./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--rocket.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--rocket.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/bin/utaipan-verify-sOmjnqqW8E --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 10f4b45d75b7f8e33b68a5452069f3664fa135d61c66b0be3d2af931c3795906 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:30:43,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:30:43,484 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 04:30:43,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:30:43,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:30:43,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:30:43,543 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:30:43,543 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:30:43,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:30:43,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:30:43,544 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:30:43,544 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:30:43,544 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:30:43,545 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:30:43,545 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:30:43,545 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:30:43,545 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:30:43,545 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:30:43,545 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:30:43,545 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:30:43,545 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:30:43,546 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:30:43,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:30:43,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:30:43,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:30:43,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:30:43,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:30:43,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:30:43,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:30:43,548 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:30:43,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:30:43,548 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:30:43,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:30:43,548 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:30:43,548 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:30:43,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:30:43,549 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:30:43,549 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:30:43,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:30:43,549 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:30:43,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:30:43,549 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:30:43,549 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:30:43,549 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:30:43,549 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/bin/utaipan-verify-sOmjnqqW8E 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 -> 10f4b45d75b7f8e33b68a5452069f3664fa135d61c66b0be3d2af931c3795906 [2024-11-14 04:30:43,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:30:43,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:30:43,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:30:43,963 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:30:43,963 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:30:43,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--rocket.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-14 04:30:46,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:30:47,351 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:30:47,351 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--rocket.ko-entry_point.cil.out.i [2024-11-14 04:30:47,420 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/bin/utaipan-verify-sOmjnqqW8E/data/8de91b314/7b984a3b2c6946848dbdd7f8bb11a5e4/FLAGcee496ef1 [2024-11-14 04:30:47,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/bin/utaipan-verify-sOmjnqqW8E/data/8de91b314/7b984a3b2c6946848dbdd7f8bb11a5e4 [2024-11-14 04:30:47,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:30:47,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:30:47,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:30:47,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:30:47,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:30:47,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:30:47" (1/1) ... [2024-11-14 04:30:47,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1733adcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:47, skipping insertion in model container [2024-11-14 04:30:47,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:30:47" (1/1) ... [2024-11-14 04:30:47,586 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:30:48,129 WARN L1355 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3825] [2024-11-14 04:30:48,130 WARN L1355 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3826-3827] [2024-11-14 04:30:48,642 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_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--rocket.ko-entry_point.cil.out.i[120230,120243] [2024-11-14 04:30:49,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:30:50,051 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:30:50,158 WARN L1355 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3825] [2024-11-14 04:30:50,158 WARN L1355 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3826-3827] [2024-11-14 04:30:50,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3910] [2024-11-14 04:30:50,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3917] [2024-11-14 04:30:50,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3931-3932] [2024-11-14 04:30:50,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3952] [2024-11-14 04:30:50,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3955] [2024-11-14 04:30:50,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3958] [2024-11-14 04:30:50,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3961] [2024-11-14 04:30:50,176 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; incl %0": "+m" (v->counter)); [3996] [2024-11-14 04:30:50,177 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; decl %0": "+m" (v->counter)); [4003] [2024-11-14 04:30:50,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [4078] [2024-11-14 04:30:50,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [4086] [2024-11-14 04:30:50,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [4112] [2024-11-14 04:30:50,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [4120] [2024-11-14 04:30:50,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsw": "+S" (addr), "+c" (count): "d" (port)); [4146] [2024-11-14 04:30:50,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insw": "+D" (addr), "+c" (count): "d" (port)); [4153] [2024-11-14 04:30:50,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [4160] [2024-11-14 04:30:50,190 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_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--rocket.ko-entry_point.cil.out.i[120230,120243] [2024-11-14 04:30:50,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:30:50,867 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:30:50,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:50 WrapperNode [2024-11-14 04:30:50,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:30:50,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:30:50,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:30:50,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:30:50,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:50" (1/1) ... [2024-11-14 04:30:51,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:50" (1/1) ... [2024-11-14 04:30:51,576 INFO L138 Inliner]: procedures = 228, calls = 3876, calls flagged for inlining = 110, calls inlined = 108, statements flattened = 8244 [2024-11-14 04:30:51,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:30:51,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:30:51,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:30:51,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:30:51,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:50" (1/1) ... [2024-11-14 04:30:51,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:50" (1/1) ... [2024-11-14 04:30:51,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:50" (1/1) ... [2024-11-14 04:30:51,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:50" (1/1) ... [2024-11-14 04:30:51,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:50" (1/1) ... [2024-11-14 04:30:52,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:50" (1/1) ... [2024-11-14 04:30:52,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:50" (1/1) ... [2024-11-14 04:30:52,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:50" (1/1) ... [2024-11-14 04:30:52,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:30:52,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:30:52,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:30:52,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:30:52,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:50" (1/1) ... [2024-11-14 04:30:52,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:30:52,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:30:52,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:30:52,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:30:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-14 04:30:52,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-14 04:30:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-14 04:30:52,268 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-14 04:30:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-14 04:30:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 04:30:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-14 04:30:52,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-14 04:30:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-14 04:30:52,269 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-14 04:30:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-14 04:30:52,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-14 04:30:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure sFlushRxFIFO [2024-11-14 04:30:52,269 INFO L138 BoogieDeclarations]: Found implementation of procedure sFlushRxFIFO [2024-11-14 04:30:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 04:30:52,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 04:30:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_2 [2024-11-14 04:30:52,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_2 [2024-11-14 04:30:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2024-11-14 04:30:52,270 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2024-11-14 04:30:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure rocket_paranoia_check [2024-11-14 04:30:52,270 INFO L138 BoogieDeclarations]: Found implementation of procedure rocket_paranoia_check [2024-11-14 04:30:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2024-11-14 04:30:52,270 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2024-11-14 04:30:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-14 04:30:52,270 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-14 04:30:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-14 04:30:52,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-14 04:30:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure rp_wait_until_sent [2024-11-14 04:30:52,271 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_wait_until_sent [2024-11-14 04:30:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure sFlushTxFIFO [2024-11-14 04:30:52,271 INFO L138 BoogieDeclarations]: Found implementation of procedure sFlushTxFIFO [2024-11-14 04:30:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-14 04:30:52,271 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-14 04:30:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure outsw [2024-11-14 04:30:52,271 INFO L138 BoogieDeclarations]: Found implementation of procedure outsw [2024-11-14 04:30:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 04:30:52,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 04:30:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure sInW [2024-11-14 04:30:52,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sInW [2024-11-14 04:30:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:30:52,275 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:30:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure GetLineNumber [2024-11-14 04:30:52,275 INFO L138 BoogieDeclarations]: Found implementation of procedure GetLineNumber [2024-11-14 04:30:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2024-11-14 04:30:52,275 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2024-11-14 04:30:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure rp_send_xchar [2024-11-14 04:30:52,276 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_send_xchar [2024-11-14 04:30:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure out32 [2024-11-14 04:30:52,276 INFO L138 BoogieDeclarations]: Found implementation of procedure out32 [2024-11-14 04:30:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure sInB [2024-11-14 04:30:52,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sInB [2024-11-14 04:30:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2024-11-14 04:30:52,276 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2024-11-14 04:30:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure rp_start [2024-11-14 04:30:52,276 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_start [2024-11-14 04:30:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure sReadAiopID [2024-11-14 04:30:52,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sReadAiopID [2024-11-14 04:30:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:30:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 04:30:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-14 04:30:52,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-14 04:30:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-14 04:30:52,277 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-14 04:30:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:30:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2024-11-14 04:30:52,277 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2024-11-14 04:30:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure rp_hangup [2024-11-14 04:30:52,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_hangup [2024-11-14 04:30:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 04:30:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-14 04:30:52,277 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-14 04:30:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 04:30:52,280 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 04:30:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2024-11-14 04:30:52,280 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2024-11-14 04:30:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure sSetInterfaceMode [2024-11-14 04:30:52,280 INFO L138 BoogieDeclarations]: Found implementation of procedure sSetInterfaceMode [2024-11-14 04:30:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2024-11-14 04:30:52,281 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2024-11-14 04:30:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure rp_write_room [2024-11-14 04:30:52,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_write_room [2024-11-14 04:30:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure rp_tiocmset [2024-11-14 04:30:52,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_tiocmset [2024-11-14 04:30:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-14 04:30:52,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-14 04:30:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure init_r_port [2024-11-14 04:30:52,282 INFO L138 BoogieDeclarations]: Found implementation of procedure init_r_port [2024-11-14 04:30:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure rp_ioctl [2024-11-14 04:30:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_ioctl [2024-11-14 04:30:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure sModemReset [2024-11-14 04:30:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sModemReset [2024-11-14 04:30:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2024-11-14 04:30:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2024-11-14 04:30:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-14 04:30:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-14 04:30:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-14 04:30:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-14 04:30:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-14 04:30:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure rp_break [2024-11-14 04:30:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_break [2024-11-14 04:30:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 04:30:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2024-11-14 04:30:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2024-11-14 04:30:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure rp_put_char [2024-11-14 04:30:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_put_char [2024-11-14 04:30:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:30:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2024-11-14 04:30:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2024-11-14 04:30:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure rp_unthrottle [2024-11-14 04:30:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_unthrottle [2024-11-14 04:30:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-14 04:30:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-14 04:30:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-14 04:30:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-14 04:30:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-14 04:30:52,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-14 04:30:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-14 04:30:52,286 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-14 04:30:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:30:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-14 04:30:52,286 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-14 04:30:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2024-11-14 04:30:52,286 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2024-11-14 04:30:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 04:30:52,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 04:30:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:30:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-14 04:30:52,286 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-14 04:30:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:30:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure sPCIModemReset [2024-11-14 04:30:52,287 INFO L138 BoogieDeclarations]: Found implementation of procedure sPCIModemReset [2024-11-14 04:30:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2024-11-14 04:30:52,287 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2024-11-14 04:30:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure rp_flush_buffer [2024-11-14 04:30:52,287 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_flush_buffer [2024-11-14 04:30:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 04:30:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure rp_chars_in_buffer [2024-11-14 04:30:52,287 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_chars_in_buffer [2024-11-14 04:30:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure configure_r_port [2024-11-14 04:30:52,287 INFO L138 BoogieDeclarations]: Found implementation of procedure configure_r_port [2024-11-14 04:30:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-14 04:30:52,288 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-14 04:30:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-14 04:30:52,288 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-14 04:30:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-14 04:30:52,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-14 04:30:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure sOutW [2024-11-14 04:30:52,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sOutW [2024-11-14 04:30:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-14 04:30:52,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-14 04:30:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure sDisInterrupts [2024-11-14 04:30:52,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sDisInterrupts [2024-11-14 04:30:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure rp_set_termios [2024-11-14 04:30:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_set_termios [2024-11-14 04:30:52,291 INFO L130 BoogieDeclarations]: Found specification of procedure sOutB [2024-11-14 04:30:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure sOutB [2024-11-14 04:30:52,291 INFO L130 BoogieDeclarations]: Found specification of procedure rp_throttle [2024-11-14 04:30:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_throttle [2024-11-14 04:30:52,291 INFO L130 BoogieDeclarations]: Found specification of procedure rp_tiocmget [2024-11-14 04:30:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure rp_tiocmget [2024-11-14 04:30:52,291 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_set [2024-11-14 04:30:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_set [2024-11-14 04:30:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure sReadAiopNumChan [2024-11-14 04:30:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure sReadAiopNumChan [2024-11-14 04:30:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-14 04:30:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-14 04:30:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:30:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-14 04:30:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-14 04:30:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:30:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:30:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2024-11-14 04:30:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2024-11-14 04:30:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-14 04:30:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-14 04:30:53,412 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:30:53,417 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:30:55,007 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-14 04:31:47,496 INFO L? ?]: Removed 2129 outVars from TransFormulas that were not future-live. [2024-11-14 04:31:47,497 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:31:52,766 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:31:52,770 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:31:52,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:31:52 BoogieIcfgContainer [2024-11-14 04:31:52,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:31:52,777 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:31:52,777 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:31:52,784 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:31:52,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:30:47" (1/3) ... [2024-11-14 04:31:52,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1acf83fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:31:52, skipping insertion in model container [2024-11-14 04:31:52,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:50" (2/3) ... [2024-11-14 04:31:52,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1acf83fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:31:52, skipping insertion in model container [2024-11-14 04:31:52,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:31:52" (3/3) ... [2024-11-14 04:31:52,790 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--rocket.ko-entry_point.cil.out.i [2024-11-14 04:31:52,813 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:31:52,818 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--rocket.ko-entry_point.cil.out.i that has 81 procedures, 1600 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-14 04:31:52,974 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:31:52,996 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;@6402dccb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:31:52,996 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:31:53,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 1599 states, 1011 states have (on average 1.3669634025717112) internal successors, (1382), 1045 states have internal predecessors, (1382), 507 states have call successors, (507), 80 states have call predecessors, (507), 79 states have return successors, (502), 495 states have call predecessors, (502), 502 states have call successors, (502) [2024-11-14 04:31:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-14 04:31:53,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:31:53,050 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-14 04:31:53,050 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:31:53,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:31:53,056 INFO L85 PathProgramCache]: Analyzing trace with hash -451373076, now seen corresponding path program 1 times [2024-11-14 04:31:53,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:31:53,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644435883] [2024-11-14 04:31:53,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:31:53,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:32:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:32:44,805 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-14 04:32:44,807 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:32:44,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644435883] [2024-11-14 04:32:44,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644435883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:32:44,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:32:44,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:32:44,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880752143] [2024-11-14 04:32:44,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:32:44,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:32:44,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:32:44,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:32:44,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:32:44,851 INFO L87 Difference]: Start difference. First operand has 1599 states, 1011 states have (on average 1.3669634025717112) internal successors, (1382), 1045 states have internal predecessors, (1382), 507 states have call successors, (507), 80 states have call predecessors, (507), 79 states have return successors, (502), 495 states have call predecessors, (502), 502 states have call successors, (502) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 04:32:47,161 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 [] [2024-11-14 04:32:50,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:55,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:57,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:33:00,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:33:04,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:33:05,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:33:05,149 INFO L93 Difference]: Finished difference Result 3849 states and 5801 transitions. [2024-11-14 04:33:05,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:33:05,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2024-11-14 04:33:05,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:33:05,213 INFO L225 Difference]: With dead ends: 3849 [2024-11-14 04:33:05,213 INFO L226 Difference]: Without dead ends: 2198 [2024-11-14 04:33:05,235 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 [2024-11-14 04:33:05,242 INFO L432 NwaCegarLoop]: 2126 mSDtfsCounter, 972 mSDsluCounter, 1855 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 3981 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:33:05,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [972 Valid, 3981 Invalid, 815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 809 Invalid, 4 Unknown, 0 Unchecked, 19.9s Time] [2024-11-14 04:33:05,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2198 states. [2024-11-14 04:33:05,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2198 to 2195. [2024-11-14 04:33:05,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2195 states, 1395 states have (on average 1.3562724014336918) internal successors, (1892), 1431 states have internal predecessors, (1892), 682 states have call successors, (682), 118 states have call predecessors, (682), 117 states have return successors, (681), 671 states have call predecessors, (681), 681 states have call successors, (681) [2024-11-14 04:33:05,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 3255 transitions. [2024-11-14 04:33:05,664 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 3255 transitions. Word has length 45 [2024-11-14 04:33:05,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:33:05,666 INFO L471 AbstractCegarLoop]: Abstraction has 2195 states and 3255 transitions. [2024-11-14 04:33:05,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-14 04:33:05,666 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 3255 transitions. [2024-11-14 04:33:05,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-14 04:33:05,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:33:05,676 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:33:05,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:33:05,676 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:33:05,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:33:05,677 INFO L85 PathProgramCache]: Analyzing trace with hash 920890076, now seen corresponding path program 1 times [2024-11-14 04:33:05,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:33:05,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190640047] [2024-11-14 04:33:05,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:33:05,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:33:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:33:55,232 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-14 04:33:55,234 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:33:55,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190640047] [2024-11-14 04:33:55,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190640047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:33:55,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:33:55,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:33:55,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526069743] [2024-11-14 04:33:55,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:33:55,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:33:55,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:33:55,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:33:55,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:33:55,242 INFO L87 Difference]: Start difference. First operand 2195 states and 3255 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-14 04:33:57,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:33:59,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:03,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:05,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:07,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:08,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:16,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:19,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:20,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:25,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:34:27,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:34:27,838 INFO L93 Difference]: Finished difference Result 5558 states and 8247 transitions. [2024-11-14 04:34:27,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:34:27,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 93 [2024-11-14 04:34:27,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:34:27,882 INFO L225 Difference]: With dead ends: 5558 [2024-11-14 04:34:27,882 INFO L226 Difference]: Without dead ends: 3380 [2024-11-14 04:34:27,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:34:27,900 INFO L432 NwaCegarLoop]: 2881 mSDtfsCounter, 1707 mSDsluCounter, 1786 mSDsCounter, 0 mSdLazyCounter, 983 mSolverCounterSat, 107 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1707 SdHoareTripleChecker+Valid, 4667 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 983 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:34:27,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1707 Valid, 4667 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 983 Invalid, 6 Unknown, 0 Unchecked, 32.2s Time] [2024-11-14 04:34:27,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3380 states. [2024-11-14 04:34:28,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3380 to 3377. [2024-11-14 04:34:28,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3377 states, 2176 states have (on average 1.3391544117647058) internal successors, (2914), 2233 states have internal predecessors, (2914), 1011 states have call successors, (1011), 190 states have call predecessors, (1011), 189 states have return successors, (1010), 993 states have call predecessors, (1010), 1010 states have call successors, (1010) [2024-11-14 04:34:28,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3377 states to 3377 states and 4935 transitions. [2024-11-14 04:34:28,213 INFO L78 Accepts]: Start accepts. Automaton has 3377 states and 4935 transitions. Word has length 93 [2024-11-14 04:34:28,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:34:28,217 INFO L471 AbstractCegarLoop]: Abstraction has 3377 states and 4935 transitions. [2024-11-14 04:34:28,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-14 04:34:28,217 INFO L276 IsEmpty]: Start isEmpty. Operand 3377 states and 4935 transitions. [2024-11-14 04:34:28,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-14 04:34:28,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:34:28,237 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:34:28,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:34:28,238 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:34:28,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:34:28,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1005737217, now seen corresponding path program 1 times [2024-11-14 04:34:28,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:34:28,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100909992] [2024-11-14 04:34:28,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:34:28,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:35:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:35:20,242 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-14 04:35:20,243 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:35:20,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100909992] [2024-11-14 04:35:20,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100909992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:35:20,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:35:20,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:35:20,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197501620] [2024-11-14 04:35:20,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:35:20,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:35:20,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:35:20,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:35:20,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:35:20,246 INFO L87 Difference]: Start difference. First operand 3377 states and 4935 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-14 04:35:22,533 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 [] [2024-11-14 04:35:24,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:27,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:29,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:32,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:37,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:38,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:35:41,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:35:41,480 INFO L93 Difference]: Finished difference Result 6770 states and 9900 transitions. [2024-11-14 04:35:41,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:35:41,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 128 [2024-11-14 04:35:41,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:35:41,525 INFO L225 Difference]: With dead ends: 6770 [2024-11-14 04:35:41,525 INFO L226 Difference]: Without dead ends: 3410 [2024-11-14 04:35:41,549 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 [2024-11-14 04:35:41,550 INFO L432 NwaCegarLoop]: 2054 mSDtfsCounter, 6 mSDsluCounter, 2052 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 4106 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:35:41,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 4106 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 563 Invalid, 5 Unknown, 0 Unchecked, 21.0s Time] [2024-11-14 04:35:41,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2024-11-14 04:35:41,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3380. [2024-11-14 04:35:41,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3380 states, 2179 states have (on average 1.338687471317118) internal successors, (2917), 2236 states have internal predecessors, (2917), 1011 states have call successors, (1011), 190 states have call predecessors, (1011), 189 states have return successors, (1010), 993 states have call predecessors, (1010), 1010 states have call successors, (1010) [2024-11-14 04:35:41,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 3380 states and 4938 transitions. [2024-11-14 04:35:41,806 INFO L78 Accepts]: Start accepts. Automaton has 3380 states and 4938 transitions. Word has length 128 [2024-11-14 04:35:41,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:35:41,807 INFO L471 AbstractCegarLoop]: Abstraction has 3380 states and 4938 transitions. [2024-11-14 04:35:41,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-14 04:35:41,808 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 4938 transitions. [2024-11-14 04:35:41,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-14 04:35:41,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:35:41,823 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:35:41,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:35:41,823 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:35:41,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:35:41,824 INFO L85 PathProgramCache]: Analyzing trace with hash -216037324, now seen corresponding path program 1 times [2024-11-14 04:35:41,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:35:41,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849990495] [2024-11-14 04:35:41,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:35:41,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:36:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:36:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-14 04:36:32,976 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:36:32,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849990495] [2024-11-14 04:36:32,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849990495] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:36:32,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417177048] [2024-11-14 04:36:32,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:36:32,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:36:32,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:36:32,980 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:36:32,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb98a60-132a-49a5-a8e0-e1f29a89ef06/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:37:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:37:23,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 9756 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:37:23,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:37:23,897 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-14 04:37:23,897 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:37:25,550 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-14 04:37:25,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417177048] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:37:25,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1479426613] [2024-11-14 04:37:25,591 INFO L159 IcfgInterpreter]: Started Sifa with 83 locations of interest [2024-11-14 04:37:25,591 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:37:25,596 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:37:25,604 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:37:25,604 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:39:35,711 WARN L286 SmtUtils]: Spent 7.85s on a formula simplification that was a NOOP. DAG size: 4138 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 04:40:59,153 WARN L286 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 4138 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 04:42:20,708 WARN L286 SmtUtils]: Spent 10.66s on a formula simplification that was a NOOP. DAG size: 4138 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 04:43:49,905 WARN L286 SmtUtils]: Spent 9.27s on a formula simplification that was a NOOP. DAG size: 4138 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 04:44:50,046 WARN L286 SmtUtils]: Spent 18.22s on a formula simplification that was a NOOP. DAG size: 11120 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2024-11-14 04:45:06,744 WARN L286 SmtUtils]: Spent 16.68s on a formula simplification that was a NOOP. DAG size: 11120 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)