./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--pcmcia--pcmcia.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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676fc099-f9e8-4291-8f20-5d17c8a7eec4/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676fc099-f9e8-4291-8f20-5d17c8a7eec4/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_676fc099-f9e8-4291-8f20-5d17c8a7eec4/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676fc099-f9e8-4291-8f20-5d17c8a7eec4/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--pcmcia--pcmcia.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676fc099-f9e8-4291-8f20-5d17c8a7eec4/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_676fc099-f9e8-4291-8f20-5d17c8a7eec4/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 3cd14e73999ca7f9f717299a5c859c696d495d24eef6fe0d0424fd24e658231f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:10:46,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:10:46,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676fc099-f9e8-4291-8f20-5d17c8a7eec4/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 07:10:46,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:10:46,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:10:46,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:10:46,668 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:10:46,668 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:10:46,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:10:46,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:10:46,671 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:10:46,672 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:10:46,672 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:10:46,673 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:10:46,673 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:10:46,673 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:10:46,674 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:10:46,674 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:10:46,674 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:10:46,675 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:10:46,680 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:10:46,681 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:10:46,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:10:46,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:10:46,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:10:46,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:10:46,682 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:10:46,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:10:46,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:10:46,684 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:10:46,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:10:46,685 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:10:46,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:10:46,686 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:10:46,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:10:46,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:10:46,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:10:46,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:10:46,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:10:46,688 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:10:46,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:10:46,688 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:10:46,688 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:10:46,689 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:10:46,689 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_676fc099-f9e8-4291-8f20-5d17c8a7eec4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676fc099-f9e8-4291-8f20-5d17c8a7eec4/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cd14e73999ca7f9f717299a5c859c696d495d24eef6fe0d0424fd24e658231f [2024-11-09 07:10:46,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:10:47,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:10:47,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:10:47,029 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:10:47,029 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:10:47,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676fc099-f9e8-4291-8f20-5d17c8a7eec4/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-09 07:10:48,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:10:49,723 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:10:49,723 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676fc099-f9e8-4291-8f20-5d17c8a7eec4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2024-11-09 07:10:49,773 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676fc099-f9e8-4291-8f20-5d17c8a7eec4/bin/utaipan-verify-YMUCfTKeje/data/da26edf3b/d8453d3debe44e1ab4be053ee3c05a98/FLAG70c625807 [2024-11-09 07:10:49,787 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676fc099-f9e8-4291-8f20-5d17c8a7eec4/bin/utaipan-verify-YMUCfTKeje/data/da26edf3b/d8453d3debe44e1ab4be053ee3c05a98 [2024-11-09 07:10:49,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:10:49,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:10:49,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:10:49,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:10:49,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:10:49,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:10:49" (1/1) ... [2024-11-09 07:10:49,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b600c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:49, skipping insertion in model container [2024-11-09 07:10:49,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:10:49" (1/1) ... [2024-11-09 07:10:50,001 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:10:53,858 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_676fc099-f9e8-4291-8f20-5d17c8a7eec4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i[443384,443397] [2024-11-09 07:10:54,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:10:54,356 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:10:54,517 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; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [6001-6002] [2024-11-09 07:10:54,519 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [6013-6014] [2024-11-09 07:10:54,520 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [6017-6018] [2024-11-09 07:10:54,520 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [6021-6022] [2024-11-09 07:10:54,521 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [6025-6026] [2024-11-09 07:10:54,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [11783] [2024-11-09 07:10:54,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [11790] [2024-11-09 07:10:55,019 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_676fc099-f9e8-4291-8f20-5d17c8a7eec4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i[443384,443397] [2024-11-09 07:10:55,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:10:55,261 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:10:55,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:55 WrapperNode [2024-11-09 07:10:55,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:10:55,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:10:55,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:10:55,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:10:55,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:55" (1/1) ... [2024-11-09 07:10:55,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:55" (1/1) ... [2024-11-09 07:10:55,822 INFO L138 Inliner]: procedures = 471, calls = 5867, calls flagged for inlining = 203, calls inlined = 182, statements flattened = 11977 [2024-11-09 07:10:55,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:10:55,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:10:55,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:10:55,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:10:55,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:55" (1/1) ... [2024-11-09 07:10:55,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:55" (1/1) ... [2024-11-09 07:10:55,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:55" (1/1) ... [2024-11-09 07:10:55,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:55" (1/1) ... [2024-11-09 07:10:56,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:55" (1/1) ... [2024-11-09 07:10:56,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:55" (1/1) ... [2024-11-09 07:10:56,499 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:55" (1/1) ... [2024-11-09 07:10:56,529 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:55" (1/1) ... [2024-11-09 07:10:56,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:10:56,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:10:56,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:10:56,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:10:56,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:55" (1/1) ... [2024-11-09 07:10:56,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:10:56,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676fc099-f9e8-4291-8f20-5d17c8a7eec4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:10:56,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676fc099-f9e8-4291-8f20-5d17c8a7eec4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:10:56,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_676fc099-f9e8-4291-8f20-5d17c8a7eec4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:10:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-09 07:10:56,760 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-09 07:10:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_do_loop_tuple [2024-11-09 07:10:56,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_do_loop_tuple [2024-11-09 07:10:56,760 INFO L130 BoogieDeclarations]: Found specification of procedure prod_id2_show [2024-11-09 07:10:56,761 INFO L138 BoogieDeclarations]: Found implementation of procedure prod_id2_show [2024-11-09 07:10:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 07:10:56,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 07:10:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_cis_cache [2024-11-09 07:10:56,761 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_cis_cache [2024-11-09 07:10:56,761 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_probe [2024-11-09 07:10:56,762 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_probe [2024-11-09 07:10:56,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 07:10:56,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 07:10:56,762 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2024-11-09 07:10:56,763 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2024-11-09 07:10:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-09 07:10:56,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-09 07:10:56,764 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_load_firmware [2024-11-09 07:10:56,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_load_firmware [2024-11-09 07:10:56,764 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_next_tuple [2024-11-09 07:10:56,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_next_tuple [2024-11-09 07:10:56,765 INFO L130 BoogieDeclarations]: Found specification of procedure read_cis_cache [2024-11-09 07:10:56,765 INFO L138 BoogieDeclarations]: Found implementation of procedure read_cis_cache [2024-11-09 07:10:56,765 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-11-09 07:10:56,765 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-11-09 07:10:56,765 INFO L130 BoogieDeclarations]: Found specification of procedure add_uevent_var [2024-11-09 07:10:56,766 INFO L138 BoogieDeclarations]: Found implementation of procedure add_uevent_var [2024-11-09 07:10:56,766 INFO L130 BoogieDeclarations]: Found specification of procedure remove_cis_cache [2024-11-09 07:10:56,766 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_cis_cache [2024-11-09 07:10:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:10:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-09 07:10:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-09 07:10:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_requery_callback [2024-11-09 07:10:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_requery_callback [2024-11-09 07:10:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-09 07:10:56,768 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-09 07:10:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-09 07:10:56,768 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-09 07:10:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_validate_mem [2024-11-09 07:10:56,768 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_validate_mem [2024-11-09 07:10:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure release_io_space [2024-11-09 07:10:56,768 INFO L138 BoogieDeclarations]: Found implementation of procedure release_io_space [2024-11-09 07:10:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_early_resume [2024-11-09 07:10:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_early_resume [2024-11-09 07:10:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure follow_link [2024-11-09 07:10:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_link [2024-11-09 07:10:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 07:10:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-09 07:10:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-09 07:10:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure prod_id1_show [2024-11-09 07:10:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure prod_id1_show [2024-11-09 07:10:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 07:10:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-09 07:10:56,770 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-09 07:10:56,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:10:56,771 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_read_cis_mem [2024-11-09 07:10:56,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_read_cis_mem [2024-11-09 07:10:56,771 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_card_add [2024-11-09 07:10:56,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_card_add [2024-11-09 07:10:56,772 INFO L130 BoogieDeclarations]: Found specification of procedure prod_id3_show [2024-11-09 07:10:56,772 INFO L138 BoogieDeclarations]: Found implementation of procedure prod_id3_show [2024-11-09 07:10:56,772 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_query [2024-11-09 07:10:56,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_query [2024-11-09 07:10:56,772 INFO L130 BoogieDeclarations]: Found specification of procedure parse_strings [2024-11-09 07:10:56,772 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_strings [2024-11-09 07:10:56,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 07:10:56,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 07:10:56,772 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_resume_callback [2024-11-09 07:10:56,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_resume_callback [2024-11-09 07:10:56,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_skt_mutex_of_pcmcia_socket [2024-11-09 07:10:56,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_skt_mutex_of_pcmcia_socket [2024-11-09 07:10:56,773 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_put_socket [2024-11-09 07:10:56,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_put_socket [2024-11-09 07:10:56,773 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-09 07:10:56,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-09 07:10:56,773 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_enable_device [2024-11-09 07:10:56,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_enable_device [2024-11-09 07:10:56,773 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_setup_isa_irq [2024-11-09 07:10:56,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_setup_isa_irq [2024-11-09 07:10:56,774 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-09 07:10:56,774 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-09 07:10:56,774 INFO L130 BoogieDeclarations]: Found specification of procedure function_show [2024-11-09 07:10:56,774 INFO L138 BoogieDeclarations]: Found implementation of procedure function_show [2024-11-09 07:10:56,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-09 07:10:56,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-09 07:10:56,774 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_first_tuple [2024-11-09 07:10:56,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_first_tuple [2024-11-09 07:10:56,774 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2024-11-09 07:10:56,775 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2024-11-09 07:10:56,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 07:10:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-09 07:10:56,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-09 07:10:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_dev [2024-11-09 07:10:56,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_dev [2024-11-09 07:10:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_do_loop_config [2024-11-09 07:10:56,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_do_loop_config [2024-11-09 07:10:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:10:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_card_remove [2024-11-09 07:10:56,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_card_remove [2024-11-09 07:10:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_add_socket [2024-11-09 07:10:56,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_add_socket [2024-11-09 07:10:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-09 07:10:56,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-09 07:10:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 07:10:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 07:10:56,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 07:10:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2024-11-09 07:10:56,780 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2024-11-09 07:10:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-09 07:10:56,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-09 07:10:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-09 07:10:56,781 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-09 07:10:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_fixup_iowidth [2024-11-09 07:10:56,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_fixup_iowidth [2024-11-09 07:10:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_221 [2024-11-09 07:10:56,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_221 [2024-11-09 07:10:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-09 07:10:56,782 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-09 07:10:56,782 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-11-09 07:10:56,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-11-09 07:10:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-09 07:10:56,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-09 07:10:56,783 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-11-09 07:10:56,784 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-11-09 07:10:56,784 INFO L130 BoogieDeclarations]: Found specification of procedure set_cis_map [2024-11-09 07:10:56,784 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cis_map [2024-11-09 07:10:56,784 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_remove [2024-11-09 07:10:56,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_remove [2024-11-09 07:10:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:10:56,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:10:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2024-11-09 07:10:56,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2024-11-09 07:10:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2024-11-09 07:10:56,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2024-11-09 07:10:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-09 07:10:56,786 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-09 07:10:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure modalias_show [2024-11-09 07:10:56,786 INFO L138 BoogieDeclarations]: Found implementation of procedure modalias_show [2024-11-09 07:10:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_put_dev [2024-11-09 07:10:56,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_put_dev [2024-11-09 07:10:56,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 07:10:56,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 07:10:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 07:10:56,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 07:10:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2024-11-09 07:10:56,789 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2024-11-09 07:10:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_parse_uevents [2024-11-09 07:10:56,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_parse_uevents [2024-11-09 07:10:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure pm_state_show [2024-11-09 07:10:56,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_state_show [2024-11-09 07:10:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_devmatch [2024-11-09 07:10:56,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_devmatch [2024-11-09 07:10:56,789 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 07:10:56,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 07:10:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_get_mac_from_cis [2024-11-09 07:10:56,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_get_mac_from_cis [2024-11-09 07:10:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 07:10:56,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 07:10:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 07:10:56,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 07:10:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:10:56,790 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:10:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_add [2024-11-09 07:10:56,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_add [2024-11-09 07:10:56,790 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-09 07:10:56,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-09 07:10:56,791 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2024-11-09 07:10:56,791 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2024-11-09 07:10:56,791 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_io_space [2024-11-09 07:10:56,791 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_io_space [2024-11-09 07:10:56,791 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_tuple_data [2024-11-09 07:10:56,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_tuple_data [2024-11-09 07:10:56,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:10:56,791 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_irq [2024-11-09 07:10:56,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_irq [2024-11-09 07:10:56,791 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_parse_tuple [2024-11-09 07:10:56,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_parse_tuple [2024-11-09 07:10:56,792 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-09 07:10:56,792 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-09 07:10:56,794 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2024-11-09 07:10:56,794 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2024-11-09 07:10:56,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 07:10:56,794 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2024-11-09 07:10:56,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2024-11-09 07:10:56,794 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2024-11-09 07:10:56,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2024-11-09 07:10:56,795 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_disable_device [2024-11-09 07:10:56,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_disable_device [2024-11-09 07:10:56,795 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2024-11-09 07:10:56,795 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2024-11-09 07:10:56,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_skt_mutex_of_pcmcia_socket [2024-11-09 07:10:56,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_skt_mutex_of_pcmcia_socket [2024-11-09 07:10:56,795 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2024-11-09 07:10:56,796 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2024-11-09 07:10:56,796 INFO L130 BoogieDeclarations]: Found specification of procedure bus_for_each_dev [2024-11-09 07:10:56,796 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_for_each_dev [2024-11-09 07:10:56,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 07:10:56,796 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2024-11-09 07:10:56,796 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2024-11-09 07:10:56,796 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 07:10:56,796 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 07:10:56,797 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2024-11-09 07:10:56,797 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2024-11-09 07:10:56,797 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_configuration [2024-11-09 07:10:56,797 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_configuration [2024-11-09 07:10:56,797 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 07:10:56,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 07:10:56,797 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-09 07:10:56,797 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-09 07:10:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_suspend [2024-11-09 07:10:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_suspend [2024-11-09 07:10:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_window [2024-11-09 07:10:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_window [2024-11-09 07:10:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_find_mem_region [2024-11-09 07:10:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_find_mem_region [2024-11-09 07:10:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_add [2024-11-09 07:10:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_add [2024-11-09 07:10:56,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2024-11-09 07:10:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2024-11-09 07:10:56,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_pcmcia_dynids [2024-11-09 07:10:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_pcmcia_dynids [2024-11-09 07:10:56,800 INFO L130 BoogieDeclarations]: Found specification of procedure runtime_resume [2024-11-09 07:10:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure runtime_resume [2024-11-09 07:10:56,801 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2024-11-09 07:10:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2024-11-09 07:10:56,801 INFO L130 BoogieDeclarations]: Found specification of procedure verify_cis_cache [2024-11-09 07:10:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_cis_cache [2024-11-09 07:10:56,801 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2024-11-09 07:10:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2024-11-09 07:10:56,801 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_resume [2024-11-09 07:10:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_resume [2024-11-09 07:10:56,801 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_validate_cis [2024-11-09 07:10:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_validate_cis [2024-11-09 07:10:56,802 INFO L130 BoogieDeclarations]: Found specification of procedure func_id_show [2024-11-09 07:10:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure func_id_show [2024-11-09 07:10:56,802 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 07:10:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 07:10:56,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:10:56,802 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-09 07:10:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-09 07:10:56,803 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_loop_tuple [2024-11-09 07:10:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_loop_tuple [2024-11-09 07:10:56,803 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2024-11-09 07:10:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2024-11-09 07:10:56,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 07:10:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 07:10:56,803 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_requery [2024-11-09 07:10:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_requery [2024-11-09 07:10:56,803 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_suspend_callback [2024-11-09 07:10:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_suspend_callback [2024-11-09 07:10:56,803 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_match [2024-11-09 07:10:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_match [2024-11-09 07:10:56,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-09 07:10:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-09 07:10:56,804 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_suspend [2024-11-09 07:10:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_suspend [2024-11-09 07:10:56,804 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_uevent [2024-11-09 07:10:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_uevent [2024-11-09 07:10:56,804 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_register_pcmcia [2024-11-09 07:10:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_register_pcmcia [2024-11-09 07:10:56,804 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_replace_cis [2024-11-09 07:10:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_replace_cis [2024-11-09 07:10:56,804 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_remove [2024-11-09 07:10:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_remove [2024-11-09 07:10:56,805 INFO L130 BoogieDeclarations]: Found specification of procedure manf_id_show [2024-11-09 07:10:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure manf_id_show [2024-11-09 07:10:56,805 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2024-11-09 07:10:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2024-11-09 07:10:56,805 INFO L130 BoogieDeclarations]: Found specification of procedure parse_power [2024-11-09 07:10:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_power [2024-11-09 07:10:56,805 INFO L130 BoogieDeclarations]: Found specification of procedure card_id_show [2024-11-09 07:10:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure card_id_show [2024-11-09 07:10:56,805 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_get_socket [2024-11-09 07:10:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_get_socket [2024-11-09 07:10:56,805 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_write_cis_mem [2024-11-09 07:10:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_write_cis_mem [2024-11-09 07:10:56,805 INFO L130 BoogieDeclarations]: Found specification of procedure runtime_suspend [2024-11-09 07:10:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure runtime_suspend [2024-11-09 07:10:56,806 INFO L130 BoogieDeclarations]: Found specification of procedure prod_id4_show [2024-11-09 07:10:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure prod_id4_show [2024-11-09 07:10:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure resources_show [2024-11-09 07:10:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure resources_show [2024-11-09 07:10:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 07:10:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-09 07:10:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2024-11-09 07:10:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2024-11-09 07:10:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_pcmcia_dynids [2024-11-09 07:10:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_pcmcia_dynids [2024-11-09 07:10:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:10:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2024-11-09 07:10:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2024-11-09 07:10:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-11-09 07:10:56,810 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-11-09 07:10:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_resume [2024-11-09 07:10:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_resume [2024-11-09 07:10:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_read_tuple [2024-11-09 07:10:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_read_tuple [2024-11-09 07:10:58,141 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:10:58,149 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:10:58,518 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 07:11:31,476 INFO L? ?]: Removed 3489 outVars from TransFormulas that were not future-live. [2024-11-09 07:11:31,477 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:11:37,089 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:11:37,089 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-09 07:11:37,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:11:37 BoogieIcfgContainer [2024-11-09 07:11:37,090 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:11:37,092 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:11:37,092 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:11:37,096 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:11:37,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:10:49" (1/3) ... [2024-11-09 07:11:37,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105a5da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:11:37, skipping insertion in model container [2024-11-09 07:11:37,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:55" (2/3) ... [2024-11-09 07:11:37,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105a5da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:11:37, skipping insertion in model container [2024-11-09 07:11:37,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:11:37" (3/3) ... [2024-11-09 07:11:37,100 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2024-11-09 07:11:37,121 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:11:37,121 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:11:37,281 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:11:37,290 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;@7ef4a881, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:11:37,291 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:11:37,307 INFO L276 IsEmpty]: Start isEmpty. Operand has 2848 states, 1865 states have (on average 1.4048257372654156) internal successors, (2620), 1920 states have internal predecessors, (2620), 841 states have call successors, (841), 141 states have call predecessors, (841), 140 states have return successors, (822), 820 states have call predecessors, (822), 822 states have call successors, (822) [2024-11-09 07:11:37,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2024-11-09 07:11:37,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:11:37,351 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:11:37,352 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:11:37,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:11:37,358 INFO L85 PathProgramCache]: Analyzing trace with hash -266318785, now seen corresponding path program 1 times [2024-11-09 07:11:37,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:11:37,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439554690] [2024-11-09 07:11:37,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:11:37,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:12:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:12:37,892 INFO L134 CoverageAnalysis]: Checked inductivity of 7842 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7842 trivial. 0 not checked. [2024-11-09 07:12:37,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:12:37,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439554690] [2024-11-09 07:12:37,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439554690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:12:37,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:12:37,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:12:37,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173757611] [2024-11-09 07:12:37,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:12:37,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:12:37,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:12:37,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:12:37,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:12:37,946 INFO L87 Difference]: Start difference. First operand has 2848 states, 1865 states have (on average 1.4048257372654156) internal successors, (2620), 1920 states have internal predecessors, (2620), 841 states have call successors, (841), 141 states have call predecessors, (841), 140 states have return successors, (822), 820 states have call predecessors, (822), 822 states have call successors, (822) Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2024-11-09 07:12:40,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:46,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:54,630 WARN L539 Checker$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 07:12:56,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:58,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:12:58,139 INFO L93 Difference]: Finished difference Result 8316 states and 12995 transitions. [2024-11-09 07:12:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:12:58,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 534 [2024-11-09 07:12:58,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:12:58,210 INFO L225 Difference]: With dead ends: 8316 [2024-11-09 07:12:58,210 INFO L226 Difference]: Without dead ends: 5514 [2024-11-09 07:12:58,247 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 07:12:58,252 INFO L432 NwaCegarLoop]: 3938 mSDtfsCounter, 4179 mSDsluCounter, 3776 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4179 SdHoareTripleChecker+Valid, 7714 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2024-11-09 07:12:58,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4179 Valid, 7714 Invalid, 691 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 685 Invalid, 4 Unknown, 0 Unchecked, 19.7s Time] [2024-11-09 07:12:58,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5514 states. [2024-11-09 07:12:58,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5514 to 5489. [2024-11-09 07:12:58,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5489 states, 3638 states have (on average 1.397196261682243) internal successors, (5083), 3695 states have internal predecessors, (5083), 1572 states have call successors, (1572), 279 states have call predecessors, (1572), 278 states have return successors, (1558), 1552 states have call predecessors, (1558), 1558 states have call successors, (1558) [2024-11-09 07:12:58,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5489 states to 5489 states and 8213 transitions. [2024-11-09 07:12:58,776 INFO L78 Accepts]: Start accepts. Automaton has 5489 states and 8213 transitions. Word has length 534 [2024-11-09 07:12:58,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:12:58,782 INFO L471 AbstractCegarLoop]: Abstraction has 5489 states and 8213 transitions. [2024-11-09 07:12:58,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2024-11-09 07:12:58,783 INFO L276 IsEmpty]: Start isEmpty. Operand 5489 states and 8213 transitions. [2024-11-09 07:12:58,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2024-11-09 07:12:58,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:12:58,803 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:12:58,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:12:58,804 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:12:58,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:12:58,805 INFO L85 PathProgramCache]: Analyzing trace with hash 2072855645, now seen corresponding path program 1 times [2024-11-09 07:12:58,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:12:58,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046517019] [2024-11-09 07:12:58,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:12:58,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:13:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:13:51,317 INFO L134 CoverageAnalysis]: Checked inductivity of 7842 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7842 trivial. 0 not checked. [2024-11-09 07:13:51,320 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:13:51,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046517019] [2024-11-09 07:13:51,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046517019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:13:51,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:13:51,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:13:51,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560616633] [2024-11-09 07:13:51,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:13:51,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:13:51,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:13:51,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:13:51,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:13:51,329 INFO L87 Difference]: Start difference. First operand 5489 states and 8213 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2024-11-09 07:13:53,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:14:01,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:14:10,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:14:12,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:14:14,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:14:14,265 INFO L93 Difference]: Finished difference Result 16245 states and 24303 transitions. [2024-11-09 07:14:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:14:14,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 535 [2024-11-09 07:14:14,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:14:14,357 INFO L225 Difference]: With dead ends: 16245 [2024-11-09 07:14:14,357 INFO L226 Difference]: Without dead ends: 10845 [2024-11-09 07:14:14,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:14:14,398 INFO L432 NwaCegarLoop]: 3965 mSDtfsCounter, 4182 mSDsluCounter, 3760 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4182 SdHoareTripleChecker+Valid, 7725 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2024-11-09 07:14:14,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4182 Valid, 7725 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 662 Invalid, 4 Unknown, 0 Unchecked, 22.5s Time] [2024-11-09 07:14:14,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10845 states. [2024-11-09 07:14:15,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10845 to 10820. [2024-11-09 07:14:15,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10820 states, 7185 states have (on average 1.3987473903966596) internal successors, (10050), 7288 states have internal predecessors, (10050), 3078 states have call successors, (3078), 557 states have call predecessors, (3078), 556 states have return successors, (3064), 3050 states have call predecessors, (3064), 3064 states have call successors, (3064) [2024-11-09 07:14:15,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10820 states to 10820 states and 16192 transitions. [2024-11-09 07:14:15,158 INFO L78 Accepts]: Start accepts. Automaton has 10820 states and 16192 transitions. Word has length 535 [2024-11-09 07:14:15,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:14:15,161 INFO L471 AbstractCegarLoop]: Abstraction has 10820 states and 16192 transitions. [2024-11-09 07:14:15,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2024-11-09 07:14:15,162 INFO L276 IsEmpty]: Start isEmpty. Operand 10820 states and 16192 transitions. [2024-11-09 07:14:15,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2024-11-09 07:14:15,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:14:15,175 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:14:15,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:14:15,175 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:14:15,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:14:15,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1501247333, now seen corresponding path program 1 times [2024-11-09 07:14:15,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:14:15,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516426104] [2024-11-09 07:14:15,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:14:15,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:15:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:15:22,379 INFO L134 CoverageAnalysis]: Checked inductivity of 7842 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7842 trivial. 