,309 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 690 transitions. [2023-12-03 03:43:21,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 03:43:21,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:21,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:21,954 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:43:21,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:21,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 457 states and 691 transitions. [2023-12-03 03:43:21,966 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 691 transitions. [2023-12-03 03:43:21,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 03:43:21,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:21,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:22,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:22,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:22,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 466 states and 705 transitions. [2023-12-03 03:43:22,569 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 705 transitions. [2023-12-03 03:43:22,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 03:43:22,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:22,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:23,208 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:43:23,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:23,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 467 states and 705 transitions. [2023-12-03 03:43:23,230 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 705 transitions. [2023-12-03 03:43:23,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 03:43:23,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:23,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:24,133 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:43:24,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:24,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 471 states and 714 transitions. [2023-12-03 03:43:24,176 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 714 transitions. [2023-12-03 03:43:24,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 03:43:24,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:24,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:24,741 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:43:24,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:24,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 475 states and 722 transitions. [2023-12-03 03:43:24,780 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 722 transitions. [2023-12-03 03:43:24,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:43:24,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:24,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:25,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:25,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:25,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 484 states and 737 transitions. [2023-12-03 03:43:25,383 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 737 transitions. [2023-12-03 03:43:25,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:43:25,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:25,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:26,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:26,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:26,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 485 states and 738 transitions. [2023-12-03 03:43:26,114 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 738 transitions. [2023-12-03 03:43:26,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:43:26,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:26,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:26,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:26,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:26,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 494 states and 753 transitions. [2023-12-03 03:43:26,739 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 753 transitions. [2023-12-03 03:43:26,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:43:26,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:26,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:27,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:27,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:27,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 494 states and 750 transitions. [2023-12-03 03:43:27,459 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 750 transitions. [2023-12-03 03:43:27,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 03:43:27,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:27,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:28,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:28,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:28,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 495 states and 751 transitions. [2023-12-03 03:43:28,062 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 751 transitions. [2023-12-03 03:43:28,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:43:28,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:28,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:28,772 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:43:29,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:29,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 498 states and 756 transitions. [2023-12-03 03:43:29,169 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 756 transitions. [2023-12-03 03:43:29,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 03:43:29,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:29,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:30,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:43:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:30,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 505 states and 767 transitions. [2023-12-03 03:43:30,541 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 767 transitions. [2023-12-03 03:43:30,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 03:43:30,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:30,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:31,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:43:31,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:31,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 512 states and 779 transitions. [2023-12-03 03:43:31,666 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 779 transitions. [2023-12-03 03:43:31,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 03:43:31,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:31,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:32,255 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:43:32,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:32,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 515 states and 789 transitions. [2023-12-03 03:43:32,370 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 789 transitions. [2023-12-03 03:43:32,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 03:43:32,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:32,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:33,009 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:43:33,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:33,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 518 states and 799 transitions. [2023-12-03 03:43:33,123 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 799 transitions. [2023-12-03 03:43:33,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 03:43:33,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:33,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:33,729 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:43:33,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:33,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 520 states and 801 transitions. [2023-12-03 03:43:33,826 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 801 transitions. [2023-12-03 03:43:33,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 03:43:33,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:33,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:35,029 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:43:36,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:36,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 533 states and 828 transitions. [2023-12-03 03:43:36,192 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 828 transitions. [2023-12-03 03:43:36,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:43:36,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:36,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:36,776 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:43:36,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:36,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 535 states and 830 transitions. [2023-12-03 03:43:36,802 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 830 transitions. [2023-12-03 03:43:36,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 03:43:36,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:36,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:37,407 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:43:37,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:37,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 544 states and 847 transitions. [2023-12-03 03:43:37,458 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 847 transitions. [2023-12-03 03:43:37,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 03:43:37,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:37,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:37,999 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:43:38,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:38,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 548 states and 859 transitions. [2023-12-03 03:43:38,148 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 859 transitions. [2023-12-03 03:43:38,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 03:43:38,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:38,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:38,667 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:43:38,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:38,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 549 states and 860 transitions. [2023-12-03 03:43:38,688 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 860 transitions. [2023-12-03 03:43:38,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 03:43:38,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:38,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:39,304 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:43:39,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:39,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 550 states and 860 transitions. [2023-12-03 03:43:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 860 transitions. [2023-12-03 03:43:39,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 03:43:39,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:39,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:39,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:39,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:39,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 550 states and 859 transitions. [2023-12-03 03:43:39,919 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 859 transitions. [2023-12-03 03:43:39,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:43:39,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:39,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:40,480 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:43:40,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:40,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 550 states and 857 transitions. [2023-12-03 03:43:40,510 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 857 transitions. [2023-12-03 03:43:40,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 03:43:40,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:40,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:41,324 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:43:41,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:41,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 552 states and 860 transitions. [2023-12-03 03:43:41,350 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 860 transitions. [2023-12-03 03:43:41,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:43:41,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:41,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:42,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:42,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:42,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 554 states and 863 transitions. [2023-12-03 03:43:42,298 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 863 transitions. [2023-12-03 03:43:42,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 03:43:42,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:42,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:42,923 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:43:43,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:43,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 562 states and 881 transitions. [2023-12-03 03:43:43,641 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 881 transitions. [2023-12-03 03:43:43,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:43:43,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:43,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:44,343 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:43:44,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:44,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 564 states and 884 transitions. [2023-12-03 03:43:44,438 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 884 transitions. [2023-12-03 03:43:44,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 03:43:44,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:44,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:44,952 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:43:44,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:44,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 566 states and 887 transitions. [2023-12-03 03:43:44,973 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 887 transitions. [2023-12-03 03:43:44,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 03:43:44,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:44,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:45,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:43:46,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:46,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 566 states and 886 transitions. [2023-12-03 03:43:46,005 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 886 transitions. [2023-12-03 03:43:46,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 03:43:46,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:46,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:47,413 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:43:48,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:48,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 583 states and 918 transitions. [2023-12-03 03:43:48,855 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 918 transitions. [2023-12-03 03:43:48,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 03:43:48,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:48,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:49,408 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:43:49,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:49,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 586 states and 924 transitions. [2023-12-03 03:43:49,705 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 924 transitions. [2023-12-03 03:43:49,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 03:43:49,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:49,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:50,335 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 03:43:50,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:50,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 592 states and 941 transitions. [2023-12-03 03:43:50,889 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 941 transitions. [2023-12-03 03:43:50,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 03:43:50,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:50,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:51,453 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 03:43:51,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:51,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 597 states and 954 transitions. [2023-12-03 03:43:51,601 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 954 transitions. [2023-12-03 03:43:51,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 03:43:51,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:51,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:52,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:43:52,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:52,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 599 states and 957 transitions. [2023-12-03 03:43:52,412 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 957 transitions. [2023-12-03 03:43:52,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:43:52,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:52,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:52,932 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:43:53,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:53,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 602 states and 963 transitions. [2023-12-03 03:43:53,074 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 963 transitions. [2023-12-03 03:43:53,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:43:53,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:53,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:53,587 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:43:53,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:53,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 603 states and 964 transitions. [2023-12-03 03:43:53,604 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 964 transitions. [2023-12-03 03:43:53,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:43:53,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:53,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:54,141 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 03:43:54,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:54,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 604 states and 964 transitions. [2023-12-03 03:43:54,160 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 964 transitions. [2023-12-03 03:43:54,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:43:54,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:54,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:54,670 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 03:43:54,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:54,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 605 states and 964 transitions. [2023-12-03 03:43:54,690 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 964 transitions. [2023-12-03 03:43:54,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:43:54,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:54,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:55,216 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 03:43:55,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:55,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 606 states and 965 transitions. [2023-12-03 03:43:55,238 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 965 transitions. [2023-12-03 03:43:55,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:43:55,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:55,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:55,885 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:43:56,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:56,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 609 states and 972 transitions. [2023-12-03 03:43:56,251 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 972 transitions. [2023-12-03 03:43:56,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:43:56,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:56,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:56,770 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:43:56,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:56,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 609 states and 971 transitions. [2023-12-03 03:43:56,788 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 971 transitions. [2023-12-03 03:43:56,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 03:43:56,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:56,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:57,826 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:43:58,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:58,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 620 states and 989 transitions. [2023-12-03 03:43:58,328 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 989 transitions. [2023-12-03 03:43:58,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:43:58,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:58,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:58,834 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:43:58,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:58,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 621 states and 990 transitions. [2023-12-03 03:43:58,851 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 990 transitions. [2023-12-03 03:43:58,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 03:43:58,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:58,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:59,506 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:43:59,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:59,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 623 states and 993 transitions. [2023-12-03 03:43:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 993 transitions. [2023-12-03 03:43:59,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 03:43:59,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:59,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:00,608 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:44:00,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:00,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 625 states and 994 transitions. [2023-12-03 03:44:00,990 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 994 transitions. [2023-12-03 03:44:00,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 03:44:00,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:00,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:01,987 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:44:02,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:02,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 628 states and 997 transitions. [2023-12-03 03:44:02,023 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 997 transitions. [2023-12-03 03:44:02,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 03:44:02,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:02,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 03:44:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:02,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 632 states and 1006 transitions. [2023-12-03 03:44:02,643 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1006 transitions. [2023-12-03 03:44:02,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 03:44:02,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:02,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:03,157 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 03:44:03,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:03,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 633 states and 1007 transitions. [2023-12-03 03:44:03,174 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1007 transitions. [2023-12-03 03:44:03,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:44:03,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:03,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:03,707 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:44:03,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:03,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 634 states and 1007 transitions. [2023-12-03 03:44:03,746 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1007 transitions. [2023-12-03 03:44:03,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:44:03,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:03,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:04,251 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 03:44:04,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:04,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 638 states and 1016 transitions. [2023-12-03 03:44:04,283 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1016 transitions. [2023-12-03 03:44:04,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 03:44:04,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:04,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:04,958 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:44:05,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:05,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 640 states and 1018 transitions. [2023-12-03 03:44:05,214 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1018 transitions. [2023-12-03 03:44:05,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 03:44:05,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:05,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:05,870 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:44:06,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:06,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 643 states and 1024 transitions. [2023-12-03 03:44:06,274 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1024 transitions. [2023-12-03 03:44:06,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 03:44:06,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:06,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:07,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:07,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:07,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 645 states and 1029 transitions. [2023-12-03 03:44:07,225 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1029 transitions. [2023-12-03 03:44:07,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 03:44:07,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:07,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:08,046 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 03:44:08,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:08,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 647 states and 1030 transitions. [2023-12-03 03:44:08,378 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1030 transitions. [2023-12-03 03:44:08,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 03:44:08,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:08,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:08,903 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-03 03:44:08,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:08,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 648 states and 1031 transitions. [2023-12-03 03:44:08,924 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1031 transitions. [2023-12-03 03:44:08,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 03:44:08,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:08,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:09,444 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-03 03:44:09,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:09,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 649 states and 1032 transitions. [2023-12-03 03:44:09,465 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 1032 transitions. [2023-12-03 03:44:09,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:44:09,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:09,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:10,032 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 03:44:10,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:10,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 652 states and 1035 transitions. [2023-12-03 03:44:10,065 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 1035 transitions. [2023-12-03 03:44:10,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 03:44:10,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:10,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:10,749 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:44:11,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:11,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 654 states and 1037 transitions. [2023-12-03 03:44:11,026 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1037 transitions. [2023-12-03 03:44:11,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 03:44:11,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:11,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:11,853 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:44:12,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:12,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 654 states and 1036 transitions. [2023-12-03 03:44:12,479 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1036 transitions. [2023-12-03 03:44:12,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 03:44:12,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:12,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:13,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:14,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:14,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 666 states and 1058 transitions. [2023-12-03 03:44:14,787 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1058 transitions. [2023-12-03 03:44:14,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 03:44:14,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:14,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:15,317 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 03:44:15,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:15,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 667 states and 1058 transitions. [2023-12-03 03:44:15,494 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1058 transitions. [2023-12-03 03:44:15,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 03:44:15,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:15,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:16,251 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:44:16,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:16,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 670 states and 1064 transitions. [2023-12-03 03:44:16,720 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1064 transitions. [2023-12-03 03:44:16,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 03:44:16,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:16,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:17,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:19,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:19,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 685 states and 1093 transitions. [2023-12-03 03:44:19,144 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1093 transitions. [2023-12-03 03:44:19,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 03:44:19,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:19,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:19,803 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 03:44:19,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:19,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 686 states and 1093 transitions. [2023-12-03 03:44:19,828 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1093 transitions. [2023-12-03 03:44:19,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 03:44:19,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:19,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:20,555 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:44:20,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:20,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 688 states and 1095 transitions. [2023-12-03 03:44:20,887 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1095 transitions. [2023-12-03 03:44:20,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 03:44:20,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:20,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-12-03 03:44:22,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:22,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 690 states and 1096 transitions. [2023-12-03 03:44:22,188 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1096 transitions. [2023-12-03 03:44:22,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 03:44:22,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:22,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:23,510 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:44:27,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:27,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 700 states and 1120 transitions. [2023-12-03 03:44:27,915 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1120 transitions. [2023-12-03 03:44:27,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 03:44:27,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:27,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:29,240 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:44:31,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:31,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 705 states and 1127 transitions. [2023-12-03 03:44:31,718 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1127 transitions. [2023-12-03 03:44:31,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 03:44:31,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:31,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:32,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:33,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:33,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 708 states and 1133 transitions. [2023-12-03 03:44:33,933 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 1133 transitions. [2023-12-03 03:44:33,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:44:33,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:33,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:34,774 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:44:35,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:35,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 710 states and 1135 transitions. [2023-12-03 03:44:35,157 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1135 transitions. [2023-12-03 03:44:35,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 03:44:35,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:35,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:35,879 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:44:36,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:36,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 713 states and 1141 transitions. [2023-12-03 03:44:36,496 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1141 transitions. [2023-12-03 03:44:36,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-03 03:44:36,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:36,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:37,364 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:44:37,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:37,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 722 states and 1155 transitions. [2023-12-03 03:44:37,475 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1155 transitions. [2023-12-03 03:44:37,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 03:44:37,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:37,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:44:39,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:39,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 740 states and 1195 transitions. [2023-12-03 03:44:39,301 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1195 transitions. [2023-12-03 03:44:39,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 03:44:39,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:39,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:40,148 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-03 03:44:40,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:40,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 742 states and 1196 transitions. [2023-12-03 03:44:40,657 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1196 transitions. [2023-12-03 03:44:40,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 03:44:40,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:40,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:41,475 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:44:41,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:41,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 744 states and 1198 transitions. [2023-12-03 03:44:41,937 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1198 transitions. [2023-12-03 03:44:41,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 03:44:41,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:41,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:42,887 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:44:43,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:43,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 756 states and 1217 transitions. [2023-12-03 03:44:43,213 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1217 transitions. [2023-12-03 03:44:43,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:44:43,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:43,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:44,065 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:44:44,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:44,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 756 states and 1216 transitions. [2023-12-03 03:44:44,971 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1216 transitions. [2023-12-03 03:44:44,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 03:44:44,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:44,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:45,792 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:44:46,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:46,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 759 states and 1223 transitions. [2023-12-03 03:44:46,503 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1223 transitions. [2023-12-03 03:44:46,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-03 03:44:46,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:46,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:47,336 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:44:47,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:47,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 761 states and 1225 transitions. [2023-12-03 03:44:47,786 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1225 transitions. [2023-12-03 03:44:47,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 03:44:47,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:47,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:48,717 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:44:49,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:49,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 764 states and 1229 transitions. [2023-12-03 03:44:49,259 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1229 transitions. [2023-12-03 03:44:49,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 03:44:49,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:49,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:50,122 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-03 03:44:50,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:50,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 766 states and 1230 transitions. [2023-12-03 03:44:50,706 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1230 transitions. [2023-12-03 03:44:50,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 03:44:50,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:50,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:51,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:44:51,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:51,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 769 states and 1233 transitions. [2023-12-03 03:44:51,666 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1233 transitions. [2023-12-03 03:44:51,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 03:44:51,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:51,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:53,029 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:44:54,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:54,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 784 states and 1259 transitions. [2023-12-03 03:44:54,605 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1259 transitions. [2023-12-03 03:44:54,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 03:44:54,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:54,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:44:55,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:44:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:44:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:44:56,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:44:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:44:57,050 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 108 iterations. [2023-12-03 03:44:57,130 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret396 could not be translated [2023-12-03 03:44:57,131 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet395 [2023-12-03 03:44:57,132 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret401 could not be translated [2023-12-03 03:44:57,135 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret287 [2023-12-03 03:44:57,138 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret422 [2023-12-03 03:44:57,139 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret409 [2023-12-03 03:44:57,140 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret290 [2023-12-03 03:44:57,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem294 [2023-12-03 03:44:57,144 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret422 [2023-12-03 03:44:57,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret408 [2023-12-03 03:44:57,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem294 [2023-12-03 03:44:57,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret295 [2023-12-03 03:44:57,148 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet302 could not be translated [2023-12-03 03:44:57,148 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem301 could not be translated [2023-12-03 03:44:57,151 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem309 could not be translated [2023-12-03 03:44:57,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem311 could not be translated [2023-12-03 03:44:57,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-12-03 03:44:57,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem311 could not be translated [2023-12-03 03:44:57,156 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-12-03 03:44:57,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret314 could not be translated [2023-12-03 03:44:57,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem312 [2023-12-03 03:44:57,157 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet313 [2023-12-03 03:44:57,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:44:57 ImpRootNode [2023-12-03 03:44:57,174 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:44:57,175 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:44:57,175 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:44:57,175 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:44:57,175 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:43:04" (3/4) ... [2023-12-03 03:44:57,177 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:44:57,178 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:44:57,179 INFO L158 Benchmark]: Toolchain (without parser) took 118269.79ms. Allocated memory was 218.1MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 165.6MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 417.1MB. Max. memory is 16.1GB. [2023-12-03 03:44:57,180 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:44:57,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1628.32ms. Allocated memory is still 218.1MB. Free memory was 165.6MB in the beginning and 103.9MB in the end (delta: 61.6MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. [2023-12-03 03:44:57,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.59ms. Allocated memory is still 218.1MB. Free memory was 103.9MB in the beginning and 93.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:44:57,181 INFO L158 Benchmark]: Boogie Preprocessor took 109.20ms. Allocated memory is still 218.1MB. Free memory was 93.5MB in the beginning and 81.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:44:57,181 INFO L158 Benchmark]: RCFGBuilder took 3738.87ms. Allocated memory was 218.1MB in the beginning and 278.9MB in the end (delta: 60.8MB). Free memory was 81.9MB in the beginning and 172.6MB in the end (delta: -90.7MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2023-12-03 03:44:57,182 INFO L158 Benchmark]: CodeCheck took 112675.00ms. Allocated memory was 278.9MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 172.6MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 361.2MB. Max. memory is 16.1GB. [2023-12-03 03:44:57,182 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 1.8GB. Free memory is still 1.4GB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:44:57,184 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 39 procedures, 383 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 112.5s, OverallIterations: 108, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90960 SdHoareTripleChecker+Valid, 140.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48155 mSDsluCounter, 109691 SdHoareTripleChecker+Invalid, 126.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 67292 mSDsCounter, 17122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67303 IncrementalHoareTripleChecker+Invalid, 84425 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17122 mSolverCounterUnsat, 42399 mSDtfsCounter, 67303 mSolverCounterSat, 2.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65000 GetRequests, 64254 SyntacticMatches, 316 SemanticMatches, 430 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75952 ImplicationChecksByTransitivity, 35.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.6s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 18.3s InterpolantComputationTime, 6630 NumberOfCodeBlocks, 6630 NumberOfCodeBlocksAsserted, 108 NumberOfCheckSat, 6436 ConstructedInterpolants, 0 QuantifiedInterpolants, 11726 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 107 InterpolantComputations, 95 PerfectInterpolantSequences, 885/1143 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 6754]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 6155, overapproximation of bitwiseAnd at line 6103. Possible FailurePath: [L5149] static struct lock_class_key __key___7 ; [L5150] static struct lock_class_key __key___8 ; [L5290-L5303] static char const __mod_author31[46] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'a', (char const )'u', (char const )'t', (char const )'h', (char const )'o', (char const )'r', (char const )'=', (char const )'S', (char const )'e', (char const )'b', (char const )'a', (char const )'s', (char const )'t', (char const )'i', (char const )'a', (char const )'n', (char const )' ', (char const )'H', (char const )'a', (char const )'a', (char const )'s', (char const )' ', (char const )'<', (char const )'h', (char const )'a', (char const )'a', (char const )'s', (char const )'@', (char const )'e', (char const )'m', (char const )'s', (char const )'-', (char const )'w', (char const )'u', (char const )'e', (char const )'n', (char const )'s', (char const )'c', (char const )'h', (char const )'e', (char const )'.', (char const )'c', (char const )'o', (char const )'m', (char const )'>', (char const )'\000'}; [L5304-L5323] static char const __mod_description32[70] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'d', (char const )'e', (char const )'s', (char const )'c', (char const )'r', (char const )'i', (char const )'p', (char const )'t', (char const )'i', (char const )'o', (char const )'n', (char const )'=', (char const )'C', (char const )'A', (char const )'N', (char const )' ', (char const )'d', (char const )'r', (char const )'i', (char const )'v', (char const )'e', (char const )'r', (char const )' ', (char const )'f', (char const )'o', (char const )'r', (char const )' ', (char const )'E', (char const )'M', (char const )'S', (char const )' ', (char const )'D', (char const )'r', (char const )'.', (char const )' ', (char const )'T', (char const )'h', (char const )'o', (char const )'m', (char const )'a', (char const )'s', (char const )' ', (char const )'W', (char const )'u', (char const )'e', (char const )'n', (char const )'s', (char const )'c', (char const )'h', (char const )'e', (char const )' ', (char const )'C', (char const )'A', (char const )'N', (char const )'/', (char const )'U', (char const )'S', (char const )'B', (char const )' ', (char const )'i', (char const )'n', (char const )'t', (char const )'e', (char const )'r', (char const )'f', (char const )'a', (char const )'c', (char const )'e', (char const )'s', (char const )'\000'}; [L5324-L5329] static char const __mod_license33[15] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'l', (char const )'i', (char const )'c', (char const )'e', (char const )'n', (char const )'s', (char const )'e', (char const )'=', (char const )'G', (char const )'P', (char const )'L', (char const )' ', (char const )'v', (char const )'2', (char const )'\000'}; [L5330-L5332] static struct usb_device_id ems_usb_table[1] = { {(__u16 )3, (__u16 )4822, (__u16 )1092, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L6247-L6287] static struct net_device_ops const ems_usb_netdev_ops = {(int (*)(struct net_device *dev ))0, (void (*)(struct net_device *dev ))0, & ems_usb_open, & ems_usb_close, & ems_usb_start_xmit, (u16 (*)(struct net_device *dev , struct sk_buff *skb ))0, (void (*)(struct net_device *dev , int flags ))0, (void (*)(struct net_device *dev ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , void *addr ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , struct ifreq *ifr , int cmd ))0, (int (*)(struct net_device *dev , struct ifmap *map ))0, (int (*)(struct net_device *dev , int new_mtu ))0, (int (*)(struct net_device *dev , struct neigh_parms * ))0, (void (*)(struct net_device *dev ))0, (struct rtnl_link_stats64 *(*)(struct net_device *dev , struct rtnl_link_stats64 *storage ))0, (struct net_device_stats *(*)(struct net_device *dev ))0, (void (*)(struct net_device *dev , struct vlan_group *grp ))0, (void (*)(struct net_device *dev , unsigned short vid ))0, (void (*)(struct net_device *dev , unsigned short vid ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , struct netpoll_info *info ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , int queue , u8 *mac ))0, (int (*)(struct net_device *dev , int queue , u16 vlan , u8 qos ))0, (int (*)(struct net_device *dev , int vf , int rate ))0, (int (*)(struct net_device *dev , int vf , struct ifla_vf_info *ivf ))0, (int (*)(struct net_device *dev , int vf , struct nlattr **port ))0, (int (*)(struct net_device *dev , int vf , struct sk_buff *skb ))0, (int (*)(struct net_device *dev , u8 tc ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , u16 xid , struct scatterlist *sgl , unsigned int sgc ))0, (int (*)(struct net_device *dev , u16 xid ))0, (int (*)(struct net_device *dev , u16 xid , struct scatterlist *sgl , unsigned int sgc ))0, (int (*)(struct net_device *dev , u64 *wwn , int type ))0, (int (*)(struct net_device *dev , struct sk_buff const *skb , u16 rxq_index , u32 flow_id ))0, (int (*)(struct net_device *dev , struct net_device *slave_dev ))0, (int (*)(struct net_device *dev , struct net_device *slave_dev ))0, (u32 (*)(struct net_device *dev , u32 features ))0, (int (*)(struct net_device *dev , u32 features ))0}; [L6288-L6292] static struct can_bittiming_const ems_usb_bittiming_const = {{(char )'e', (char )'m', (char )'s', (char )'_', (char )'u', (char )'s', (char )'b', (char )'\000', (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, (__u32 )1, (__u32 )16, (__u32 )1, (__u32 )8, (__u32 )4, (__u32 )1, (__u32 )64, (__u32 )1}; [L6543-L6561] static struct usb_driver ems_usb_driver = {"ems_usb", & ems_usb_probe, & ems_usb_disconnect, (int (*)(struct usb_interface *intf , unsigned int code , void *buf ))0, (int (*)(struct usb_interface *intf , pm_message_t message ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (struct usb_device_id const *)(ems_usb_table), {{{{{0U}, 0U, 0U, (void *)0, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, (char const *)0, 0, 0UL}}}}, {(struct list_head *)0, (struct list_head *)0}}, {{(char const *)0, (struct bus_type *)0, (struct module *)0, (char const *)0, (_Bool)0, (struct of_device_id const *)0, (int (*)(struct device *dev ))0, (int (*)(struct device *dev ))0, (void (*)(struct device *dev ))0, (int (*)(struct device *dev , pm_message_t state ))0, (int (*)(struct device *dev ))0, (struct attribute_group const **)0, (struct dev_pm_ops const *)0, (struct driver_private *)0}, 0}, 0U, 0U, 0U}; [L6614] int LDV_IN_INTERRUPT ; [L6615] static int res_ems_usb_open_10 ; [L6616] static int res_ems_usb_close_12 ; [L6617] static int res_ems_usb_probe_16 ; [L6767] int ldv_urb_state = 0; [L6768] int ldv_coherent_state = 0; [L6619] struct net_device *var_group1 ; [L6620] struct sk_buff *var_group2 ; [L6621] struct usb_interface *var_group3 ; [L6622] struct usb_device_id const *var_ems_usb_probe_16_p1 ; [L6623] int tmp___7 ; [L6624] int ldv_s_ems_usb_netdev_ops_net_device_ops ; [L6625] int ldv_s_ems_usb_driver_usb_driver ; [L6626] int tmp___8 ; [L6627] int tmp___9 ; [L6630] LDV_IN_INTERRUPT = 1 [L6631] FCALL ldv_initialize() [L6632] CALL, EXPR ems_usb_init() VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6565] int err ; [L6568] CALL printk("<6>CPC-USB kernel driver loaded\n") VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, arg0={34:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L7001] return __VERIFIER_nondet_int(); [L6568] RET printk("<6>CPC-USB kernel driver loaded\n") VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6569] CALL, EXPR usb_register(& ems_usb_driver) [L5140] int tmp___7 ; [L5143] CALL, EXPR usb_register_driver(driver, & __this_module, "ems_usb") [L7025] return __VERIFIER_nondet_int(); [L5143] RET, EXPR usb_register_driver(driver, & __this_module, "ems_usb") [L5143] tmp___7 = usb_register_driver(driver, & __this_module, "ems_usb") [L5145] return (tmp___7); [L6569] RET, EXPR usb_register(& ems_usb_driver) [L6569] err = usb_register(& ems_usb_driver) [L6571] COND FALSE !(\read(err)) [L6578] return (0); VAL [LDV_IN_INTERRUPT=1, \result=0, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, err=0, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6632] RET, EXPR ems_usb_init() VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6632] tmp___7 = ems_usb_init() [L6634] COND FALSE !(\read(tmp___7)) [L6638] ldv_s_ems_usb_netdev_ops_net_device_ops = 0 [L6639] ldv_s_ems_usb_driver_usb_driver = 0 VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0] [L6641] COND TRUE 1 [L6644] tmp___9 = __VERIFIER_nondet_int() [L6646] COND TRUE \read(tmp___9) VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___9=2147483647] [L6655] tmp___8 = __VERIFIER_nondet_int() [L6657] COND FALSE !(tmp___8 == 0) VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=2147483647] [L6660] COND FALSE !(tmp___8 == 1) VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=2147483647] [L6663] COND TRUE tmp___8 == 2 [L6704] CALL ems_usb_start_xmit(var_group2, var_group1) [L6048] struct ems_usb *dev ; [L6049] void *tmp___7 ; [L6050] struct ems_tx_urb_context *context ; [L6051] struct net_device_stats *stats ; [L6052] struct can_frame *cf ; [L6053] struct ems_cpc_msg *msg ; [L6054] struct urb *urb ; [L6055] u8 *buf ; [L6056] int i ; [L6057] int err ; [L6058] size_t size ; [L6059] int tmp___8 ; [L6060] void *tmp___9 ; [L6061] unsigned int tmp___10 ; [L6062] int tmp___11 ; [L6063] long tmp___12 ; VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={-18446744073709521561:-87}, skb={-18446744073709521561:-87}] [L6066] CALL, EXPR netdev_priv((struct net_device const *)netdev) VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, dev={0:-2952}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L4976] return ((void *)((char *)dev + ((sizeof(struct net_device ) + 31UL) & 0x0fffffffffffffe0UL))); [L6066] RET, EXPR netdev_priv((struct net_device const *)netdev) VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, skb={-18446744073709521561:-87}, skb={-18446744073709521561:-87}] [L6066] tmp___7 = netdev_priv((struct net_device const *)netdev) [L6067] dev = (struct ems_usb *)tmp___7 [L6068] context = (struct ems_tx_urb_context *)((void *)0) [L6069] stats = & netdev->stats [L6070] EXPR skb->data [L6070] cf = (struct can_frame *)skb->data [L6071] size = 15UL + sizeof(struct cpc_can_msg ) [L6072] CALL, EXPR can_dropped_invalid_skb(netdev, skb) [L5252] struct can_frame const *cf ; [L5253] int tmp___7 ; [L5254] long tmp___8 ; [L5256] EXPR skb->data [L5256] cf = (struct can_frame const *)((struct can_frame *)skb->data) [L5257] EXPR skb->len [L5257] COND FALSE !((unsigned long )skb->len != sizeof(*cf)) [L5260] EXPR cf->can_dlc [L5260] COND FALSE !((int const )cf->can_dlc > 8) [L5263] tmp___7 = 0 [L5266] tmp___8 = __builtin_expect((long )tmp___7, 0L) [L5268] COND FALSE !(\read(tmp___8)) [L5276] return (0); [L6072] RET, EXPR can_dropped_invalid_skb(netdev, skb) [L6072] tmp___8 = can_dropped_invalid_skb(netdev, skb) [L6074] COND FALSE !(\read(tmp___8)) VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, cf={0:24656}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={-18446744073709521561:-87}, skb={-18446744073709521561:-87}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0] [L6079] CALL, EXPR usb_alloc_urb(0, 32U) VAL [LDV_IN_INTERRUPT=1, \old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6830] void *arbitrary_memory ; [L6831] void *tmp___7 ; VAL [LDV_IN_INTERRUPT=1, \old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, iso_packets=0, ldv_coherent_state=0, ldv_urb_state=0, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6834] COND TRUE 1 VAL [LDV_IN_INTERRUPT=1, \old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, iso_packets=0, ldv_coherent_state=0, ldv_urb_state=0, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6837] CALL, EXPR ldv_undefined_pointer() VAL [LDV_IN_INTERRUPT=1, \old(ldv_urb_state)=0, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6982] CALL, EXPR ldv_malloc(0UL) VAL [LDV_IN_INTERRUPT=1, \old(ldv_urb_state)=0, \old(size)=0, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6911] COND FALSE !(__VERIFIER_nondet_bool()) [L6912] return malloc(size); [L6982] RET, EXPR ldv_malloc(0UL) VAL [LDV_IN_INTERRUPT=1, \old(ldv_urb_state)=0, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=0, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6982] return ldv_malloc(0UL); [L6837] RET, EXPR ldv_undefined_pointer() VAL [LDV_IN_INTERRUPT=1, \old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, iso_packets=0, ldv_coherent_state=0, ldv_urb_state=0, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6837] tmp___7 = ldv_undefined_pointer() [L6838] arbitrary_memory = tmp___7 [L6840] COND FALSE !(! arbitrary_memory) [L6844] ldv_urb_state = ldv_urb_state + 1 [L6845] return ((struct urb *)arbitrary_memory); VAL [LDV_IN_INTERRUPT=1, \old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=32, \result={26256:0}, __key___7={36:0}, __key___8={37:0}, arbitrary_memory={26256:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, iso_packets=0, ldv_coherent_state=0, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7={26256:0}] [L6079] RET, EXPR usb_alloc_urb(0, 32U) VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, cf={0:24656}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={-18446744073709521561:-87}, skb={-18446744073709521561:-87}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0] [L6079] urb = usb_alloc_urb(0, 32U) [L6081] COND FALSE !(! urb) [L6089] EXPR dev->udev VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, cf={0:24656}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={-18446744073709521561:-87}, skb={-18446744073709521561:-87}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, urb={26256:0}] [L6089] CALL, EXPR usb_alloc_coherent(dev->udev, size, 32U, & urb->transfer_dma) VAL [LDV_IN_INTERRUPT=1, \old(ldv_coherent_state)=0, \old(mem_flags)=32, \old(size)=28, __key___7={36:0}, __key___8={37:0}, dev={188:191}, dma={26256:104}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6773] void *arbitrary_memory ; [L6774] void *tmp___7 ; VAL [LDV_IN_INTERRUPT=1, \old(ldv_coherent_state)=0, \old(mem_flags)=32, \old(size)=28, __key___7={36:0}, __key___8={37:0}, dev={188:191}, dev={188:191}, dma={26256:104}, dma={26256:104}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6777] COND TRUE 1 VAL [LDV_IN_INTERRUPT=1, \old(ldv_coherent_state)=0, \old(mem_flags)=32, \old(size)=28, __key___7={36:0}, __key___8={37:0}, dev={188:191}, dev={188:191}, dma={26256:104}, dma={26256:104}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6780] CALL, EXPR ldv_undefined_pointer() VAL [LDV_IN_INTERRUPT=1, \old(ldv_coherent_state)=0, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6982] CALL, EXPR ldv_malloc(0UL) VAL [LDV_IN_INTERRUPT=1, \old(ldv_coherent_state)=0, \old(size)=0, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6911] COND FALSE !(__VERIFIER_nondet_bool()) [L6912] return malloc(size); [L6982] RET, EXPR ldv_malloc(0UL) VAL [LDV_IN_INTERRUPT=1, \old(ldv_coherent_state)=0, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6982] return ldv_malloc(0UL); [L6780] RET, EXPR ldv_undefined_pointer() VAL [LDV_IN_INTERRUPT=1, \old(ldv_coherent_state)=0, \old(mem_flags)=32, \old(size)=28, __key___7={36:0}, __key___8={37:0}, dev={188:191}, dev={188:191}, dma={26256:104}, dma={26256:104}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6780] tmp___7 = ldv_undefined_pointer() [L6781] arbitrary_memory = tmp___7 [L6783] COND FALSE !(! arbitrary_memory) [L6787] ldv_coherent_state = ldv_coherent_state + 1 [L6788] return (arbitrary_memory); VAL [LDV_IN_INTERRUPT=1, \old(ldv_coherent_state)=0, \old(mem_flags)=32, \old(size)=28, \result={-18446744073709521561:0}, __key___7={36:0}, __key___8={37:0}, arbitrary_memory={-18446744073709521561:0}, dev={188:191}, dev={188:191}, dma={26256:104}, dma={26256:104}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, mem_flags=32, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, tmp___7={-18446744073709521561:0}] [L6089] RET, EXPR usb_alloc_coherent(dev->udev, size, 32U, & urb->transfer_dma) VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, cf={0:24656}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={-18446744073709521561:-87}, skb={-18446744073709521561:-87}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, urb={26256:0}] [L6089] tmp___9 = usb_alloc_coherent(dev->udev, size, 32U, & urb->transfer_dma) [L6090] buf = (u8 *)tmp___9 VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, buf={-18446744073709521561:0}, cf={0:24656}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={-18446744073709521561:-87}, skb={-18446744073709521561:-87}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={-18446744073709521561:0}, urb={26256:0}] [L6092] COND FALSE !(! buf) [L6100] msg = (struct ems_cpc_msg *)(buf + 4) [L6101] EXPR cf->can_id [L6101] msg->msg.can_msg.id = cf->can_id & 536870911U [L6102] EXPR cf->can_dlc [L6102] msg->msg.can_msg.length = cf->can_dlc [L6103] EXPR cf->can_id [L6103] cf->can_id & 1073741824U VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, buf={-18446744073709521561:0}, cf={0:24656}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, msg={-18446744073709521561:4}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={-18446744073709521561:-87}, skb={-18446744073709521561:-87}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={-18446744073709521561:0}, urb={26256:0}] [L6103] COND TRUE cf->can_id & 1073741824U [L6104] EXPR cf->can_id [L6104] COND FALSE !(cf->can_id & 2147483648U) [L6107] msg->type = (u8 )13 [L6109] msg->length = (u8 )5 VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, buf={-18446744073709521561:0}, cf={0:24656}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, msg={-18446744073709521561:4}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={-18446744073709521561:-87}, skb={-18446744073709521561:-87}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={-18446744073709521561:0}, urb={26256:0}] [L6132] EXPR msg->msg.can_msg.id [L6132] msg->msg.can_msg.id = msg->msg.can_msg.id [L6133] i = 0 VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, buf={-18446744073709521561:0}, cf={0:24656}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=1, ldv_urb_state=1, msg={-18446744073709521561:4}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={-18446744073709521561:-87}, skb={-18446744073709521561:-87}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={-18446744073709521561:0}, urb={26256:0}] [L6135] COND TRUE 1 VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, buf={-18446744073709521561:0}, cf={0:24656}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=1, ldv_urb_state=1, msg={-18446744073709521561:4}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={-18446744073709521561:-87}, skb={-18446744073709521561:-87}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={-18446744073709521561:0}, urb={26256:0}] [L6137] COND TRUE i < 10 [L6141] EXPR dev->tx_contexts[i].echo_index VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, buf={-18446744073709521561:0}, cf={0:24656}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=1, ldv_urb_state=1, msg={-18446744073709521561:4}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={-18446744073709521561:-87}, skb={-18446744073709521561:-87}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={-18446744073709521561:0}, urb={26256:0}] [L6141] COND TRUE dev->tx_contexts[i].echo_index == 10U [L6142] context = & dev->tx_contexts[i] VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, buf={-18446744073709521561:0}, cf={0:24656}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=1, ldv_urb_state=1, msg={-18446744073709521561:4}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={-18446744073709521561:-87}, skb={-18446744073709521561:-87}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={-18446744073709521561:0}, urb={26256:0}] [L6151] COND TRUE ! context VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, buf={-18446744073709521561:0}, cf={0:24656}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=1, ldv_urb_state=1, msg={-18446744073709521561:4}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={-18446744073709521561:-87}, skb={-18446744073709521561:-87}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={-18446744073709521561:0}, urb={26256:0}] [L6153] FCALL usb_unanchor_urb(urb) VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, buf={-18446744073709521561:0}, cf={0:24656}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=1, ldv_urb_state=1, msg={-18446744073709521561:4}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={-18446744073709521561:-87}, skb={-18446744073709521561:-87}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={-18446744073709521561:0}, urb={26256:0}] [L6154] EXPR dev->udev [L6154] EXPR urb->transfer_dma VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, buf={-18446744073709521561:0}, cf={0:24656}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=1, ldv_urb_state=1, msg={-18446744073709521561:4}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={-18446744073709521561:-87}, skb={-18446744073709521561:-87}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={-18446744073709521561:0}, urb={26256:0}] [L6154] CALL usb_free_coherent(dev->udev, size, (void *)buf, urb->transfer_dma) VAL [LDV_IN_INTERRUPT=1, \old(dma)=190, \old(ldv_coherent_state)=1, \old(size)=28, __key___7={36:0}, __key___8={37:0}, addr={-18446744073709521561:0}, dev={188:191}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6802] COND TRUE 1 VAL [LDV_IN_INTERRUPT=1, \old(dma)=190, \old(ldv_coherent_state)=1, \old(size)=28, __key___7={36:0}, __key___8={37:0}, addr={-18446744073709521561:0}, addr={-18446744073709521561:0}, dev={188:191}, dev={188:191}, dma=190, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6804] COND FALSE !(! ((unsigned long )addr != (unsigned long )((void *)0))) VAL [LDV_IN_INTERRUPT=1, \old(dma)=190, \old(ldv_coherent_state)=1, \old(size)=28, __key___7={36:0}, __key___8={37:0}, addr={-18446744073709521561:0}, addr={-18446744073709521561:0}, dev={188:191}, dev={188:191}, dma=190, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6810] COND TRUE \read(*addr) VAL [LDV_IN_INTERRUPT=1, \old(dma)=190, \old(ldv_coherent_state)=1, \old(size)=28, __key___7={36:0}, __key___8={37:0}, addr={-18446744073709521561:0}, addr={-18446744073709521561:0}, dev={188:191}, dev={188:191}, dma=190, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6811] COND TRUE ldv_coherent_state >= 1 VAL [LDV_IN_INTERRUPT=1, \old(dma)=190, \old(ldv_coherent_state)=1, \old(size)=28, __key___7={36:0}, __key___8={37:0}, addr={-18446744073709521561:0}, addr={-18446744073709521561:0}, dev={188:191}, dev={188:191}, dma=190, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=1, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6817] ldv_coherent_state = ldv_coherent_state - 1 VAL [LDV_IN_INTERRUPT=1, \old(dma)=190, \old(ldv_coherent_state)=1, \old(size)=28, __key___7={36:0}, __key___8={37:0}, addr={-18446744073709521561:0}, addr={-18446744073709521561:0}, dev={188:191}, dev={188:191}, dma=190, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28] [L6154] RET usb_free_coherent(dev->udev, size, (void *)buf, urb->transfer_dma) VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, buf={-18446744073709521561:0}, cf={0:24656}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=0, ldv_urb_state=1, msg={-18446744073709521561:4}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={-18446744073709521561:-87}, skb={-18446744073709521561:-87}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={-18446744073709521561:0}, urb={26256:0}] [L6155] EXPR netdev->dev.parent [L6155] CALL dev_warn((struct device const *)netdev->dev.parent, "couldn\'t find free context\n") VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, arg0={197:196}, arg1={22:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6967] return __VERIFIER_nondet_int(); [L6155] RET dev_warn((struct device const *)netdev->dev.parent, "couldn\'t find free context\n") VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, buf={-18446744073709521561:0}, cf={0:24656}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=0, ldv_urb_state=1, msg={-18446744073709521561:4}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={-18446744073709521561:-87}, skb={-18446744073709521561:-87}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={-18446744073709521561:0}, urb={26256:0}] [L6157] return ((netdev_tx_t )16); VAL [LDV_IN_INTERRUPT=1, \result=16, __key___7={36:0}, __key___8={37:0}, buf={-18446744073709521561:0}, cf={0:24656}, context={0:0}, dev={0:-520}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, i=0, ldv_coherent_state=0, ldv_urb_state=1, msg={-18446744073709521561:4}, netdev={0:-2952}, netdev={0:-2952}, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, size=28, skb={-18446744073709521561:-87}, skb={-18446744073709521561:-87}, stats={0:-2764}, tmp___7={0:-520}, tmp___8=0, tmp___9={-18446744073709521561:0}, urb={26256:0}] [L6704] RET ems_usb_start_xmit(var_group2, var_group1) [L6641] COND TRUE 1 [L6644] tmp___9 = __VERIFIER_nondet_int() [L6646] COND FALSE !(\read(tmp___9)) VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=0, var_group1={0:-2952}, var_group2={-18446744073709521561:-87}] [L6648] COND FALSE !(! (ldv_s_ems_usb_netdev_ops_net_device_ops == 0)) VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=0, var_group1={0:-2952}, var_group2={-18446744073709521561:-87}] [L6650] COND FALSE !(! (ldv_s_ems_usb_driver_usb_driver == 0)) VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=0, var_group1={0:-2952}, var_group2={-18446744073709521561:-87}] [L6742] CALL ems_usb_exit() VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6587] FCALL usb_deregister(& ems_usb_driver) [L6742] RET ems_usb_exit() VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_s_ems_usb_driver_usb_driver=0, ldv_s_ems_usb_netdev_ops_net_device_ops=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0, tmp___7=0, tmp___8=2, tmp___9=0, var_group1={0:-2952}, var_group2={-18446744073709521561:-87}] [L6746] CALL ldv_check_final_state() [L6889] COND FALSE !(ldv_urb_state == 0) VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6892] CALL ldv_blast_assert() VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] [L6754] reach_error() VAL [LDV_IN_INTERRUPT=1, __key___7={36:0}, __key___8={37:0}, ems_usb_bittiming_const={40:0}, ems_usb_driver={41:0}, ems_usb_netdev_ops={39:0}, ems_usb_table={38:0}, ldv_coherent_state=0, ldv_urb_state=1, res_ems_usb_close_12=0, res_ems_usb_open_10=0, res_ems_usb_probe_16=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1628.32ms. Allocated memory is still 218.1MB. Free memory was 165.6MB in the beginning and 103.9MB in the end (delta: 61.6MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.59ms. Allocated memory is still 218.1MB. Free memory was 103.9MB in the beginning and 93.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.20ms. Allocated memory is still 218.1MB. Free memory was 93.5MB in the beginning and 81.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3738.87ms. Allocated memory was 218.1MB in the beginning and 278.9MB in the end (delta: 60.8MB). Free memory was 81.9MB in the beginning and 172.6MB in the end (delta: -90.7MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. * CodeCheck took 112675.00ms. Allocated memory was 278.9MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 172.6MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 361.2MB. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 1.8GB. Free memory is still 1.4GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 4831]: 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] - GenericResultAtLocation [Line: 4844]: 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] - GenericResultAtLocation [Line: 4857]: 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] - GenericResultAtLocation [Line: 4894]: 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] - GenericResultAtLocation [Line: 4907]: 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] - GenericResultAtLocation [Line: 5717]: 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] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret396 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet395 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret401 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret287 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret422 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret409 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret290 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem294 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret422 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret408 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem294 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret295 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet302 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem301 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem309 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem311 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem310 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem311 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem310 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret314 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem312 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet313 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:44:57,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/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_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 03:44:59,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:44:59,188 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 03:44:59,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:44:59,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:44:59,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:44:59,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:44:59,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:44:59,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:44:59,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:44:59,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:44:59,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:44:59,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:44:59,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:44:59,225 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:44:59,226 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:44:59,226 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:44:59,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:44:59,227 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:44:59,228 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:44:59,228 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:44:59,229 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:44:59,229 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:59,230 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:44:59,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:44:59,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:44:59,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:44:59,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:44:59,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:44:59,232 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:44:59,233 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:59,233 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:44:59,233 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:44:59,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:44:59,234 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01d4ebb86f2bde0df0d47bbd5d9b632b620f2501e68770553e85fb2bb5a7d15a [2023-12-03 03:44:59,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:44:59,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:44:59,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:44:59,539 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:44:59,540 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:44:59,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2023-12-03 03:45:02,288 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:45:02,690 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:45:02,690 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2023-12-03 03:45:02,716 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/data/ef1213239/81f6045db60b44ac83ad5b557f4a8e53/FLAGfb400a967 [2023-12-03 03:45:02,729 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/data/ef1213239/81f6045db60b44ac83ad5b557f4a8e53 [2023-12-03 03:45:02,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:45:02,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:45:02,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:45:02,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:45:02,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:45:02,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:45:02" (1/1) ... [2023-12-03 03:45:02,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39934b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:02, skipping insertion in model container [2023-12-03 03:45:02,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:45:02" (1/1) ... [2023-12-03 03:45:02,823 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:45:03,651 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_44b7838e-3db5-4b72-9c38-4e17f7d84171/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2023-12-03 03:45:03,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:45:03,712 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 03:45:03,768 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:45:03,951 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_44b7838e-3db5-4b72-9c38-4e17f7d84171/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2023-12-03 03:45:03,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:45:03,974 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:45:04,063 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] [2023-12-03 03:45:04,065 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] [2023-12-03 03:45:04,066 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] [2023-12-03 03:45:04,067 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; " "incl %0": "+m" (v->counter)); [4894-4900] [2023-12-03 03:45:04,067 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; " "decl %0": "+m" (v->counter)); [4907-4913] [2023-12-03 03:45:04,145 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] [2023-12-03 03:45:04,236 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_44b7838e-3db5-4b72-9c38-4e17f7d84171/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2023-12-03 03:45:04,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:45:04,417 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:45:04,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:04 WrapperNode [2023-12-03 03:45:04,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:45:04,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:45:04,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:45:04,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:45:04,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:04" (1/1) ... [2023-12-03 03:45:04,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:04" (1/1) ... [2023-12-03 03:45:04,531 INFO L138 Inliner]: procedures = 148, calls = 778, calls flagged for inlining = 54, calls inlined = 44, statements flattened = 1432 [2023-12-03 03:45:04,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:45:04,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:45:04,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:45:04,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:45:04,542 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:04" (1/1) ... [2023-12-03 03:45:04,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:04" (1/1) ... [2023-12-03 03:45:04,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:04" (1/1) ... [2023-12-03 03:45:04,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:04" (1/1) ... [2023-12-03 03:45:04,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:04" (1/1) ... [2023-12-03 03:45:04,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:04" (1/1) ... [2023-12-03 03:45:04,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:04" (1/1) ... [2023-12-03 03:45:04,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:04" (1/1) ... [2023-12-03 03:45:04,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:45:04,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:45:04,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:45:04,644 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:45:04,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:04" (1/1) ... [2023-12-03 03:45:04,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:45:04,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:45:04,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:45:04,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:45:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-12-03 03:45:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-12-03 03:45:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 03:45:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_init [2023-12-03 03:45:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_init [2023-12-03 03:45:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-12-03 03:45:04,728 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-12-03 03:45:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-12-03 03:45:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:45:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-03 03:45:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-03 03:45:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-12-03 03:45:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-12-03 03:45:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2023-12-03 03:45:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2023-12-03 03:45:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-12-03 03:45:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-12-03 03:45:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-03 03:45:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-03 03:45:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_exit [2023-12-03 03:45:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_exit [2023-12-03 03:45:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2023-12-03 03:45:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2023-12-03 03:45:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-03 03:45:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-03 03:45:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2023-12-03 03:45:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2023-12-03 03:45:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-12-03 03:45:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-12-03 03:45:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2023-12-03 03:45:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2023-12-03 03:45:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-12-03 03:45:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-12-03 03:45:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-03 03:45:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-12-03 03:45:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-12-03 03:45:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-12-03 03:45:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-12-03 03:45:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-12-03 03:45:04,732 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2023-12-03 03:45:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2023-12-03 03:45:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:45:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2023-12-03 03:45:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2023-12-03 03:45:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:45:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-12-03 03:45:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-12-03 03:45:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:45:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:45:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-12-03 03:45:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2023-12-03 03:45:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2023-12-03 03:45:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-12-03 03:45:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-12-03 03:45:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-12-03 03:45:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-12-03 03:45:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-12-03 03:45:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-12-03 03:45:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:45:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-12-03 03:45:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-12-03 03:45:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-12-03 03:45:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-12-03 03:45:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2023-12-03 03:45:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2023-12-03 03:45:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-12-03 03:45:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-03 03:45:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-12-03 03:45:04,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-12-03 03:45:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:45:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:45:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 03:45:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-03 03:45:04,737 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-03 03:45:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-12-03 03:45:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:45:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 03:45:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2023-12-03 03:45:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-12-03 03:45:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-12-03 03:45:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-12-03 03:45:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-12-03 03:45:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-12-03 03:45:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-12-03 03:45:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-12-03 03:45:04,738 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-12-03 03:45:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2023-12-03 03:45:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2023-12-03 03:45:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-12-03 03:45:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-12-03 03:45:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-12-03 03:45:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-12-03 03:45:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2023-12-03 03:45:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2023-12-03 03:45:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2023-12-03 03:45:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2023-12-03 03:45:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-12-03 03:45:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-12-03 03:45:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-12-03 03:45:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2023-12-03 03:45:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2023-12-03 03:45:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-12-03 03:45:04,740 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-12-03 03:45:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:45:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:45:05,086 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:45:05,089 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:45:08,463 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2023-12-03 03:45:18,745 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-03 03:45:43,891 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2023-12-03 03:45:43,891 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2023-12-03 03:45:43,983 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:45:44,313 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:45:44,313 INFO L309 CfgBuilder]: Removed 13 assume(true) statements. [2023-12-03 03:45:44,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:45:44 BoogieIcfgContainer [2023-12-03 03:45:44,315 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:45:44,316 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:45:44,316 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:45:44,326 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:45:44,326 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:45:44" (1/1) ... [2023-12-03 03:45:44,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:45:44,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:44,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 382 states and 533 transitions. [2023-12-03 03:45:44,403 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 533 transitions. [2023-12-03 