./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-char-ipmi-ipmi_watchdog.ko.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_7ec9db2b-5acc-4fe4-9cd8-443cbf8b3af2/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec9db2b-5acc-4fe4-9cd8-443cbf8b3af2/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_7ec9db2b-5acc-4fe4-9cd8-443cbf8b3af2/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec9db2b-5acc-4fe4-9cd8-443cbf8b3af2/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-char-ipmi-ipmi_watchdog.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec9db2b-5acc-4fe4-9cd8-443cbf8b3af2/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_7ec9db2b-5acc-4fe4-9cd8-443cbf8b3af2/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 0cee515da65bb32c260caffbe177f40eed5b883caa1077c34aa057048e13ac4b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:13:36,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:13:36,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec9db2b-5acc-4fe4-9cd8-443cbf8b3af2/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 07:13:36,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:13:36,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:13:36,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:13:36,692 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:13:36,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:13:36,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:13:36,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:13:36,696 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:13:36,697 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:13:36,697 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:13:36,698 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:13:36,701 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:13:36,702 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:13:36,702 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:13:36,703 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:13:36,703 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:13:36,703 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:13:36,704 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:13:36,704 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:13:36,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:13:36,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:13:36,706 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:13:36,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:13:36,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:13:36,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:13:36,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:13:36,707 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:13:36,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:13:36,710 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:13:36,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:13:36,711 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:13:36,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:13:36,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:13:36,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:13:36,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:13:36,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:13:36,713 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:13:36,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:13:36,713 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:13:36,714 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:13:36,714 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:13:36,715 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_7ec9db2b-5acc-4fe4-9cd8-443cbf8b3af2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec9db2b-5acc-4fe4-9cd8-443cbf8b3af2/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cee515da65bb32c260caffbe177f40eed5b883caa1077c34aa057048e13ac4b [2024-11-09 07:13:37,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:13:37,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:13:37,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:13:37,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:13:37,054 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:13:37,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec9db2b-5acc-4fe4-9cd8-443cbf8b3af2/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-char-ipmi-ipmi_watchdog.ko.cil.out.i Unable to find full path for "g++" [2024-11-09 07:13:39,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:13:39,610 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:13:39,612 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec9db2b-5acc-4fe4-9cd8-443cbf8b3af2/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-char-ipmi-ipmi_watchdog.ko.cil.out.i [2024-11-09 07:13:39,657 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec9db2b-5acc-4fe4-9cd8-443cbf8b3af2/bin/utaipan-verify-YMUCfTKeje/data/3f7df3b7b/4ffba4056e804c2eb54ddca1e89bf792/FLAG601cc9edf [2024-11-09 07:13:39,683 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec9db2b-5acc-4fe4-9cd8-443cbf8b3af2/bin/utaipan-verify-YMUCfTKeje/data/3f7df3b7b/4ffba4056e804c2eb54ddca1e89bf792 [2024-11-09 07:13:39,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:13:39,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:13:39,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:13:39,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:13:39,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:13:39,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:13:39" (1/1) ... [2024-11-09 07:13:39,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2331c7c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:13:39, skipping insertion in model container [2024-11-09 07:13:39,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:13:39" (1/1) ... [2024-11-09 07:13:39,835 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:13:41,059 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_7ec9db2b-5acc-4fe4-9cd8-443cbf8b3af2/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-char-ipmi-ipmi_watchdog.ko.cil.out.i[303043,303056] [2024-11-09 07:13:41,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:13:41,331 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:13:41,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [2927] [2024-11-09 07:13:41,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2934-2935] [2024-11-09 07:13:41,423 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)); [2942-2943] [2024-11-09 07:13:41,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [2963] [2024-11-09 07:13:41,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2965] [2024-11-09 07:13:41,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2967] [2024-11-09 07:13:41,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2970] [2024-11-09 07:13:41,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; addl %1,%0": "+m" (v->counter): "ir" (i)); [3014] [2024-11-09 07:13:41,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0": "+m" (v->counter)); [3021] [2024-11-09 07:13:41,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [3028-3029] [2024-11-09 07:13:41,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; incl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [3036-3037] [2024-11-09 07:13:41,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu), "=d" (__val_gu): "0" (buf + i)); [5769] [2024-11-09 07:13:41,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu), "=d" (__val_gu): "0" (buf + i)); [5771] [2024-11-09 07:13:41,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu), "=d" (__val_gu): "0" (buf + i)); [5773] [2024-11-09 07:13:41,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu), "=d" (__val_gu): "0" (buf + i)); [5775] [2024-11-09 07:13:41,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu), "=d" (__val_gu): "0" (buf + i)); [5778] [2024-11-09 