0 not checked. [2024-11-09 07:15:22,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:15:22,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516426104] [2024-11-09 07:15:22,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516426104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:15:22,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:15:22,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:15:22,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028802328] [2024-11-09 07:15:22,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:15:22,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:15:22,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:15:22,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:15:22,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:15:22,387 INFO L87 Difference]: Start difference. First operand 10820 states and 16192 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-09 07:15:24,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:15:27,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:15:34,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:15:42,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:15:45,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:15:47,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:15:48,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:15:48,285 INFO L93 Difference]: Finished difference Result 32168 states and 48132 transitions. [2024-11-09 07:15:48,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:15:48,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 535 [2024-11-09 07:15:48,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:15:48,473 INFO L225 Difference]: With dead ends: 32168 [2024-11-09 07:15:48,473 INFO L226 Difference]: Without dead ends: 21437 [2024-11-09 07:15:48,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:15:48,544 INFO L432 NwaCegarLoop]: 4009 mSDtfsCounter, 4032 mSDsluCounter, 3877 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4032 SdHoareTripleChecker+Valid, 7886 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:15:48,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4032 Valid, 7886 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 667 Invalid, 5 Unknown, 0 Unchecked, 25.0s Time] [2024-11-09 07:15:48,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21437 states. [2024-11-09 07:15:49,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21437 to 21418. [2024-11-09 07:15:49,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21418 states, 14257 states have (on average 1.3996633232797924) internal successors, (19955), 14441 states have internal predecessors, (19955), 6051 states have call successors, (6051), 1110 states have call predecessors, (6051), 1109 states have return successors, (6037), 6018 states have call predecessors, (6037), 6037 states have call successors, (6037) [2024-11-09 07:15:49,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21418 states to 21418 states and 32043 transitions. [2024-11-09 07:15:49,938 INFO L78 Accepts]: Start accepts. Automaton has 21418 states and 32043 transitions. Word has length 535 [2024-11-09 07:15:49,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:15:49,939 INFO L471 AbstractCegarLoop]: Abstraction has 21418 states and 32043 transitions. [2024-11-09 07:15:49,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-09 07:15:49,940 INFO L276 IsEmpty]: Start isEmpty. Operand 21418 states and 32043 transitions. [2024-11-09 07:15:49,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2024-11-09 07:15:49,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:15:49,957 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:15:49,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:15:49,958 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:15:49,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:15:49,958 INFO L85 PathProgramCache]: Analyzing trace with hash -678715988, now seen corresponding path program 1 times [2024-11-09 07:15:49,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:15:49,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641460320] [2024-11-09 07:15:49,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:15:49,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:16:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:16:59,285 INFO L134 CoverageAnalysis]: Checked inductivity of 7842 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7842 trivial. 0 not checked. [2024-11-09 07:16:59,286 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:16:59,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641460320] [2024-11-09 07:16:59,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641460320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:16:59,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:16:59,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:16:59,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047618054] [2024-11-09 07:16:59,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:16:59,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:16:59,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:16:59,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:16:59,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:16:59,290 INFO L87 Difference]: Start difference. First operand 21418 states and 32043 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2024-11-09 07:17:01,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:17:04,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:17:14,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:17:16,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:17:20,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:17:20,185 INFO L93 Difference]: Finished difference Result 42770 states and 63984 transitions. [2024-11-09 07:17:20,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:17:20,186 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 537 [2024-11-09 07:17:20,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:17:20,352 INFO L225 Difference]: With dead ends: 42770 [2024-11-09 07:17:20,352 INFO L226 Difference]: Without dead ends: 21441 [2024-11-09 07:17:20,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:17:20,468 INFO L432 NwaCegarLoop]: 3916 mSDtfsCounter, 4222 mSDsluCounter, 3932 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4222 SdHoareTripleChecker+Valid, 7848 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:17:20,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4222 Valid, 7848 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 663 Invalid, 4 Unknown, 0 Unchecked, 20.0s Time] [2024-11-09 07:17:20,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21441 states. [2024-11-09 07:17:21,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21441 to 21426. [2024-11-09 07:17:21,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21426 states, 14265 states have (on average 1.3993690851735017) internal successors, (19962), 14449 states have internal predecessors, (19962), 6051 states have call successors, (6051), 1110 states have call predecessors, (6051), 1109 states have return successors, (6037), 6018 states have call predecessors, (6037), 6037 states have call successors, (6037) [2024-11-09 07:17:21,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21426 states to 21426 states and 32050 transitions. [2024-11-09 07:17:21,993 INFO L78 Accepts]: Start accepts. Automaton has 21426 states and 32050 transitions. Word has length 537 [2024-11-09 07:17:21,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:17:21,994 INFO L471 AbstractCegarLoop]: Abstraction has 21426 states and 32050 transitions. [2024-11-09 07:17:21,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2024-11-09 07:17:21,995 INFO L276 IsEmpty]: Start isEmpty. Operand 21426 states and 32050 transitions. [2024-11-09 07:17:22,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2024-11-09 07:17:22,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:17:22,001 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:17:22,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 07:17:22,003 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:17:22,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:17:22,004 INFO L85 PathProgramCache]: Analyzing trace with hash 56303737, now seen corresponding path program 1 times [2024-11-09 07:17:22,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:17:22,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719553021] [2024-11-09 07:17:22,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:17:22,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:18:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:18:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 7842 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7842 trivial. 0 not checked. [2024-11-09 07:18:24,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:18:24,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719553021] [2024-11-09 07:18:24,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719553021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:18:24,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:18:24,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:18:24,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517703863] [2024-11-09 07:18:24,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:18:24,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:18:24,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:18:24,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:18:24,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:18:24,257 INFO L87 Difference]: Start difference. First operand 21426 states and 32050 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-09 07:18:27,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:18:30,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:18:36,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:18:37,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:18:37,907 INFO L93 Difference]: Finished difference Result 21428 states and 32051 transitions. [2024-11-09 07:18:37,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:18:37,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 540 [2024-11-09 07:18:37,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:18:38,059 INFO L225 Difference]: With dead ends: 21428 [2024-11-09 07:18:38,059 INFO L226 Difference]: Without dead ends: 21425 [2024-11-09 07:18:38,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:18:38,078 INFO L432 NwaCegarLoop]: 3896 mSDtfsCounter, 4118 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4118 SdHoareTripleChecker+Valid, 3896 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:18:38,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4118 Valid, 3896 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 326 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2024-11-09 07:18:38,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21425 states. [2024-11-09 07:18:39,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21425 to 21425. [2024-11-09 07:18:39,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21425 states, 14265 states have (on average 1.399298983526113) internal successors, (19961), 14448 states have internal predecessors, (19961), 6050 states have call successors, (6050), 1110 states have call predecessors, (6050), 1109 states have return successors, (6037), 6018 states have call predecessors, (6037), 6037 states have call successors, (6037) [2024-11-09 07:18:39,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21425 states to 21425 states and 32048 transitions. [2024-11-09 07:18:39,625 INFO L78 Accepts]: Start accepts. Automaton has 21425 states and 32048 transitions. Word has length 540 [2024-11-09 07:18:39,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:18:39,627 INFO L471 AbstractCegarLoop]: Abstraction has 21425 states and 32048 transitions. [2024-11-09 07:18:39,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-09 07:18:39,628 INFO L276 IsEmpty]: Start isEmpty. Operand 21425 states and 32048 transitions. [2024-11-09 07:18:39,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2024-11-09 07:18:39,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:18:39,633 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:18:39,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 07:18:39,634 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:18:39,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:18:39,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1743830301, now seen corresponding path program 1 times [2024-11-09 07:18:39,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:18:39,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874486247] [2024-11-09 07:18:39,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:18:39,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:19:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:19:41,531 INFO L134 CoverageAnalysis]: Checked inductivity of 7842 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7842 trivial. 0 not checked. [2024-11-09 07:19:41,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:19:41,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874486247] [2024-11-09 07:19:41,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874486247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:19:41,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:19:41,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:19:41,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10837625] [2024-11-09 07:19:41,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:19:41,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:19:41,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:19:41,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:19:41,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:19:41,536 INFO L87 Difference]: Start difference. First operand 21425 states and 32048 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-09 07:19:43,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:19:51,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:19:52,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:19:55,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:19:55,032 INFO L93 Difference]: Finished difference Result 21427 states and 32049 transitions. [2024-11-09 07:19:55,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:19:55,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 541 [2024-11-09 07:19:55,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:19:55,225 INFO L225 Difference]: With dead ends: 21427 [2024-11-09 07:19:55,225 INFO L226 Difference]: Without dead ends: 21424 [2024-11-09 07:19:55,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:19:55,248 INFO L432 NwaCegarLoop]: 3894 mSDtfsCounter, 4115 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4115 SdHoareTripleChecker+Valid, 3894 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2024-11-09 07:19:55,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4115 Valid, 3894 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 327 Invalid, 2 Unknown, 0 Unchecked, 12.7s Time] [2024-11-09 07:19:55,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21424 states. [2024-11-09 07:19:56,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21424 to 21424. [2024-11-09 07:19:56,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21424 states, 14265 states have (on average 1.3992288818787242) internal successors, (19960), 14447 states have internal predecessors, (19960), 6049 states have call successors, (6049), 1110 states have call predecessors, (6049), 1109 states have return successors, (6037), 6018 states have call predecessors, (6037), 6037 states have call successors, (6037) [2024-11-09 07:19:57,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21424 states to 21424 states and 32046 transitions. [2024-11-09 07:19:57,150 INFO L78 Accepts]: Start accepts. Automaton has 21424 states and 32046 transitions. Word has length 541 [2024-11-09 07:19:57,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:19:57,152 INFO L471 AbstractCegarLoop]: Abstraction has 21424 states and 32046 transitions. [2024-11-09 07:19:57,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-09 07:19:57,152 INFO L276 IsEmpty]: Start isEmpty. Operand 21424 states and 32046 transitions. [2024-11-09 07:19:57,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2024-11-09 07:19:57,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:19:57,158 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:57,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 07:19:57,158 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:19:57,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:19:57,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1777416196, now seen corresponding path program 1 times [2024-11-09 07:19:57,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:19:57,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521188694] [2024-11-09 07:19:57,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:19:57,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:21:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:21:06,738 INFO L134 CoverageAnalysis]: Checked inductivity of 7842 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7842 trivial. 0 not checked. [2024-11-09 07:21:06,738 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:21:06,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521188694] [2024-11-09 07:21:06,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521188694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:21:06,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:21:06,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:21:06,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640691753] [2024-11-09 07:21:06,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:21:06,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:21:06,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:21:06,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:21:06,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:21:06,742 INFO L87 Difference]: Start difference. First operand 21424 states and 32046 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-09 07:21:09,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:21:18,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:21:21,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:21:25,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:21:27,710 WARN L539 Checker$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 07:21:30,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:21:34,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:21:34,263 INFO L93 Difference]: Finished difference Result 60853 states and 93644 transitions. [2024-11-09 07:21:34,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:21:34,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 542 [2024-11-09 07:21:34,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:21:34,557 INFO L225 Difference]: With dead ends: 60853 [2024-11-09 07:21:34,557 INFO L226 Difference]: Without dead ends: 39518 [2024-11-09 07:21:34,726 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 07:21:34,727 INFO L432 NwaCegarLoop]: 4064 mSDtfsCounter, 4194 mSDsluCounter, 3087 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4194 SdHoareTripleChecker+Valid, 7151 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2024-11-09 07:21:34,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4194 Valid, 7151 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 642 Invalid, 5 Unknown, 0 Unchecked, 25.6s Time] [2024-11-09 07:21:34,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39518 states. [2024-11-09 07:21:37,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39518 to 39469. [2024-11-09 07:21:37,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39469 states, 26085 states have (on average 1.3934061721295763) internal successors, (36347), 26434 states have internal predecessors, (36347), 11234 states have call successors, (11234), 2167 states have call predecessors, (11234), 2149 states have return successors, (12109), 11155 states have call predecessors, (12109), 11221 states have call successors, (12109) [2024-11-09 07:21:37,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39469 states to 39469 states and 59690 transitions. [2024-11-09 07:21:37,487 INFO L78 Accepts]: Start accepts. Automaton has 39469 states and 59690 transitions. Word has length 542 [2024-11-09 07:21:37,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:21:37,488 INFO L471 AbstractCegarLoop]: Abstraction has 39469 states and 59690 transitions. [2024-11-09 07:21:37,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-09 07:21:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand 39469 states and 59690 transitions. [2024-11-09 07:21:37,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2024-11-09 07:21:37,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:21:37,495 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:21:37,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 07:21:37,496 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:21:37,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:21:37,496 INFO L85 PathProgramCache]: Analyzing trace with hash 54687163, now seen corresponding path program 1 times [2024-11-09 07:21:37,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:21:37,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996185940] [2024-11-09 07:21:37,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:21:37,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:22:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:22:44,063 INFO L134 CoverageAnalysis]: Checked inductivity of 7842 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7842 trivial. 0 not checked. [2024-11-09 07:22:44,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:22:44,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996185940] [2024-11-09 07:22:44,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996185940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:22:44,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:22:44,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 07:22:44,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758338468] [2024-11-09 07:22:44,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:22:44,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:22:44,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:22:44,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:22:44,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:22:44,067 INFO L87 Difference]: Start difference. First operand 39469 states and 59690 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-09 07:22:46,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:22:54,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:22:56,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:06,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:09,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:11,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:23:14,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:23:14,688 INFO L93 Difference]: Finished difference Result 117789 states and 178148 transitions. [2024-11-09 07:23:14,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:23:14,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 545 [2024-11-09 07:23:14,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:23:15,742 INFO L225 Difference]: With dead ends: 117789 [2024-11-09 07:23:15,743 INFO L226 Difference]: Without dead ends: 78409 [2024-11-09 07:23:15,971 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 07:23:15,972 INFO L432 NwaCegarLoop]: 4014 mSDtfsCounter, 4107 mSDsluCounter, 3754 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4107 SdHoareTripleChecker+Valid, 7768 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2024-11-09 07:23:15,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4107 Valid, 7768 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 663 Invalid, 5 Unknown, 0 Unchecked, 26.7s Time] [2024-11-09 07:23:16,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78409 states. [2024-11-09 07:23:21,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78409 to 78377. [2024-11-09 07:23:21,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78377 states, 51845 states have (on average 1.3942906741247951) internal successors, (72287), 52526 states have internal predecessors, (72287), 22250 states have call successors, (22250), 4315 states have call predecessors, (22250), 4281 states have return successors, (24013), 22103 states have call predecessors, (24013), 22237 states have call successors, (24013) [2024-11-09 07:23:22,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78377 states to 78377 states and 118550 transitions. [2024-11-09 07:23:22,142 INFO L78 Accepts]: Start accepts. Automaton has 78377 states and 118550 transitions. Word has length 545 [2024-11-09 07:23:22,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:23:22,143 INFO L471 AbstractCegarLoop]: Abstraction has 78377 states and 118550 transitions. [2024-11-09 07:23:22,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-09 07:23:22,144 INFO L276 IsEmpty]: Start isEmpty. Operand 78377 states and 118550 transitions. [2024-11-09 07:23:22,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2024-11-09 07:23:22,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:23:22,148 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:23:22,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 07:23:22,148 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:23:22,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:23:22,149 INFO L85 PathProgramCache]: Analyzing trace with hash 733096960, now seen corresponding path program 1 times [2024-11-09 07:23:22,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:23:22,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33021111] [2024-11-09 07:23:22,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:23:22,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms