./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_b2af5eb9-bdff-454d-b1a9-aade05c091e4/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af5eb9-bdff-454d-b1a9-aade05c091e4/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af5eb9-bdff-454d-b1a9-aade05c091e4/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af5eb9-bdff-454d-b1a9-aade05c091e4/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af5eb9-bdff-454d-b1a9-aade05c091e4/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af5eb9-bdff-454d-b1a9-aade05c091e4/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cc21d3f2365aa3e9759266a2897b17abd63f704e2f2c46d2220f73d4b814d4db --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:29,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:29,910 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af5eb9-bdff-454d-b1a9-aade05c091e4/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-24 23:01:29,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:01:29,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:01:29,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:29,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:29,983 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:29,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:29,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:29,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:29,993 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:01:29,993 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:01:29,994 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:01:29,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:29,995 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:01:29,996 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:29,996 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:29,997 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:29,997 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:29,998 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:29,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:29,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:30,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:30,001 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:01:30,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:01:30,002 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_b2af5eb9-bdff-454d-b1a9-aade05c091e4/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af5eb9-bdff-454d-b1a9-aade05c091e4/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc21d3f2365aa3e9759266a2897b17abd63f704e2f2c46d2220f73d4b814d4db [2023-11-24 23:01:30,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:30,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:30,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:30,392 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:30,393 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:30,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af5eb9-bdff-454d-b1a9-aade05c091e4/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i [2023-11-24 23:01:34,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:34,998 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:34,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af5eb9-bdff-454d-b1a9-aade05c091e4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i [2023-11-24 23:01:35,071 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af5eb9-bdff-454d-b1a9-aade05c091e4/bin/ukojak-verify-afCqCEvfdi/data/7701f0567/36c42c3580d241b39ed6091f25f63e29/FLAG4b3a44999 [2023-11-24 23:01:35,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af5eb9-bdff-454d-b1a9-aade05c091e4/bin/ukojak-verify-afCqCEvfdi/data/7701f0567/36c42c3580d241b39ed6091f25f63e29 [2023-11-24 23:01:35,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:35,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:35,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:35,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:35,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:35,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:35" (1/1) ... [2023-11-24 23:01:35,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb5a002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:35, skipping insertion in model container [2023-11-24 23:01:35,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:35" (1/1) ... [2023-11-24 23:01:35,384 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:39,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:39,645 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:39,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/virtio_config.h"), "i" (99), "i" (12UL)); [4816-4817] [2023-11-24 23:01:39,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/virtio_config.h"), "i" (178), "i" (12UL)); [4854-4855] [2023-11-24 23:01:39,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (172), "i" (12UL)); [5304-5305] [2023-11-24 23:01:39,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (198), "i" (12UL)); [5360-5361] [2023-11-24 23:01:39,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (285), "i" (12UL)); [5562-5563] [2023-11-24 23:01:39,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (287), "i" (12UL)); [5612-5613] [2023-11-24 23:01:39,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (289), "i" (12UL)); [5662-5663] [2023-11-24 23:01:39,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (348), "i" (12UL)); [5800-5801] [2023-11-24 23:01:39,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (391), "i" (12UL)); [5911-5912] [2023-11-24 23:01:39,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (478), "i" (12UL)); [6126-6127] [2023-11-24 23:01:39,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (512), "i" (12UL)); [6214-6215] [2023-11-24 23:01:40,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (533), "i" (12UL)); [6269-6270] [2023-11-24 23:01:40,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (591), "i" (12UL)); [6454-6455] [2023-11-24 23:01:40,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (669), "i" (12UL)); [6605-6606] [2023-11-24 23:01:40,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (691), "i" (12UL)); [6671-6672] [2023-11-24 23:01:40,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (700), "i" (12UL)); [6744-6745] [2023-11-24 23:01:40,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (709), "i" (12UL)); [6818-6819] [2023-11-24 23:01:40,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (716), "i" (12UL)); [6888-6889] [2023-11-24 23:01:40,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (722), "i" (12UL)); [6958-6959] [2023-11-24 23:01:40,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/virtio_blk.c"), "i" (728), "i" (12UL)); [7028-7029] [2023-11-24 23:01:40,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:40,469 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:40,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:40 WrapperNode [2023-11-24 23:01:40,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:40,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:40,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:40,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:40,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:40" (1/1) ... [2023-11-24 23:01:40,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:40" (1/1) ... [2023-11-24 23:01:41,134 INFO L138 Inliner]: procedures = 554, calls = 1545, calls flagged for inlining = 867, calls inlined = 1289, statements flattened = 13471 [2023-11-24 23:01:41,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:41,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:41,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:41,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:41,147 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:40" (1/1) ... [2023-11-24 23:01:41,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:40" (1/1) ... [2023-11-24 23:01:41,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:40" (1/1) ... [2023-11-24 23:01:41,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:40" (1/1) ... [2023-11-24 23:01:41,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:40" (1/1) ... [2023-11-24 23:01:41,670 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:40" (1/1) ... [2023-11-24 23:01:41,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:40" (1/1) ... [2023-11-24 23:01:41,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:40" (1/1) ... [2023-11-24 23:01:41,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:41,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:41,845 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:41,845 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:41,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:40" (1/1) ... [2023-11-24 23:01:41,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:41,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af5eb9-bdff-454d-b1a9-aade05c091e4/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:41,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af5eb9-bdff-454d-b1a9-aade05c091e4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:41,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2af5eb9-bdff-454d-b1a9-aade05c091e4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:41,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:01:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:01:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:01:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:01:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:01:41,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:41,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:01:41,954 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:01:41,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:01:41,955 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2023-11-24 23:01:41,955 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2023-11-24 23:01:41,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:41,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:41,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:01:41,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:01:41,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:01:41,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:01:41,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:01:41,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:01:41,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:01:42,912 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:42,915 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:53,752 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint main_returnLabel#1: assume !(#valid == main_old_#valid#1); [2023-11-24 23:01:53,752 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint main_returnLabel#1: assume #valid == main_old_#valid#1;assume #valid == main_old_#valid#1;#t~ret879#1 := main_#res#1;assume { :end_inline_main } true; [2023-11-24 23:01:53,754 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_5_returnLabel#1: havoc ldv_entry_EMGentry_5_#t~ret669#1, ldv_entry_EMGentry_5_#t~ret670#1, ldv_entry_EMGentry_5_#t~ret671#1, ldv_entry_EMGentry_5_#t~ret672#1, ldv_entry_EMGentry_5_~arg0#1.base, ldv_entry_EMGentry_5_~arg0#1.offset, ldv_entry_EMGentry_5_~ldv_5_exit_fini_default~0#1.base, ldv_entry_EMGentry_5_~ldv_5_exit_fini_default~0#1.offset, ldv_entry_EMGentry_5_~ldv_5_init_init_default~0#1.base, ldv_entry_EMGentry_5_~ldv_5_init_init_default~0#1.offset, ldv_entry_EMGentry_5_~ldv_5_ret_default~0#1, ldv_entry_EMGentry_5_~tmp~38#1, ldv_entry_EMGentry_5_~tmp___0~25#1;havoc ldv_entry_EMGentry_5_#in~arg0#1.base, ldv_entry_EMGentry_5_#in~arg0#1.offset;assume { :end_inline_ldv_entry_EMGentry_5 } true;main_#res#1 := 0; [2023-11-24 23:01:53,757 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:01:53,875 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:00,502 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:00,502 INFO L309 CfgBuilder]: Removed 20 assume(true) statements. [2023-11-24 23:02:00,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:00 BoogieIcfgContainer [2023-11-24 23:02:00,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:00,508 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:00,508 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:00,517 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:00,517 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:00" (1/1) ... [2023-11-24 23:02:00,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:00,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:00,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 3324 states and 3819 transitions. [2023-11-24 23:02:00,680 INFO L276 IsEmpty]: Start isEmpty. Operand 3324 states and 3819 transitions. [2023-11-24 23:02:00,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:02:00,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:00,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:01,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:01,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:01,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3822 states to 3326 states and 3822 transitions. [2023-11-24 23:02:01,932 INFO L276 IsEmpty]: Start isEmpty. Operand 3326 states and 3822 transitions. [2023-11-24 23:02:01,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:02:01,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:01,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:02,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:02,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:02,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 3332 states and 3832 transitions. [2023-11-24 23:02:02,569 INFO L276 IsEmpty]: Start isEmpty. Operand 3332 states and 3832 transitions. [2023-11-24 23:02:02,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:02:02,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:02,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:03,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:03,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:03,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3331 states and 3831 transitions. [2023-11-24 23:02:03,507 INFO L276 IsEmpty]: Start isEmpty. Operand 3331 states and 3831 transitions. [2023-11-24 23:02:03,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:02:03,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:03,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:04,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:04,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:04,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3830 states to 3330 states and 3830 transitions. [2023-11-24 23:02:04,760 INFO L276 IsEmpty]: Start isEmpty. Operand 3330 states and 3830 transitions. [2023-11-24 23:02:04,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:02:04,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:04,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:04,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:05,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:05,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 3328 states and 3826 transitions. [2023-11-24 23:02:05,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3328 states and 3826 transitions. [2023-11-24 23:02:05,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:02:05,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:05,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:05,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:05,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:05,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 3331 states and 3829 transitions. [2023-11-24 23:02:05,650 INFO L276 IsEmpty]: Start isEmpty. Operand 3331 states and 3829 transitions. [2023-11-24 23:02:05,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:02:05,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:05,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:05,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:06,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:06,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3841 states to 3339 states and 3841 transitions. [2023-11-24 23:02:06,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3339 states and 3841 transitions. [2023-11-24 23:02:06,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:06,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:06,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:07,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:07,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3840 states to 3338 states and 3840 transitions. [2023-11-24 23:02:07,363 INFO L276 IsEmpty]: Start isEmpty. Operand 3338 states and 3840 transitions. [2023-11-24 23:02:07,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:02:07,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:07,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:08,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:08,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:08,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3839 states to 3337 states and 3839 transitions. [2023-11-24 23:02:08,384 INFO L276 IsEmpty]: Start isEmpty. Operand 3337 states and 3839 transitions. [2023-11-24 23:02:08,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:02:08,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:08,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:08,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:08,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:08,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3836 states to 3335 states and 3836 transitions. [2023-11-24 23:02:08,653 INFO L276 IsEmpty]: Start isEmpty. Operand 3335 states and 3836 transitions. [2023-11-24 23:02:08,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:02:08,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:08,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:08,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:08,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:08,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3336 states and 3837 transitions. [2023-11-24 23:02:08,909 INFO L276 IsEmpty]: Start isEmpty. Operand 3336 states and 3837 transitions. [2023-11-24 23:02:08,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:02:08,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:08,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:09,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:10,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:10,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3836 states to 3335 states and 3836 transitions. [2023-11-24 23:02:10,981 INFO L276 IsEmpty]: Start isEmpty. Operand 3335 states and 3836 transitions. [2023-11-24 23:02:10,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:02:10,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:10,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:11,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:11,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:11,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 3335 states and 3835 transitions. [2023-11-24 23:02:11,757 INFO L276 IsEmpty]: Start isEmpty. Operand 3335 states and 3835 transitions. [2023-11-24 23:02:11,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:02:11,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:11,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:11,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:12,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:12,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3840 states to 3340 states and 3840 transitions. [2023-11-24 23:02:12,011 INFO L276 IsEmpty]: Start isEmpty. Operand 3340 states and 3840 transitions. [2023-11-24 23:02:12,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:02:12,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:12,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:12,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.