03:45:44,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:45:44,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:44,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:44,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:44,410 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:44,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:45:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:45,626 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:46,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:45:46,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:46,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:46,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:45:47,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:47,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 387 states and 537 transitions. [2023-12-03 03:45:47,135 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 537 transitions. [2023-12-03 03:45:47,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:45:47,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:47,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:47,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:47,138 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:47,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:45:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:48,258 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:49,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:45:49,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:49,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:49,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:45:50,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:50,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 394 states and 547 transitions. [2023-12-03 03:45:50,009 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 547 transitions. [2023-12-03 03:45:50,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 03:45:50,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:50,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:50,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:50,011 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:50,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:45:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:51,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:51,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:45:51,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:51,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:51,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 03:45:51,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:51,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 394 states and 546 transitions. [2023-12-03 03:45:51,840 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 546 transitions. [2023-12-03 03:45:51,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:45:51,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:51,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:51,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:51,843 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:51,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:45:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:52,774 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:53,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:45:53,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:53,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:53,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:45:53,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:53,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 401 states and 568 transitions. [2023-12-03 03:45:53,767 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 568 transitions. [2023-12-03 03:45:53,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:45:53,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:53,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:53,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:53,769 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:53,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:45:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:54,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:55,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:45:55,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:55,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:55,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 03:45:55,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:55,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 408 states and 590 transitions. [2023-12-03 03:45:55,749 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 590 transitions. [2023-12-03 03:45:55,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 03:45:55,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:55,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:55,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:55,753 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:55,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:45:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:56,662 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:57,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:45:57,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:57,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:57,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:45:58,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:58,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 413 states and 609 transitions. [2023-12-03 03:45:58,029 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 609 transitions. [2023-12-03 03:45:58,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:45:58,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:58,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:58,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:58,033 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:58,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:45:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:59,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:59,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:45:59,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:59,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:45:59,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:46:00,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:00,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 417 states and 616 transitions. [2023-12-03 03:46:00,236 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 616 transitions. [2023-12-03 03:46:00,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:46:00,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:00,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:00,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:00,239 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:00,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:46:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:01,244 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:02,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:02,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:02,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:02,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-03 03:46:02,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:02,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 418 states and 616 transitions. [2023-12-03 03:46:02,126 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 616 transitions. [2023-12-03 03:46:02,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:46:02,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:02,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:02,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:02,129 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:02,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:46:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:03,180 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:03,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:03,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:04,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:46:04,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:46:04,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:04,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 422 states and 623 transitions. [2023-12-03 03:46:04,360 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 623 transitions. [2023-12-03 03:46:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:46:04,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:04,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:04,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:04,363 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:04,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:46:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:05,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:06,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:06,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:06,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:06,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 03:46:07,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:07,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 426 states and 634 transitions. [2023-12-03 03:46:07,362 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 634 transitions. [2023-12-03 03:46:07,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:46:07,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:07,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:07,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:07,365 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:07,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 03:46:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:08,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:09,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:09,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:09,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:09,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 03:46:09,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 432 states and 646 transitions. [2023-12-03 03:46:09,331 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 646 transitions. [2023-12-03 03:46:09,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:46:09,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:09,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:09,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:09,335 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:09,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 03:46:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:10,413 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:11,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:11,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:11,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:46:11,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 03:46:11,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:11,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 435 states and 652 transitions. [2023-12-03 03:46:11,833 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 652 transitions. [2023-12-03 03:46:11,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 03:46:11,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:11,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:11,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:11,836 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:11,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 03:46:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:12,944 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:13,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:13,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:13,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:46:13,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 03:46:13,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:13,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 436 states and 653 transitions. [2023-12-03 03:46:13,988 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 653 transitions. [2023-12-03 03:46:13,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 03:46:13,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:13,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:13,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:13,991 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:13,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 03:46:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:15,114 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:15,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:15,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:16,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:46:16,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 03:46:16,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:16,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 439 states and 659 transitions. [2023-12-03 03:46:16,376 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 659 transitions. [2023-12-03 03:46:16,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 03:46:16,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:16,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:16,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:16,379 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:16,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 03:46:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:17,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:18,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:18,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:18,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:46:18,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 03:46:18,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:18,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 440 states and 660 transitions. [2023-12-03 03:46:18,568 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 660 transitions. [2023-12-03 03:46:18,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 03:46:18,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:18,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:18,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:18,572 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:18,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 03:46:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:19,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:20,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:20,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:46:20,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 03:46:20,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:20,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 442 states and 663 transitions. [2023-12-03 03:46:20,866 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 663 transitions. [2023-12-03 03:46:20,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 03:46:20,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:20,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:20,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:20,869 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:20,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 03:46:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:22,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:22,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:22,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:23,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:46:23,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 03:46:23,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:23,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 448 states and 679 transitions. [2023-12-03 03:46:23,806 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 679 transitions. [2023-12-03 03:46:23,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:46:23,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:23,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:23,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:23,809 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:23,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 03:46:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:25,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:25,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:25,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:26,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:46:26,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-12-03 03:46:27,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:27,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 454 states and 695 transitions. [2023-12-03 03:46:27,605 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 695 transitions. [2023-12-03 03:46:27,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:46:27,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:27,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:27,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:27,607 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:27,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 03:46:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:28,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:29,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:29,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:29,627 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:46:29,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 03:46:29,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:29,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 455 states and 695 transitions. [2023-12-03 03:46:29,668 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 695 transitions. [2023-12-03 03:46:29,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:46:29,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:29,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:29,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:29,671 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:29,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 03:46:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:30,908 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:31,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:31,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:31,774 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:46:31,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 03:46:31,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:31,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 458 states and 701 transitions. [2023-12-03 03:46:31,820 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 701 transitions. [2023-12-03 03:46:31,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 03:46:31,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:31,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:31,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:31,822 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:31,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 03:46:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:33,080 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:33,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:33,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:33,949 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:46:33,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 03:46:33,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:33,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 459 states and 702 transitions. [2023-12-03 03:46:33,989 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 702 transitions. [2023-12-03 03:46:33,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 03:46:33,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:33,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:33,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:33,991 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:33,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 03:46:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:35,278 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:36,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:36,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:36,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:36,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 03:46:36,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:36,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 474 states and 747 transitions. [2023-12-03 03:46:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 747 transitions. [2023-12-03 03:46:36,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 03:46:36,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:36,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:36,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:36,577 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:36,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 03:46:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:37,782 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:38,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:38,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:38,624 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:46:38,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 03:46:38,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:38,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 475 states and 748 transitions. [2023-12-03 03:46:38,649 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 748 transitions. [2023-12-03 03:46:38,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 03:46:38,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:38,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:38,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:38,651 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:38,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 03:46:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:39,893 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:40,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:40,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:40,821 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:46:40,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 03:46:42,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:46:44,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:44,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 479 states and 757 transitions. [2023-12-03 03:46:44,025 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 757 transitions. [2023-12-03 03:46:44,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 03:46:44,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:44,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:44,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:44,027 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:44,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 03:46:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:45,272 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:46,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:46,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:46,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:46,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 03:46:46,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:46,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 494 states and 802 transitions. [2023-12-03 03:46:46,693 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 802 transitions. [2023-12-03 03:46:46,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 03:46:46,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:46,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:46,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:46,695 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:46,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 03:46:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:47,981 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:48,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:48,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:48,838 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:46:48,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 03:46:48,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:48,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 495 states and 802 transitions. [2023-12-03 03:46:48,887 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 802 transitions. [2023-12-03 03:46:48,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 03:46:48,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:48,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:48,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:48,890 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:48,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 03:46:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:50,193 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:51,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:51,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:51,128 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:46:51,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 03:46:53,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:53,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 499 states and 810 transitions. [2023-12-03 03:46:53,308 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 810 transitions. [2023-12-03 03:46:53,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:46:53,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:53,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:53,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:53,310 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:53,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 03:46:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:54,689 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:55,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:55,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:55,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:55,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 03:46:56,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:56,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 521 states and 850 transitions. [2023-12-03 03:46:56,207 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 850 transitions. [2023-12-03 03:46:56,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:46:56,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:56,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:56,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:56,210 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:56,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 03:46:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:57,526 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:58,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:46:58,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:58,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:58,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2023-12-03 03:46:59,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:59,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 543 states and 890 transitions. [2023-12-03 03:46:59,200 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 890 transitions. [2023-12-03 03:46:59,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:46:59,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:59,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:59,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:59,203 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:59,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 03:47:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:00,597 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:01,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:47:01,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:01,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:01,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 03:47:01,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:01,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 544 states and 891 transitions. [2023-12-03 03:47:01,813 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 891 transitions. [2023-12-03 03:47:01,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 03:47:01,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:01,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:01,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:01,816 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:01,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 03:47:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:03,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:04,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:47:04,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:04,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:04,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 03:47:04,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:04,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 544 states and 888 transitions. [2023-12-03 03:47:04,233 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 888 transitions. [2023-12-03 03:47:04,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 03:47:04,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:04,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:04,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:04,236 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:04,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 03:47:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:05,720 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:06,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:47:06,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:06,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:06,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 03:47:07,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:07,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 545 states and 889 transitions. [2023-12-03 03:47:07,010 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 889 transitions. [2023-12-03 03:47:07,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:47:07,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:07,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:07,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:07,013 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:07,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 03:47:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:08,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:09,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:47:09,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:09,461 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:47:09,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 03:47:09,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:09,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 554 states and 904 transitions. [2023-12-03 03:47:09,666 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 904 transitions. [2023-12-03 03:47:09,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:47:09,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:09,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:09,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:09,669 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:09,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 03:47:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:11,139 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:11,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:47:11,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:12,135 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:47:12,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 03:47:12,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:12,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 554 states and 903 transitions. [2023-12-03 03:47:12,438 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 903 transitions. [2023-12-03 03:47:12,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 03:47:12,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:12,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:12,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:12,441 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:12,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 03:47:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:13,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:14,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:47:14,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:14,710 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:47:14,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 03:47:15,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:15,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 558 states and 917 transitions. [2023-12-03 03:47:15,026 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 917 transitions. [2023-12-03 03:47:15,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 03:47:15,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:15,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:15,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:15,029 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:15,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 03:47:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:16,508 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:17,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:47:17,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:17,656 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 03:47:17,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 03:47:17,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:17,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 560 states and 919 transitions. [2023-12-03 03:47:17,938 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 919 transitions. [2023-12-03 03:47:17,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 03:47:17,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:17,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:17,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:17,941 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:17,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 03:47:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:20,298 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:21,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 03:47:21,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:21,620 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:47:21,620 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 03:47:21,628 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:47:21,628 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 03:47:21,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-12-03 03:47:24,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:47:24,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 03:47:29,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:29,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 574 states and 945 transitions. [2023-12-03 03:47:29,550 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 945 transitions. [2023-12-03 03:47:29,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 03:47:29,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:29,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:29,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:29,554 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:29,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 03:47:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:32,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:32,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 03:47:32,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:33,177 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:47:33,178 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 03:47:33,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-12-03 03:47:33,200 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:47:33,201 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 03:47:33,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:47:33,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 03:47:35,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:35,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 574 states and 944 transitions. [2023-12-03 03:47:35,550 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 944 transitions. [2023-12-03 03:47:35,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 03:47:35,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:35,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:35,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:35,554 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:35,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 03:47:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:38,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:39,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 03:47:39,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:39,294 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:47:39,294 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 03:47:39,301 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:47:39,302 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 03:47:39,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-12-03 03:47:40,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:47:40,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 03:47:41,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:41,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 569 states and 931 transitions. [2023-12-03 03:47:41,519 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 931 transitions. [2023-12-03 03:47:41,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:47:41,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:41,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:41,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:41,522 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:41,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 03:47:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:43,061 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:43,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:47:43,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:43,933 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:47:43,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 03:47:44,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:44,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 573 states and 945 transitions. [2023-12-03 03:47:44,571 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 945 transitions. [2023-12-03 03:47:44,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:47:44,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:44,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:44,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:44,574 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:44,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 03:47:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:46,238 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:47,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:47:47,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:47,471 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 03:47:47,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 03:47:47,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:47,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 575 states and 947 transitions. [2023-12-03 03:47:47,533 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 947 transitions. [2023-12-03 03:47:47,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 03:47:47,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:47,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:47,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:47,535 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:47,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 03:47:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:49,261 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:50,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:47:50,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:50,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:47:50,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 03:48:03,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:03,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 593 states and 976 transitions. [2023-12-03 03:48:03,103 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 976 transitions. [2023-12-03 03:48:03,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 03:48:03,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:03,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:03,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:03,105 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:03,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 03:48:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:04,768 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:05,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:48:05,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:05,634 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:48:05,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 03:48:07,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:07,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 596 states and 985 transitions. [2023-12-03 03:48:07,139 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 985 transitions. [2023-12-03 03:48:07,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 03:48:07,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:07,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:07,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:07,141 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:07,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 03:48:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:08,768 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:09,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:48:09,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:09,644 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:48:09,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 03:48:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:11,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 599 states and 994 transitions. [2023-12-03 03:48:11,096 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 994 transitions. [2023-12-03 03:48:11,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 03:48:11,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:11,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:11,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:11,098 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:11,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 03:48:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:12,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:13,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:48:13,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:14,069 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:48:14,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 03:48:15,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:15,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 601 states and 996 transitions. [2023-12-03 03:48:15,627 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 996 transitions. [2023-12-03 03:48:15,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 03:48:15,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:15,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:15,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:15,630 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:15,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 03:48:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:18,469 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:19,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 03:48:19,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:19,658 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:48:19,658 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 03:48:19,665 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:48:19,666 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 03:48:19,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-12-03 03:48:23,074 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:23,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 03:48:36,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:36,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 618 states and 1032 transitions. [2023-12-03 03:48:36,979 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 1032 transitions. [2023-12-03 03:48:36,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:48:36,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:36,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:36,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:36,983 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:36,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 03:48:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:38,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:39,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:48:39,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:39,959 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:48:39,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 03:48:40,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:40,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 620 states and 1034 transitions. [2023-12-03 03:48:40,767 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 1034 transitions. [2023-12-03 03:48:40,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 03:48:40,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:40,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:40,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:40,771 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:40,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 03:48:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:42,507 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:43,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:48:43,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:43,383 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 03:48:43,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 03:48:44,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:44,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 624 states and 1040 transitions. [2023-12-03 03:48:44,290 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1040 transitions. [2023-12-03 03:48:44,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 03:48:44,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:44,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:44,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:44,293 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:44,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 03:48:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:45,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:46,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:48:46,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:46,842 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 03:48:46,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 03:48:47,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:47,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 626 states and 1042 transitions. [2023-12-03 03:48:47,861 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 1042 transitions. [2023-12-03 03:48:47,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:48:47,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:47,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:47,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:47,865 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:47,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 03:48:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:49,695 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:50,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:48:50,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:50,592 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 03:48:50,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 03:48:51,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:51,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 630 states and 1048 transitions. [2023-12-03 03:48:51,492 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1048 transitions. [2023-12-03 03:48:51,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:48:51,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:51,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:51,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:51,495 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:51,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 03:48:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:53,270 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:54,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:48:54,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:54,162 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 03:48:54,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 03:48:54,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:54,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 632 states and 1050 transitions. [2023-12-03 03:48:54,996 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1050 transitions. [2023-12-03 03:48:54,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 03:48:54,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:54,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:54,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:54,998 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:54,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 03:48:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:56,864 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:57,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:48:57,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:57,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:57,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 03:48:57,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:57,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 632 states and 1049 transitions. [2023-12-03 03:48:57,811 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1049 transitions. [2023-12-03 03:48:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:48:57,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:57,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:57,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:57,813 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:57,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 03:48:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:59,699 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:00,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:49:00,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:00,589 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:49:00,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 03:49:00,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:00,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 632 states and 1047 transitions. [2023-12-03 03:49:00,730 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1047 transitions. [2023-12-03 03:49:00,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 03:49:00,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:00,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:00,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:00,733 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:00,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 03:49:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:02,453 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:03,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:49:03,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:03,352 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 03:49:03,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 03:49:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:03,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 633 states and 1048 transitions. [2023-12-03 03:49:03,396 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1048 transitions. [2023-12-03 03:49:03,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 03:49:03,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:03,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:03,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:03,398 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:03,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 03:49:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:05,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:06,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:49:06,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:06,574 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 03:49:06,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 03:49:06,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:06,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 640 states and 1057 transitions. [2023-12-03 03:49:06,796 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1057 transitions. [2023-12-03 03:49:06,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 03:49:06,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:06,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:06,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:06,799 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:06,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 03:49:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:08,697 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:09,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:49:09,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:09,583 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:49:09,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 03:49:09,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:09,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 642 states and 1059 transitions. [2023-12-03 03:49:09,644 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1059 transitions. [2023-12-03 03:49:09,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:49:09,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:09,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:09,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:09,646 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:09,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 03:49:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:11,495 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:12,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:49:12,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:12,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:12,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 03:49:13,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:13,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 659 states and 1101 transitions. [2023-12-03 03:49:13,053 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 1101 transitions. [2023-12-03 03:49:13,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:49:13,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:13,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:13,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:13,055 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:13,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 03:49:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:15,599 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:16,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:49:16,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:17,244 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:49:17,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 03:49:18,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:18,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 661 states and 1104 transitions. [2023-12-03 03:49:18,092 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1104 transitions. [2023-12-03 03:49:18,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 03:49:18,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:18,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:18,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:18,094 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:18,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 03:49:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:19,935 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:20,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:49:20,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:20,810 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 03:49:20,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 03:49:20,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:20,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 662 states and 1105 transitions. [2023-12-03 03:49:20,858 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1105 transitions. [2023-12-03 03:49:20,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 03:49:20,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:20,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:20,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:20,861 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:20,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 03:49:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:22,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:23,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:49:23,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:23,592 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 03:49:23,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 03:49:23,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:23,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 663 states and 1105 transitions. [2023-12-03 03:49:23,663 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1105 transitions. [2023-12-03 03:49:23,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 03:49:23,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:23,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:23,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:23,665 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:23,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 03:49:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:25,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:26,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:49:26,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:26,712 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 03:49:26,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 03:49:26,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:26,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 670 states and 1114 transitions. [2023-12-03 03:49:26,943 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1114 transitions. [2023-12-03 03:49:26,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 03:49:26,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:26,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:26,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:26,945 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:26,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 03:49:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:28,931 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:29,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:49:29,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:29,815 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:49:29,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 03:49:29,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:29,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 672 states and 1116 transitions. [2023-12-03 03:49:29,877 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1116 transitions. [2023-12-03 03:49:29,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:49:29,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:29,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:29,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:29,879 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:29,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 03:49:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:31,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:32,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:49:32,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:33,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:33,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 03:49:33,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:33,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 689 states and 1158 transitions. [2023-12-03 03:49:33,487 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1158 transitions. [2023-12-03 03:49:33,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 03:49:33,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:33,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:33,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:33,489 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:33,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 03:49:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:36,539 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:37,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:49:37,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:38,584 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:49:38,585 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 03:49:38,602 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:49:38,603 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 03:49:38,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-12-03 03:49:43,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:43,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 03:50:08,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:08,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 708 states and 1198 transitions. [2023-12-03 03:50:08,020 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 1198 transitions. [2023-12-03 03:50:08,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 03:50:08,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:08,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:08,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:08,023 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:08,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 03:50:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:10,050 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:10,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:50:10,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:10,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:50:10,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2023-12-03 03:50:21,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:50:21,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:21,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 708 states and 1197 transitions. [2023-12-03 03:50:21,107 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 1197 transitions. [2023-12-03 03:50:21,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 03:50:21,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:21,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:21,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:21,110 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:21,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 03:50:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:23,193 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:23,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:50:23,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:24,088 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 03:50:24,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 03:50:24,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:24,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 709 states and 1197 transitions. [2023-12-03 03:50:24,160 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1197 transitions. [2023-12-03 03:50:24,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 03:50:24,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:24,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:24,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:24,162 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:24,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 03:50:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:26,332 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:27,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:50:27,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:27,219 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:50:27,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 03:50:27,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:27,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 712 states and 1202 transitions. [2023-12-03 03:50:27,280 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1202 transitions. [2023-12-03 03:50:27,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 03:50:27,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:27,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:27,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:27,282 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:27,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 03:50:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:29,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:30,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:50:30,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:30,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:50:30,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 03:50:30,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:30,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 720 states and 1212 transitions. [2023-12-03 03:50:30,895 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1212 transitions. [2023-12-03 03:50:30,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 03:50:30,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:30,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:30,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:30,898 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:30,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 03:50:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:33,800 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:34,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:50:34,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:35,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:50:35,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 03:50:36,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:36,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 722 states and 1215 transitions. [2023-12-03 03:50:36,677 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1215 transitions. [2023-12-03 03:50:36,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 03:50:36,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:36,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:36,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:36,679 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:36,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 03:50:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:38,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:39,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:50:39,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:40,067 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 03:50:40,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 03:50:40,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 726 states and 1223 transitions. [2023-12-03 03:50:40,355 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1223 transitions. [2023-12-03 03:50:40,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:50:40,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:40,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:40,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:40,357 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:40,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 03:50:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:42,598 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:43,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:50:43,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:50:43,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 03:50:43,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:43,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 729 states and 1228 transitions. [2023-12-03 03:50:43,549 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1228 transitions. [2023-12-03 03:50:43,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:50:43,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:43,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:43,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:43,552 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:43,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 03:50:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:45,749 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:46,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:50:46,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:46,630 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:50:46,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 03:50:46,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:46,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 730 states and 1228 transitions. [2023-12-03 03:50:46,688 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1228 transitions. [2023-12-03 03:50:46,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 03:50:46,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:46,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:46,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:46,691 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:46,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 03:50:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:48,897 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:49,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:50:49,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:50,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:50:50,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 03:50:50,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:50,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 738 states and 1238 transitions. [2023-12-03 03:50:50,374 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1238 transitions. [2023-12-03 03:50:50,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:50:50,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:50,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:50,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:50,376 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:50,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 03:50:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:52,761 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:53,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:50:53,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:53,641 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:50:53,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 03:50:53,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:53,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 738 states and 1237 transitions. [2023-12-03 03:50:53,712 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1237 transitions. [2023-12-03 03:50:53,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:50:53,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:53,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:53,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:53,716 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:53,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 03:50:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:56,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:57,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:50:57,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:58,559 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:50:58,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 03:51:02,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:02,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 741 states and 1243 transitions. [2023-12-03 03:51:02,277 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1243 transitions. [2023-12-03 03:51:02,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 03:51:02,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:02,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:02,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:02,280 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:02,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 03:51:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:04,548 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:05,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:51:05,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:05,470 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 03:51:05,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 03:51:05,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:05,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 745 states and 1251 transitions. [2023-12-03 03:51:05,810 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1251 transitions. [2023-12-03 03:51:05,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:51:05,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:05,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:05,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:05,814 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:05,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 03:51:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:08,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:08,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:51:08,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:09,010 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:51:09,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2023-12-03 03:51:09,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:09,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 746 states and 1251 transitions. [2023-12-03 03:51:09,087 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1251 transitions. [2023-12-03 03:51:09,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 03:51:09,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:09,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:09,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:09,090 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:09,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 03:51:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:11,186 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:12,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 842 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:51:12,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:13,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:51:13,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 03:51:16,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:16,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 747 states and 1252 transitions. [2023-12-03 03:51:16,589 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1252 transitions. [2023-12-03 03:51:16,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 03:51:16,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:16,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:16,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:16,592 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:16,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 03:51:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:20,097 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:21,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:51:21,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:21,402 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:51:21,402 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 03:51:21,409 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:51:21,409 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 03:51:21,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-12-03 03:51:22,043 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:22,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 03:51:22,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:22,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 750 states and 1255 transitions. [2023-12-03 03:51:22,192 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1255 transitions. [2023-12-03 03:51:22,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 03:51:22,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:22,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:22,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:22,195 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:22,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 03:51:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:25,694 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:26,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:51:26,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:26,983 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:51:26,984 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 03:51:26,990 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:51:26,991 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 03:51:27,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-12-03 03:51:27,589 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:51:27,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 03:51:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:30,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 752 states and 1256 transitions. [2023-12-03 03:51:30,451 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1256 transitions. [2023-12-03 03:51:30,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 03:51:30,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:30,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:30,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:30,454 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:30,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 03:51:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:33,747 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:34,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:51:34,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:51:35,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 03:51:38,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:38,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 754 states and 1258 transitions. [2023-12-03 03:51:38,429 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1258 transitions. [2023-12-03 03:51:38,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 03:51:38,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:38,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:38,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:38,431 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:38,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 03:51:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:41,561 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:42,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:51:42,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:42,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2023-12-03 03:51:44,053 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:51:44,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 03:51:58,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:52:09,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:52:09,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:52:09,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 755 states and 1259 transitions. [2023-12-03 03:52:09,081 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1259 transitions. [2023-12-03 03:52:09,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:52:09,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:52:09,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:52:09,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:52:09,084 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:52:09,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 03:52:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:11,521 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:52:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:12,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:52:12,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:52:12,563 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 03:52:12,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2023-12-03 03:52:12,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:52:12,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 756 states and 1260 transitions. [2023-12-03 03:52:12,621 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1260 transitions. [2023-12-03 03:52:12,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 03:52:12,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:52:12,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:52:12,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:52:12,623 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:52:12,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 03:52:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:15,114 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:52:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:16,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:52:16,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:52:16,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2023-12-03 03:52:20,786 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:52:20,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 03:52:34,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:52:46,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:52:56,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:53:01,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:01,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 757 states and 1261 transitions. [2023-12-03 03:53:01,603 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1261 transitions. [2023-12-03 03:53:01,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 03:53:01,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:01,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:01,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:01,605 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:01,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 03:53:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:04,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:05,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:53:05,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:06,881 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:53:06,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 03:53:11,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:11,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 760 states and 1267 transitions. [2023-12-03 03:53:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1267 transitions. [2023-12-03 03:53:11,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 03:53:11,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:11,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:11,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:11,909 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:11,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 03:53:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:15,154 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:16,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 03:53:16,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:16,566 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:53:16,566 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 03:53:16,572 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:53:16,573 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 03:53:16,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-12-03 03:53:18,303 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:53:18,304 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2023-12-03 03:53:19,776 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:53:19,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2023-12-03 03:53:29,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:53:39,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:53:49,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:53:59,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:54:12,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:12,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 785 states and 1301 transitions. [2023-12-03 03:54:12,997 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1301 transitions. [2023-12-03 03:54:12,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 03:54:12,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:12,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:12,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:13,000 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:13,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 03:54:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:16,323 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:17,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:54:17,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:18,694 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 03:54:18,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 03:54:23,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:23,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 786 states and 1302 transitions. [2023-12-03 03:54:23,398 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1302 transitions. [2023-12-03 03:54:23,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 03:54:23,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:23,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:23,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:23,401 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:23,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 03:54:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:27,076 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:28,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 03:54:28,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:28,386 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:54:28,386 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 03:54:28,392 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:54:28,393 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2023-12-03 03:54:28,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-12-03 03:54:29,077 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 03:54:29,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 03:54:32,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:32,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 788 states and 1303 transitions. [2023-12-03 03:54:32,679 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1303 transitions. [2023-12-03 03:54:32,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 03:54:32,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:32,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:32,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:32,682 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:32,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 03:54:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:35,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:36,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:54:36,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 03:54:36,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2023-12-03 03:54:46,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:54:57,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:55:07,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:55:17,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:55:42,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:42,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 815 states and 1340 transitions. [2023-12-03 03:55:42,512 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1340 transitions. [2023-12-03 03:55:42,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 03:55:42,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:42,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:42,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:42,515 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:42,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 03:55:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:45,267 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:46,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:55:46,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:46,341 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 03:55:46,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 03:55:50,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 818 states and 1346 transitions. [2023-12-03 03:55:50,516 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1346 transitions. [2023-12-03 03:55:50,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 03:55:50,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:50,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:50,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:50,518 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:50,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 03:55:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:53,128 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:53,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:55:53,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:54,186 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 03:55:54,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 03:55:54,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:54,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 820 states and 1354 transitions. [2023-12-03 03:55:54,328 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1354 transitions. [2023-12-03 03:55:54,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 03:55:54,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:54,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:54,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:54,330 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:54,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 03:55:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:56,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:57,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:55:57,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:57,956 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 03:55:57,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 03:55:58,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:58,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 822 states and 1362 transitions. [2023-12-03 03:55:58,081 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1362 transitions. [2023-12-03 03:55:58,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:55:58,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:58,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:58,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:58,083 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:58,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7838e-3db5-4b72-9c38-4e17f7d84171/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process