07:13:41,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [5862] [2024-11-09 07:13:41,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [5868] [2024-11-09 07:13:41,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [5874] [2024-11-09 07:13:41,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [5881] [2024-11-09 07:13:41,677 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_7ec9db2b-5acc-4fe4-9cd8-443cbf8b3af2/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-char-ipmi-ipmi_watchdog.ko.cil.out.i[303043,303056] [2024-11-09 07:13:41,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:13:41,950 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:13:41,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:13:41 WrapperNode [2024-11-09 07:13:41,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:13:41,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:13:41,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:13:41,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:13:41,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:13:41" (1/1) ... [2024-11-09 07:13:42,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:13:41" (1/1) ... [2024-11-09 07:13:42,348 INFO L138 Inliner]: procedures = 148, calls = 4270, calls flagged for inlining = 68, calls inlined = 66, statements flattened = 5611 [2024-11-09 07:13:42,349 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:13:42,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:13:42,350 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:13:42,350 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:13:42,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:13:41" (1/1) ... [2024-11-09 07:13:42,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:13:41" (1/1) ... [2024-11-09 07:13:42,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:13:41" (1/1) ... [2024-11-09 07:13:42,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:13:41" (1/1) ... [2024-11-09 07:13:42,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:13:41" (1/1) ... [2024-11-09 07:13:42,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:13:41" (1/1) ... [2024-11-09 07:13:42,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:13:41" (1/1) ... [2024-11-09 07:13:42,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:13:41" (1/1) ... [2024-11-09 07:13:42,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:13:42,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:13:42,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:13:42,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:13:42,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:13:41" (1/1) ... [2024-11-09 07:13:42,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:13:42,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec9db2b-5acc-4fe4-9cd8-443cbf8b3af2/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:13:42,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec9db2b-5acc-4fe4-9cd8-443cbf8b3af2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:13:42,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec9db2b-5acc-4fe4-9cd8-443cbf8b3af2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:13:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-09 07:13:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-09 07:13:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-09 07:13:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-09 07:13:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 07:13:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 07:13:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure check_parms [2024-11-09 07:13:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure check_parms [2024-11-09 07:13:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:13:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_request_supply_msgs [2024-11-09 07:13:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_request_supply_msgs [2024-11-09 07:13:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure preaction_op [2024-11-09 07:13:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure preaction_op [2024-11-09 07:13:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2024-11-09 07:13:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2024-11-09 07:13:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-09 07:13:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-09 07:13:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure panic [2024-11-09 07:13:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure panic [2024-11-09 07:13:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_heartbeat [2024-11-09 07:13:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_heartbeat [2024-11-09 07:13:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_open [2024-11-09 07:13:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_open [2024-11-09 07:13:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2024-11-09 07:13:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2024-11-09 07:13:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure panic_smi_free [2024-11-09 07:13:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure panic_smi_free [2024-11-09 07:13:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_watchdog [2024-11-09 07:13:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_watchdog [2024-11-09 07:13:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_die_notifier [2024-11-09 07:13:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_die_notifier [2024-11-09 07:13:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:13:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 07:13:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 07:13:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-09 07:13:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-09 07:13:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure action_op [2024-11-09 07:13:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure action_op [2024-11-09 07:13:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-09 07:13:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-09 07:13:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure panic_recv_free [2024-11-09 07:13:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure panic_recv_free [2024-11-09 07:13:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-09 07:13:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-09 07:13:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 07:13:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-11-09 07:13:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-11-09 07:13:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-09 07:13:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-09 07:13:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:13:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure preop_op [2024-11-09 07:13:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure preop_op [2024-11-09 07:13:42,752 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2024-11-09 07:13:42,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2024-11-09 07:13:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-11-09 07:13:42,798 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-11-09 07:13:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:13:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 07:13:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_close [2024-11-09 07:13:42,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_close [2024-11-09 07:13:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_set_timeout [2024-11-09 07:13:42,799 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_set_timeout [2024-11-09 07:13:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 07:13:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-09 07:13:42,799 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-09 07:13:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-11-09 07:13:42,799 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-11-09 07:13:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_set_timeout [2024-11-09 07:13:42,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_set_timeout [2024-11-09 07:13:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll_interface [2024-11-09 07:13:42,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll_interface [2024-11-09 07:13:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2024-11-09 07:13:42,800 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2024-11-09 07:13:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_register_watchdog [2024-11-09 07:13:42,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_register_watchdog [2024-11-09 07:13:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-11-09 07:13:42,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-11-09 07:13:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:13:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2024-11-09 07:13:42,800 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2024-11-09 07:13:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 07:13:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-09 07:13:42,801 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-09 07:13:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 07:13:42,801 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 07:13:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_notifier_chain_unregister [2024-11-09 07:13:42,801 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_notifier_chain_unregister [2024-11-09 07:13:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-09 07:13:42,801 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-09 07:13:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 07:13:42,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 07:13:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure panic_halt_ipmi_set_timeout [2024-11-09 07:13:42,807 INFO L138 BoogieDeclarations]: Found implementation of procedure panic_halt_ipmi_set_timeout [2024-11-09 07:13:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc_and_test [2024-11-09 07:13:42,807 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc_and_test [2024-11-09 07:13:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-09 07:13:42,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-09 07:13:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-09 07:13:42,808 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-09 07:13:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:13:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-09 07:13:42,808 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-09 07:13:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:13:42,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:13:43,343 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:13:43,347 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:13:44,323 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2024-11-09 07:13:44,323 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2024-11-09 07:13:44,635 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 07:13:44,661 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2024-11-09 07:13:44,661 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2024-11-09 07:13:45,009 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 07:13:45,018 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 07:13:45,021 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-09 07:16:24,631 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint L5860-1: ipmi_read_~tmp___0~5#1.base, ipmi_read_~tmp___0~5#1.offset := ipmi_read_#t~ret199#1.base, ipmi_read_#t~ret199#1.offset;havoc ipmi_read_#t~ret199#1.base, ipmi_read_#t~ret199#1.offset;ipmi_read_~__ptr~0#1.base, ipmi_read_~__ptr~0#1.offset := ipmi_read_~tmp___0~5#1.base, ipmi_read_~tmp___0~5#1.offset; [2024-11-09 07:16:24,632 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint L5860: SUMMARY for call ipmi_read_#t~ret199#1.base, ipmi_read_#t~ret199#1.offset := get_current(); srcloc: null [2024-11-09 07:16:24,632 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume !false; [2024-11-09 07:16:24,632 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume false; [2024-11-09 07:16:24,632 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##189: assume false; [2024-11-09 07:16:24,632 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##190: assume !false;call ULTIMATE.dealloc(ipmi_ioctl_~#val~0#1.base, ipmi_ioctl_~#val~0#1.offset);havoc ipmi_ioctl_~#val~0#1.base, ipmi_ioctl_~#val~0#1.offset; [2024-11-09 07:16:24,633 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume !false; [2024-11-09 07:16:24,633 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume false; [2024-11-09 07:16:24,633 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume !false; [2024-11-09 07:16:24,633 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##125: assume false; [2024-11-09 07:16:25,044 INFO L? ?]: Removed 858 outVars from TransFormulas that were not future-live. [2024-11-09 07:16:25,044 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:16:35,048 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:16:35,048 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 07:16:35,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:16:35 BoogieIcfgContainer [2024-11-09 07:16:35,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:16:35,055 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:16:35,058 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:16:35,061 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:16:35,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:13:39" (1/3) ... [2024-11-09 07:16:35,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cbc1b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:16:35, skipping insertion in model container [2024-11-09 07:16:35,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:13:41" (2/3) ... [2024-11-09 07:16:35,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cbc1b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:16:35, skipping insertion in model container [2024-11-09 07:16:35,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:16:35" (3/3) ... [2024-11-09 07:16:35,065 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-char-ipmi-ipmi_watchdog.ko.cil.out.i [2024-11-09 07:16:35,084 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:16:35,085 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:16:35,189 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:16:35,196 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;@55064087, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:16:35,196 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:16:35,208 INFO L276 IsEmpty]: Start isEmpty. Operand has 580 states, 384 states have (on average 1.4348958333333333) internal successors, (551), 401 states have internal predecessors, (551), 150 states have call successors, (150), 45 states have call predecessors, (150), 45 states have return successors, (150), 145 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-09 07:16:35,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 07:16:35,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:16:35,225 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:16:35,226 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:16:35,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:16:35,234 INFO L85 PathProgramCache]: Analyzing trace with hash -539807410, now seen corresponding path program 1 times [2024-11-09 07:16:35,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:16:35,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300848696] [2024-11-09 07:16:35,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:16:35,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms