./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_093cbc03-627f-4649-9e1e-7d12fe50d87a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093cbc03-627f-4649-9e1e-7d12fe50d87a/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093cbc03-627f-4649-9e1e-7d12fe50d87a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093cbc03-627f-4649-9e1e-7d12fe50d87a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093cbc03-627f-4649-9e1e-7d12fe50d87a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093cbc03-627f-4649-9e1e-7d12fe50d87a/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 320b7d1e6644967c46f7e8e7bf75fe72a135182fd29b7d8b00aa24dd98e9882e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:08:36,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:08:36,328 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093cbc03-627f-4649-9e1e-7d12fe50d87a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:08:36,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:08:36,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:08:36,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:08:36,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:08:36,387 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:08:36,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:08:36,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:08:36,390 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:08:36,391 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:08:36,391 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:08:36,394 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:08:36,394 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:08:36,395 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:08:36,395 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:08:36,395 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:08:36,396 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:08:36,396 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:08:36,396 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:08:36,400 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:08:36,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:08:36,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:08:36,402 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:08:36,402 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:08:36,403 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:08:36,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:08:36,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:08:36,424 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:08:36,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:08:36,425 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:08:36,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:08:36,426 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:08:36,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:08:36,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:08:36,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:08:36,429 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:08:36,429 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:08:36,429 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:08:36,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:08:36,430 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:08:36,430 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:08:36,431 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:08:36,432 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_093cbc03-627f-4649-9e1e-7d12fe50d87a/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093cbc03-627f-4649-9e1e-7d12fe50d87a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 320b7d1e6644967c46f7e8e7bf75fe72a135182fd29b7d8b00aa24dd98e9882e [2024-11-09 05:08:36,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:08:36,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:08:36,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:08:36,817 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:08:36,818 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:08:36,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093cbc03-627f-4649-9e1e-7d12fe50d87a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-09 05:08:39,204 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:08:40,020 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:08:40,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093cbc03-627f-4649-9e1e-7d12fe50d87a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2024-11-09 05:08:40,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093cbc03-627f-4649-9e1e-7d12fe50d87a/bin/utaipan-verify-YMUCfTKeje/data/f8d6b53ea/f5c3917b1399493884bc7366a128fea5/FLAG475a25681 [2024-11-09 05:08:40,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093cbc03-627f-4649-9e1e-7d12fe50d87a/bin/utaipan-verify-YMUCfTKeje/data/f8d6b53ea/f5c3917b1399493884bc7366a128fea5 [2024-11-09 05:08:40,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:08:40,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:08:40,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:08:40,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:08:40,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:08:40,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:08:40" (1/1) ... [2024-11-09 05:08:40,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa269cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:40, skipping insertion in model container [2024-11-09 05:08:40,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:08:40" (1/1) ... [2024-11-09 05:08:40,348 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:08:44,116 WARN L250 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_093cbc03-627f-4649-9e1e-7d12fe50d87a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[370344,370357] [2024-11-09 05:08:44,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:08:44,449 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:08:44,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3930] [2024-11-09 05:08:44,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3937] [2024-11-09 05:08:44,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3951-3952] [2024-11-09 05:08:44,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [3960] [2024-11-09 05:08:44,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4299] [2024-11-09 05:08:44,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4306] [2024-11-09 05:08:44,781 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9066/dscv_tempdir/dscv/ri/32_7a/drivers/usb/host/fotg210-hcd.c"), "i" (1921), "i" (12UL)); [6562-6563] [2024-11-09 05:08:44,804 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9066/dscv_tempdir/dscv/ri/32_7a/drivers/usb/host/fotg210-hcd.c"), "i" (2133), "i" (12UL)); [6814-6815] [2024-11-09 05:08:44,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7139] [2024-11-09 05:08:44,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7185] [2024-11-09 05:08:44,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7737] [2024-11-09 05:08:44,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7813] [2024-11-09 05:08:44,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7933] [2024-11-09 05:08:44,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8452] [2024-11-09 05:08:44,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8537] [2024-11-09 05:08:44,935 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9066/dscv_tempdir/dscv/ri/32_7a/drivers/usb/host/fotg210-hcd.c"), "i" (4035), "i" (12UL)); [8848-8849] [2024-11-09 05:08:44,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9481] [2024-11-09 05:08:45,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9856] [2024-11-09 05:08:45,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9887] [2024-11-09 05:08:45,070 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 *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9066/dscv_tempdir/dscv/ri/32_7a/drivers/usb/host/fotg210-hcd.c"), "i" (5180), "i" (12UL)); [10271-10272] [2024-11-09 05:08:45,123 WARN L250 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_093cbc03-627f-4649-9e1e-7d12fe50d87a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[370344,370357] [2024-11-09 05:08:45,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:08:45,241 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:08:45,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:45 WrapperNode [2024-11-09 05:08:45,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:08:45,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:08:45,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:08:45,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:08:45,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:45" (1/1) ... [2024-11-09 05:08:45,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:45" (1/1) ... [2024-11-09 05:08:45,822 INFO L138 Inliner]: procedures = 384, calls = 4924, calls flagged for inlining = 150, calls inlined = 146, statements flattened = 14190 [2024-11-09 05:08:45,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:08:45,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:08:45,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:08:45,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:08:45,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:45" (1/1) ... [2024-11-09 05:08:45,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:45" (1/1) ... [2024-11-09 05:08:45,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:45" (1/1) ... [2024-11-09 05:08:45,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:45" (1/1) ... [2024-11-09 05:08:46,217 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:45" (1/1) ... [2024-11-09 05:08:46,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:45" (1/1) ... [2024-11-09 05:08:46,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:45" (1/1) ... [2024-11-09 05:08:46,573 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:45" (1/1) ... [2024-11-09 05:08:46,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:08:46,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:08:46,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:08:46,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:08:46,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:45" (1/1) ... [2024-11-09 05:08:46,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:08:46,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093cbc03-627f-4649-9e1e-7d12fe50d87a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:08:46,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093cbc03-627f-4649-9e1e-7d12fe50d87a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:08:46,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093cbc03-627f-4649-9e1e-7d12fe50d87a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:08:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2024-11-09 05:08:46,731 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2024-11-09 05:08:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_PSS [2024-11-09 05:08:46,731 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_PSS [2024-11-09 05:08:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2024-11-09 05:08:46,731 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2024-11-09 05:08:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2024-11-09 05:08:46,732 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2024-11-09 05:08:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2024-11-09 05:08:46,732 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2024-11-09 05:08:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 05:08:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qh_alloc [2024-11-09 05:08:46,732 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qh_alloc [2024-11-09 05:08:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 05:08:46,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 05:08:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 05:08:46,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 05:08:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_dequeue [2024-11-09 05:08:46,733 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_dequeue [2024-11-09 05:08:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2024-11-09 05:08:46,733 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2024-11-09 05:08:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2024-11-09 05:08:46,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2024-11-09 05:08:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_to_hcd [2024-11-09 05:08:46,734 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_to_hcd [2024-11-09 05:08:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2024-11-09 05:08:46,734 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2024-11-09 05:08:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 05:08:46,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 05:08:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2024-11-09 05:08:46,734 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2024-11-09 05:08:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2024-11-09 05:08:46,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2024-11-09 05:08:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2024-11-09 05:08:46,737 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2024-11-09 05:08:46,737 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2024-11-09 05:08:46,737 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2024-11-09 05:08:46,738 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 05:08:46,738 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 05:08:46,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 05:08:46,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 05:08:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_remove [2024-11-09 05:08:46,740 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_remove [2024-11-09 05:08:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2024-11-09 05:08:46,740 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2024-11-09 05:08:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_ASS [2024-11-09 05:08:46,740 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_ASS [2024-11-09 05:08:46,740 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2024-11-09 05:08:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2024-11-09 05:08:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_run [2024-11-09 05:08:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_run [2024-11-09 05:08:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-09 05:08:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-09 05:08:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 05:08:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 05:08:46,741 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2024-11-09 05:08:46,743 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2024-11-09 05:08:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:08:46,743 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:08:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_status_data [2024-11-09 05:08:46,743 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_status_data [2024-11-09 05:08:46,744 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_set_command_bit [2024-11-09 05:08:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_set_command_bit [2024-11-09 05:08:46,744 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2024-11-09 05:08:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2024-11-09 05:08:46,744 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2024-11-09 05:08:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2024-11-09 05:08:46,744 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-09 05:08:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-09 05:08:46,744 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_init [2024-11-09 05:08:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_init [2024-11-09 05:08:46,745 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-09 05:08:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-09 05:08:46,745 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2024-11-09 05:08:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2024-11-09 05:08:46,745 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_relinquish_port [2024-11-09 05:08:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_relinquish_port [2024-11-09 05:08:46,745 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_fotg210 [2024-11-09 05:08:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_fotg210 [2024-11-09 05:08:46,745 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_irq [2024-11-09 05:08:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_irq [2024-11-09 05:08:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2024-11-09 05:08:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2024-11-09 05:08:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2024-11-09 05:08:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2024-11-09 05:08:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_stop [2024-11-09 05:08:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_stop [2024-11-09 05:08:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:08:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-09 05:08:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-09 05:08:46,748 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2024-11-09 05:08:46,748 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2024-11-09 05:08:46,748 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_command_bit [2024-11-09 05:08:46,748 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_command_bit [2024-11-09 05:08:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2024-11-09 05:08:46,749 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2024-11-09 05:08:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:08:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-09 05:08:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-09 05:08:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2024-11-09 05:08:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2024-11-09 05:08:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2024-11-09 05:08:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2024-11-09 05:08:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-09 05:08:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-09 05:08:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2024-11-09 05:08:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2024-11-09 05:08:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-09 05:08:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-09 05:08:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_readl [2024-11-09 05:08:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_readl [2024-11-09 05:08:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-09 05:08:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-09 05:08:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2024-11-09 05:08:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2024-11-09 05:08:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer [2024-11-09 05:08:46,752 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer [2024-11-09 05:08:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2024-11-09 05:08:46,752 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2024-11-09 05:08:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:08:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 05:08:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_writel [2024-11-09 05:08:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_writel [2024-11-09 05:08:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2024-11-09 05:08:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2024-11-09 05:08:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 05:08:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 05:08:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2024-11-09 05:08:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2024-11-09 05:08:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_halt [2024-11-09 05:08:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_halt [2024-11-09 05:08:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2024-11-09 05:08:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2024-11-09 05:08:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_probe [2024-11-09 05:08:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_probe [2024-11-09 05:08:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2024-11-09 05:08:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2024-11-09 05:08:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 05:08:46,755 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 05:08:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-09 05:08:46,756 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-09 05:08:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_disable [2024-11-09 05:08:46,756 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_disable [2024-11-09 05:08:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2024-11-09 05:08:46,757 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2024-11-09 05:08:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-09 05:08:46,757 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-09 05:08:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-09 05:08:46,757 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-09 05:08:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-09 05:08:46,757 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-09 05:08:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2024-11-09 05:08:46,757 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2024-11-09 05:08:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_mem_cleanup [2024-11-09 05:08:46,758 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_mem_cleanup [2024-11-09 05:08:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_controller_death [2024-11-09 05:08:46,758 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_controller_death [2024-11-09 05:08:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-09 05:08:46,758 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-09 05:08:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2024-11-09 05:08:46,758 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2024-11-09 05:08:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2024-11-09 05:08:46,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2024-11-09 05:08:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2024-11-09 05:08:46,759 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2024-11-09 05:08:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_speed [2024-11-09 05:08:46,759 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_speed [2024-11-09 05:08:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2024-11-09 05:08:46,759 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2024-11-09 05:08:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-09 05:08:46,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-09 05:08:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_shutdown [2024-11-09 05:08:46,759 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_shutdown [2024-11-09 05:08:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-09 05:08:46,759 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-09 05:08:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_intr_unlinks [2024-11-09 05:08:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_intr_unlinks [2024-11-09 05:08:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 05:08:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-09 05:08:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-09 05:08:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-09 05:08:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-09 05:08:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_enable_event [2024-11-09 05:08:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_enable_event [2024-11-09 05:08:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_free [2024-11-09 05:08:46,761 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_free [2024-11-09 05:08:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_read_frame_index [2024-11-09 05:08:46,761 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_read_frame_index [2024-11-09 05:08:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2024-11-09 05:08:46,761 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2024-11-09 05:08:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:08:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_quiesce [2024-11-09 05:08:46,761 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_quiesce [2024-11-09 05:08:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_debug_buffer [2024-11-09 05:08:46,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_debug_buffer [2024-11-09 05:08:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2024-11-09 05:08:46,762 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2024-11-09 05:08:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_get_frame [2024-11-09 05:08:46,762 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_get_frame [2024-11-09 05:08:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2024-11-09 05:08:46,762 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2024-11-09 05:08:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2024-11-09 05:08:46,762 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2024-11-09 05:08:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-09 05:08:46,762 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-09 05:08:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_silence_controller [2024-11-09 05:08:46,763 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_silence_controller [2024-11-09 05:08:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2024-11-09 05:08:46,763 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2024-11-09 05:08:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 05:08:46,763 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 05:08:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer_complete [2024-11-09 05:08:46,763 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer_complete [2024-11-09 05:08:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2024-11-09 05:08:46,763 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2024-11-09 05:08:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-09 05:08:46,764 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-09 05:08:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:08:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-09 05:08:46,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-09 05:08:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_reset [2024-11-09 05:08:46,764 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_reset [2024-11-09 05:08:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2024-11-09 05:08:46,764 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2024-11-09 05:08:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-09 05:08:46,764 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-09 05:08:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 05:08:46,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 05:08:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2024-11-09 05:08:46,765 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2024-11-09 05:08:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-09 05:08:46,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-09 05:08:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:08:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_reset [2024-11-09 05:08:46,765 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_reset [2024-11-09 05:08:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-09 05:08:46,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-09 05:08:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-09 05:08:46,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-09 05:08:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:08:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2024-11-09 05:08:46,766 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2024-11-09 05:08:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2024-11-09 05:08:46,766 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2024-11-09 05:08:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2024-11-09 05:08:46,766 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2024-11-09 05:08:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:08:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_alloc [2024-11-09 05:08:46,766 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_alloc [2024-11-09 05:08:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_work [2024-11-09 05:08:46,766 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_work [2024-11-09 05:08:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2024-11-09 05:08:46,767 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2024-11-09 05:08:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-09 05:08:46,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-09 05:08:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-09 05:08:46,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-09 05:08:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2024-11-09 05:08:46,767 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2024-11-09 05:08:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_control [2024-11-09 05:08:46,767 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_control [2024-11-09 05:08:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2024-11-09 05:08:46,768 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2024-11-09 05:08:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2024-11-09 05:08:46,768 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2024-11-09 05:08:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2024-11-09 05:08:46,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2024-11-09 05:08:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-09 05:08:46,768 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-09 05:08:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2024-11-09 05:08:46,768 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2024-11-09 05:08:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-09 05:08:46,769 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-09 05:08:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2024-11-09 05:08:46,769 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2024-11-09 05:08:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2024-11-09 05:08:46,769 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2024-11-09 05:08:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2024-11-09 05:08:46,769 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2024-11-09 05:08:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2024-11-09 05:08:46,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2024-11-09 05:08:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2024-11-09 05:08:46,770 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2024-11-09 05:08:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-09 05:08:46,770 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-09 05:08:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_enqueue [2024-11-09 05:08:46,770 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_enqueue [2024-11-09 05:08:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2024-11-09 05:08:46,770 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2024-11-09 05:08:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-09 05:08:46,770 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-09 05:08:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2024-11-09 05:08:46,770 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2024-11-09 05:08:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-09 05:08:46,771 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-09 05:08:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-11-09 05:08:46,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-11-09 05:08:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-09 05:08:46,771 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-09 05:08:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-09 05:08:46,771 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-09 05:08:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2024-11-09 05:08:46,771 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2024-11-09 05:08:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-09 05:08:46,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-09 05:08:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:08:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_fotg210_init [2024-11-09 05:08:46,772 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_fotg210_init [2024-11-09 05:08:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_handed_over [2024-11-09 05:08:46,772 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_handed_over [2024-11-09 05:08:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_done [2024-11-09 05:08:46,772 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_done [2024-11-09 05:08:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:08:46,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:08:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2024-11-09 05:08:46,772 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2024-11-09 05:08:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-09 05:08:46,772 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-09 05:08:48,266 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:08:48,271 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:08:49,017 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 05:09:05,791 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_platform_driver_unregister_16_returnLabel#1: havoc ldv_platform_driver_unregister_16_~ldv_func_arg1#1.base, ldv_platform_driver_unregister_16_~ldv_func_arg1#1.offset;havoc ldv_platform_driver_unregister_16_#in~ldv_func_arg1#1.base, ldv_platform_driver_unregister_16_#in~ldv_func_arg1#1.offset;assume { :end_inline_ldv_platform_driver_unregister_16 } true; [2024-11-09 05:09:08,451 INFO L? ?]: Removed 4411 outVars from TransFormulas that were not future-live. [2024-11-09 05:09:08,451 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:09:17,710 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:09:17,712 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 05:09:17,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:09:17 BoogieIcfgContainer [2024-11-09 05:09:17,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:09:17,717 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:09:17,717 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:09:17,722 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:09:17,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:08:40" (1/3) ... [2024-11-09 05:09:17,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fc18e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:09:17, skipping insertion in model container [2024-11-09 05:09:17,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:45" (2/3) ... [2024-11-09 05:09:17,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fc18e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:09:17, skipping insertion in model container [2024-11-09 05:09:17,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:09:17" (3/3) ... [2024-11-09 05:09:17,728 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2024-11-09 05:09:17,754 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:09:17,755 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:09:17,959 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:09:17,969 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2f96bdec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:09:17,970 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:09:17,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 3213 states, 1976 states have (on average 1.3228744939271255) internal successors, (2614), 2069 states have internal predecessors, (2614), 1084 states have call successors, (1084), 152 states have call predecessors, (1084), 151 states have return successors, (1076), 1051 states have call predecessors, (1076), 1076 states have call successors, (1076) [2024-11-09 05:09:18,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-09 05:09:18,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:09:18,034 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:09:18,035 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:09:18,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:09:18,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1544975136, now seen corresponding path program 1 times [2024-11-09 05:09:18,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:09:18,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066753020] [2024-11-09 05:09:18,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:09:18,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:09:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:09:27,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2024-11-09 05:09:27,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:09:27,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066753020] [2024-11-09 05:09:27,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066753020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:09:27,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:09:27,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:09:27,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977418322] [2024-11-09 05:09:27,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:09:27,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:09:27,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:09:27,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:09:27,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:09:27,856 INFO L87 Difference]: Start difference. First operand has 3213 states, 1976 states have (on average 1.3228744939271255) internal successors, (2614), 2069 states have internal predecessors, (2614), 1084 states have call successors, (1084), 152 states have call predecessors, (1084), 151 states have return successors, (1076), 1051 states have call predecessors, (1076), 1076 states have call successors, (1076) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-09 05:09:30,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:09:40,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:09:40,055 INFO L93 Difference]: Finished difference Result 9492 states and 14117 transitions. [2024-11-09 05:09:40,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:09:40,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 296 [2024-11-09 05:09:40,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:09:40,166 INFO L225 Difference]: With dead ends: 9492 [2024-11-09 05:09:40,167 INFO L226 Difference]: Without dead ends: 6295 [2024-11-09 05:09:40,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:09:40,212 INFO L432 NwaCegarLoop]: 4295 mSDtfsCounter, 4723 mSDsluCounter, 4197 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4723 SdHoareTripleChecker+Valid, 8492 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:09:40,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4723 Valid, 8492 Invalid, 954 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 951 Invalid, 1 Unknown, 0 Unchecked, 11.6s Time] [2024-11-09 05:09:40,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6295 states. [2024-11-09 05:09:40,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6295 to 6280. [2024-11-09 05:09:40,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6280 states, 3875 states have (on average 1.3179354838709678) internal successors, (5107), 4038 states have internal predecessors, (5107), 2105 states have call successors, (2105), 300 states have call predecessors, (2105), 299 states have return successors, (2099), 2047 states have call predecessors, (2099), 2099 states have call successors, (2099) [2024-11-09 05:09:40,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6280 states to 6280 states and 9311 transitions. [2024-11-09 05:09:40,980 INFO L78 Accepts]: Start accepts. Automaton has 6280 states and 9311 transitions. Word has length 296 [2024-11-09 05:09:40,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:09:40,984 INFO L471 AbstractCegarLoop]: Abstraction has 6280 states and 9311 transitions. [2024-11-09 05:09:40,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-09 05:09:40,988 INFO L276 IsEmpty]: Start isEmpty. Operand 6280 states and 9311 transitions. [2024-11-09 05:09:41,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-09 05:09:41,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:09:41,001 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:09:41,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:09:41,004 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:09:41,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:09:41,005 INFO L85 PathProgramCache]: Analyzing trace with hash 2144605431, now seen corresponding path program 1 times [2024-11-09 05:09:41,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:09:41,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947686915] [2024-11-09 05:09:41,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:09:41,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:09:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:09:49,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2024-11-09 05:09:49,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:09:49,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947686915] [2024-11-09 05:09:49,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947686915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:09:49,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:09:49,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:09:49,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436097879] [2024-11-09 05:09:49,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:09:49,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:09:49,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:09:49,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:09:49,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:09:49,449 INFO L87 Difference]: Start difference. First operand 6280 states and 9311 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-09 05:09:51,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:10:01,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:10:01,686 INFO L93 Difference]: Finished difference Result 18671 states and 27678 transitions. [2024-11-09 05:10:01,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:10:01,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 297 [2024-11-09 05:10:01,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:10:01,797 INFO L225 Difference]: With dead ends: 18671 [2024-11-09 05:10:01,797 INFO L226 Difference]: Without dead ends: 12452 [2024-11-09 05:10:01,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:10:01,844 INFO L432 NwaCegarLoop]: 4286 mSDtfsCounter, 4678 mSDsluCounter, 4158 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4678 SdHoareTripleChecker+Valid, 8444 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:10:01,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4678 Valid, 8444 Invalid, 953 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 950 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2024-11-09 05:10:01,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12452 states. [2024-11-09 05:10:02,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12452 to 12436. [2024-11-09 05:10:02,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12436 states, 7677 states have (on average 1.318223264295949) internal successors, (10120), 8000 states have internal predecessors, (10120), 4161 states have call successors, (4161), 598 states have call predecessors, (4161), 597 states have return successors, (4155), 4049 states have call predecessors, (4155), 4155 states have call successors, (4155) [2024-11-09 05:10:02,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12436 states to 12436 states and 18436 transitions. [2024-11-09 05:10:02,774 INFO L78 Accepts]: Start accepts. Automaton has 12436 states and 18436 transitions. Word has length 297 [2024-11-09 05:10:02,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:10:02,777 INFO L471 AbstractCegarLoop]: Abstraction has 12436 states and 18436 transitions. [2024-11-09 05:10:02,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-09 05:10:02,778 INFO L276 IsEmpty]: Start isEmpty. Operand 12436 states and 18436 transitions. [2024-11-09 05:10:02,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-09 05:10:02,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:10:02,790 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:10:02,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:10:02,790 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:10:02,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:10:02,791 INFO L85 PathProgramCache]: Analyzing trace with hash 2061814538, now seen corresponding path program 1 times [2024-11-09 05:10:02,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:10:02,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552926872] [2024-11-09 05:10:02,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:10:02,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:10:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:10:09,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2024-11-09 05:10:09,781 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:10:09,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552926872] [2024-11-09 05:10:09,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552926872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:10:09,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:10:09,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:10:09,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546525124] [2024-11-09 05:10:09,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:10:09,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:10:09,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:10:09,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:10:09,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:10:09,790 INFO L87 Difference]: Start difference. First operand 12436 states and 18436 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-09 05:10:11,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:10:20,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:10:20,525 INFO L93 Difference]: Finished difference Result 36728 states and 54424 transitions. [2024-11-09 05:10:20,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:10:20,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 302 [2024-11-09 05:10:20,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:10:20,768 INFO L225 Difference]: With dead ends: 36728 [2024-11-09 05:10:20,769 INFO L226 Difference]: Without dead ends: 24353 [2024-11-09 05:10:20,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:10:20,866 INFO L432 NwaCegarLoop]: 4773 mSDtfsCounter, 4652 mSDsluCounter, 4157 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4652 SdHoareTripleChecker+Valid, 8930 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:10:20,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4652 Valid, 8930 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1003 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2024-11-09 05:10:20,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24353 states. [2024-11-09 05:10:22,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24353 to 24339. [2024-11-09 05:10:22,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24339 states, 15034 states have (on average 1.3182785685778902) internal successors, (19819), 15660 states have internal predecessors, (19819), 8122 states have call successors, (8122), 1183 states have call predecessors, (8122), 1182 states have return successors, (8116), 7913 states have call predecessors, (8116), 8116 states have call successors, (8116) [2024-11-09 05:10:22,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24339 states to 24339 states and 36057 transitions. [2024-11-09 05:10:22,787 INFO L78 Accepts]: Start accepts. Automaton has 24339 states and 36057 transitions. Word has length 302 [2024-11-09 05:10:22,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:10:22,791 INFO L471 AbstractCegarLoop]: Abstraction has 24339 states and 36057 transitions. [2024-11-09 05:10:22,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-09 05:10:22,792 INFO L276 IsEmpty]: Start isEmpty. Operand 24339 states and 36057 transitions. [2024-11-09 05:10:22,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-11-09 05:10:22,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:10:22,800 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:10:22,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:10:22,801 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:10:22,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:10:22,804 INFO L85 PathProgramCache]: Analyzing trace with hash 226322116, now seen corresponding path program 1 times [2024-11-09 05:10:22,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:10:22,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135428073] [2024-11-09 05:10:22,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:10:22,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:10:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:10:29,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2024-11-09 05:10:29,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:10:29,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135428073] [2024-11-09 05:10:29,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135428073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:10:29,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:10:29,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:10:29,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333445869] [2024-11-09 05:10:29,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:10:29,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:10:29,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:10:29,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:10:29,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:10:29,103 INFO L87 Difference]: Start difference. First operand 24339 states and 36057 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-09 05:10:31,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:10:37,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:10:37,469 INFO L93 Difference]: Finished difference Result 24341 states and 36058 transitions. [2024-11-09 05:10:37,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:10:37,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 304 [2024-11-09 05:10:37,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:10:37,726 INFO L225 Difference]: With dead ends: 24341 [2024-11-09 05:10:37,727 INFO L226 Difference]: Without dead ends: 24338 [2024-11-09 05:10:37,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:10:37,758 INFO L432 NwaCegarLoop]: 4254 mSDtfsCounter, 4652 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4652 SdHoareTripleChecker+Valid, 4254 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:10:37,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4652 Valid, 4254 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 470 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2024-11-09 05:10:37,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24338 states. [2024-11-09 05:10:40,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24338 to 24338. [2024-11-09 05:10:40,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24338 states, 15034 states have (on average 1.3182120526805907) internal successors, (19818), 15659 states have internal predecessors, (19818), 8121 states have call successors, (8121), 1183 states have call predecessors, (8121), 1182 states have return successors, (8116), 7913 states have call predecessors, (8116), 8116 states have call successors, (8116) [2024-11-09 05:10:40,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24338 states to 24338 states and 36055 transitions. [2024-11-09 05:10:40,419 INFO L78 Accepts]: Start accepts. Automaton has 24338 states and 36055 transitions. Word has length 304 [2024-11-09 05:10:40,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:10:40,420 INFO L471 AbstractCegarLoop]: Abstraction has 24338 states and 36055 transitions. [2024-11-09 05:10:40,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-09 05:10:40,420 INFO L276 IsEmpty]: Start isEmpty. Operand 24338 states and 36055 transitions. [2024-11-09 05:10:40,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-11-09 05:10:40,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:10:40,428 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:10:40,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:10:40,429 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:10:40,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:10:40,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1575815495, now seen corresponding path program 1 times [2024-11-09 05:10:40,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:10:40,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145081482] [2024-11-09 05:10:40,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:10:40,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:10:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:10:48,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2024-11-09 05:10:48,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:10:48,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145081482] [2024-11-09 05:10:48,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145081482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:10:48,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:10:48,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:10:48,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140102961] [2024-11-09 05:10:48,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:10:48,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:10:48,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:10:48,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:10:48,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:10:48,200 INFO L87 Difference]: Start difference. First operand 24338 states and 36055 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-09 05:10:50,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:10:55,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:10:55,147 INFO L93 Difference]: Finished difference Result 24340 states and 36056 transitions. [2024-11-09 05:10:55,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:10:55,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 305 [2024-11-09 05:10:55,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:10:55,319 INFO L225 Difference]: With dead ends: 24340 [2024-11-09 05:10:55,319 INFO L226 Difference]: Without dead ends: 24337 [2024-11-09 05:10:55,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:10:55,342 INFO L432 NwaCegarLoop]: 4252 mSDtfsCounter, 4649 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4649 SdHoareTripleChecker+Valid, 4252 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:10:55,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4649 Valid, 4252 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 470 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-09 05:10:55,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24337 states. [2024-11-09 05:10:56,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24337 to 24337. [2024-11-09 05:10:56,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24337 states, 15034 states have (on average 1.3181455367832913) internal successors, (19817), 15658 states have internal predecessors, (19817), 8120 states have call successors, (8120), 1183 states have call predecessors, (8120), 1182 states have return successors, (8116), 7913 states have call predecessors, (8116), 8116 states have call successors, (8116) [2024-11-09 05:10:56,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24337 states to 24337 states and 36053 transitions. [2024-11-09 05:10:57,010 INFO L78 Accepts]: Start accepts. Automaton has 24337 states and 36053 transitions. Word has length 305 [2024-11-09 05:10:57,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:10:57,011 INFO L471 AbstractCegarLoop]: Abstraction has 24337 states and 36053 transitions. [2024-11-09 05:10:57,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-09 05:10:57,012 INFO L276 IsEmpty]: Start isEmpty. Operand 24337 states and 36053 transitions. [2024-11-09 05:10:57,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-09 05:10:57,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:10:57,015 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:10:57,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:10:57,016 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:10:57,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:10:57,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1607501721, now seen corresponding path program 1 times [2024-11-09 05:10:57,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:10:57,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963139390] [2024-11-09 05:10:57,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:10:57,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:11:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:11:04,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2024-11-09 05:11:04,424 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:11:04,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963139390] [2024-11-09 05:11:04,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963139390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:11:04,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:11:04,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:11:04,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867837534] [2024-11-09 05:11:04,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:11:04,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:11:04,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:11:04,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:11:04,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:11:04,429 INFO L87 Difference]: Start difference. First operand 24337 states and 36053 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-09 05:11:06,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:14,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:11:14,628 INFO L93 Difference]: Finished difference Result 34057 states and 49663 transitions. [2024-11-09 05:11:14,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:11:14,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 306 [2024-11-09 05:11:14,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:11:14,842 INFO L225 Difference]: With dead ends: 34057 [2024-11-09 05:11:14,842 INFO L226 Difference]: Without dead ends: 34053 [2024-11-09 05:11:14,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:11:14,865 INFO L432 NwaCegarLoop]: 4255 mSDtfsCounter, 4182 mSDsluCounter, 2125 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4182 SdHoareTripleChecker+Valid, 6380 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:11:14,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4182 Valid, 6380 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 752 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2024-11-09 05:11:14,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34053 states. [2024-11-09 05:11:16,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34053 to 34051. [2024-11-09 05:11:17,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34051 states, 20991 states have (on average 1.3058453622981279) internal successors, (27411), 21816 states have internal predecessors, (27411), 11121 states have call successors, (11121), 1939 states have call predecessors, (11121), 1938 states have return successors, (11119), 10888 states have call predecessors, (11119), 11119 states have call successors, (11119) [2024-11-09 05:11:17,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34051 states to 34051 states and 49651 transitions. [2024-11-09 05:11:17,241 INFO L78 Accepts]: Start accepts. Automaton has 34051 states and 49651 transitions. Word has length 306 [2024-11-09 05:11:17,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:11:17,242 INFO L471 AbstractCegarLoop]: Abstraction has 34051 states and 49651 transitions. [2024-11-09 05:11:17,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-09 05:11:17,243 INFO L276 IsEmpty]: Start isEmpty. Operand 34051 states and 49651 transitions. [2024-11-09 05:11:17,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-09 05:11:17,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:11:17,247 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:11:17,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:11:17,247 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:11:17,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:11:17,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1705197436, now seen corresponding path program 1 times [2024-11-09 05:11:17,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:11:17,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220248084] [2024-11-09 05:11:17,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:11:17,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:11:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:11:23,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2024-11-09 05:11:23,705 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:11:23,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220248084] [2024-11-09 05:11:23,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220248084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:11:23,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:11:23,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:11:23,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951139475] [2024-11-09 05:11:23,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:11:23,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:11:23,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:11:23,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:11:23,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:11:23,708 INFO L87 Difference]: Start difference. First operand 34051 states and 49651 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-09 05:11:25,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:30,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:11:30,948 INFO L93 Difference]: Finished difference Result 34053 states and 49652 transitions. [2024-11-09 05:11:30,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:11:30,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 307 [2024-11-09 05:11:30,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:11:31,167 INFO L225 Difference]: With dead ends: 34053 [2024-11-09 05:11:31,167 INFO L226 Difference]: Without dead ends: 33996 [2024-11-09 05:11:31,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:11:31,195 INFO L432 NwaCegarLoop]: 4247 mSDtfsCounter, 4641 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4641 SdHoareTripleChecker+Valid, 4247 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:11:31,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4641 Valid, 4247 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2024-11-09 05:11:31,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33996 states. [2024-11-09 05:11:32,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33996 to 33996. [2024-11-09 05:11:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33996 states, 20969 states have (on average 1.3054032142686824) internal successors, (27373), 21786 states have internal predecessors, (27373), 11096 states have call successors, (11096), 1931 states have call predecessors, (11096), 1930 states have return successors, (11095), 10871 states have call predecessors, (11095), 11095 states have call successors, (11095) [2024-11-09 05:11:33,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33996 states to 33996 states and 49564 transitions. [2024-11-09 05:11:33,194 INFO L78 Accepts]: Start accepts. Automaton has 33996 states and 49564 transitions. Word has length 307 [2024-11-09 05:11:33,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:11:33,195 INFO L471 AbstractCegarLoop]: Abstraction has 33996 states and 49564 transitions. [2024-11-09 05:11:33,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-09 05:11:33,196 INFO L276 IsEmpty]: Start isEmpty. Operand 33996 states and 49564 transitions. [2024-11-09 05:11:33,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2024-11-09 05:11:33,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:11:33,226 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 18, 18, 18, 18, 18, 18, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:11:33,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 05:11:33,226 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:11:33,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:11:33,227 INFO L85 PathProgramCache]: Analyzing trace with hash 772701362, now seen corresponding path program 1 times [2024-11-09 05:11:33,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:11:33,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234473910] [2024-11-09 05:11:33,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:11:33,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:11:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:11:39,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3174 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3171 trivial. 0 not checked. [2024-11-09 05:11:39,158 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:11:39,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234473910] [2024-11-09 05:11:39,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234473910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:11:39,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:11:39,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:11:39,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352567714] [2024-11-09 05:11:39,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:11:39,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:11:39,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:11:39,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:11:39,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:11:39,161 INFO L87 Difference]: Start difference. First operand 33996 states and 49564 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-09 05:11:41,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:43,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:45,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:58,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:11:58,964 INFO L93 Difference]: Finished difference Result 67955 states and 99071 transitions. [2024-11-09 05:11:58,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:11:58,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 457 [2024-11-09 05:11:58,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:11:59,209 INFO L225 Difference]: With dead ends: 67955 [2024-11-09 05:11:59,210 INFO L226 Difference]: Without dead ends: 33996 [2024-11-09 05:11:59,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:11:59,384 INFO L432 NwaCegarLoop]: 4232 mSDtfsCounter, 1 mSDsluCounter, 8458 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 12690 SdHoareTripleChecker+Invalid, 1416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:11:59,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 12690 Invalid, 1416 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1412 Invalid, 3 Unknown, 0 Unchecked, 18.2s Time] [2024-11-09 05:11:59,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33996 states. [2024-11-09 05:12:01,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33996 to 33996. [2024-11-09 05:12:01,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33996 states, 20969 states have (on average 1.305021698698078) internal successors, (27365), 21786 states have internal predecessors, (27365), 11096 states have call successors, (11096), 1931 states have call predecessors, (11096), 1930 states have return successors, (11095), 10871 states have call predecessors, (11095), 11095 states have call successors, (11095) [2024-11-09 05:12:01,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33996 states to 33996 states and 49556 transitions. [2024-11-09 05:12:01,611 INFO L78 Accepts]: Start accepts. Automaton has 33996 states and 49556 transitions. Word has length 457 [2024-11-09 05:12:01,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:12:01,612 INFO L471 AbstractCegarLoop]: Abstraction has 33996 states and 49556 transitions. [2024-11-09 05:12:01,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-09 05:12:01,612 INFO L276 IsEmpty]: Start isEmpty. Operand 33996 states and 49556 transitions. [2024-11-09 05:12:01,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-11-09 05:12:01,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:01,642 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 18, 18, 18, 18, 18, 18, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:12:01,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 05:12:01,642 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:12:01,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:01,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1874241495, now seen corresponding path program 1 times [2024-11-09 05:12:01,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:01,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602301002] [2024-11-09 05:12:01,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:01,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:08,072 INFO L134 CoverageAnalysis]: Checked inductivity of 3175 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3173 trivial. 0 not checked. [2024-11-09 05:12:08,072 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:08,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602301002] [2024-11-09 05:12:08,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602301002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:12:08,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:12:08,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:12:08,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554927872] [2024-11-09 05:12:08,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:12:08,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:12:08,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:12:08,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:12:08,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:12:08,075 INFO L87 Difference]: Start difference. First operand 33996 states and 49556 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2024-11-09 05:12:10,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:12:12,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:12:26,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:12:26,454 INFO L93 Difference]: Finished difference Result 84048 states and 122554 transitions. [2024-11-09 05:12:26,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:12:26,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 492 [2024-11-09 05:12:26,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:12:26,651 INFO L225 Difference]: With dead ends: 84048 [2024-11-09 05:12:26,651 INFO L226 Difference]: Without dead ends: 50113 [2024-11-09 05:12:26,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:12:26,752 INFO L432 NwaCegarLoop]: 7843 mSDtfsCounter, 4586 mSDsluCounter, 4212 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4586 SdHoareTripleChecker+Valid, 12055 SdHoareTripleChecker+Invalid, 1369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:12:26,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4586 Valid, 12055 Invalid, 1369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1361 Invalid, 2 Unknown, 0 Unchecked, 16.2s Time] [2024-11-09 05:12:26,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50113 states. [2024-11-09 05:12:29,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50113 to 50109. [2024-11-09 05:12:29,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50109 states, 30925 states have (on average 1.3053839935327405) internal successors, (40369), 32130 states have internal predecessors, (40369), 16348 states have call successors, (16348), 2836 states have call predecessors, (16348), 2835 states have return successors, (16347), 16016 states have call predecessors, (16347), 16347 states have call successors, (16347) [2024-11-09 05:12:29,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50109 states to 50109 states and 73064 transitions. [2024-11-09 05:12:29,574 INFO L78 Accepts]: Start accepts. Automaton has 50109 states and 73064 transitions. Word has length 492 [2024-11-09 05:12:29,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:12:29,575 INFO L471 AbstractCegarLoop]: Abstraction has 50109 states and 73064 transitions. [2024-11-09 05:12:29,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2024-11-09 05:12:29,576 INFO L276 IsEmpty]: Start isEmpty. Operand 50109 states and 73064 transitions. [2024-11-09 05:12:29,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2024-11-09 05:12:29,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:12:29,600 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 18, 18, 18, 18, 18, 18, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:12:29,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 05:12:29,600 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:12:29,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:12:29,601 INFO L85 PathProgramCache]: Analyzing trace with hash -191310752, now seen corresponding path program 1 times [2024-11-09 05:12:29,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:12:29,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471954871] [2024-11-09 05:12:29,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:12:29,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:12:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:12:36,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3176 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3173 trivial. 0 not checked. [2024-11-09 05:12:36,283 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:12:36,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471954871] [2024-11-09 05:12:36,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471954871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:12:36,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:12:36,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:12:36,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063004952] [2024-11-09 05:12:36,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:12:36,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:12:36,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:12:36,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:12:36,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:12:36,287 INFO L87 Difference]: Start difference. First operand 50109 states and 73064 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2024-11-09 05:12:38,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:12:40,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:12:56,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:12:56,292 INFO L93 Difference]: Finished difference Result 123474 states and 180109 transitions. [2024-11-09 05:12:56,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:12:56,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 493 [2024-11-09 05:12:56,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:12:56,767 INFO L225 Difference]: With dead ends: 123474 [2024-11-09 05:12:56,767 INFO L226 Difference]: Without dead ends: 73426 [2024-11-09 05:12:56,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:12:56,900 INFO L432 NwaCegarLoop]: 7878 mSDtfsCounter, 4581 mSDsluCounter, 4207 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4581 SdHoareTripleChecker+Valid, 12085 SdHoareTripleChecker+Invalid, 1368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:12:56,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4581 Valid, 12085 Invalid, 1368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1360 Invalid, 2 Unknown, 0 Unchecked, 16.6s Time] [2024-11-09 05:12:56,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73426 states. [2024-11-09 05:13:01,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73426 to 73420. [2024-11-09 05:13:01,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73420 states, 45339 states have (on average 1.305851474448047) internal successors, (59206), 47105 states have internal predecessors, (59206), 23947 states have call successors, (23947), 4134 states have call predecessors, (23947), 4133 states have return successors, (23946), 23460 states have call predecessors, (23946), 23946 states have call successors, (23946) [2024-11-09 05:13:01,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73420 states to 73420 states and 107099 transitions. [2024-11-09 05:13:01,845 INFO L78 Accepts]: Start accepts. Automaton has 73420 states and 107099 transitions. Word has length 493 [2024-11-09 05:13:01,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:01,846 INFO L471 AbstractCegarLoop]: Abstraction has 73420 states and 107099 transitions. [2024-11-09 05:13:01,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2024-11-09 05:13:01,846 INFO L276 IsEmpty]: Start isEmpty. Operand 73420 states and 107099 transitions. [2024-11-09 05:13:01,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2024-11-09 05:13:01,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:01,872 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 18, 18, 18, 18, 18, 18, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:13:01,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 05:13:01,873 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:13:01,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:01,873 INFO L85 PathProgramCache]: Analyzing trace with hash -366973697, now seen corresponding path program 1 times [2024-11-09 05:13:01,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:01,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73205711] [2024-11-09 05:13:01,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:01,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms