./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.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_a5abc25b-6255-4b99-ad24-0403e4c64ab2/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5abc25b-6255-4b99-ad24-0403e4c64ab2/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_a5abc25b-6255-4b99-ad24-0403e4c64ab2/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5abc25b-6255-4b99-ad24-0403e4c64ab2/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5abc25b-6255-4b99-ad24-0403e4c64ab2/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_a5abc25b-6255-4b99-ad24-0403e4c64ab2/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 27935ce23b1c6c93006d0fe9203e55f72018d033c61ee37d847237766b9ec114 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:00:44,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:00:45,034 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5abc25b-6255-4b99-ad24-0403e4c64ab2/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:00:45,040 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:00:45,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:00:45,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:00:45,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:00:45,072 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:00:45,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:00:45,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:00:45,078 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:00:45,078 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:00:45,079 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:00:45,079 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:00:45,080 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:00:45,080 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:00:45,081 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:00:45,081 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:00:45,082 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:00:45,082 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:00:45,083 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:00:45,087 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:00:45,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:00:45,088 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:00:45,089 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:00:45,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:00:45,089 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:00:45,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:00:45,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:00:45,090 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:00:45,091 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:00:45,093 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:00:45,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:00:45,110 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:00:45,110 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:00:45,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:00:45,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:00:45,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:00:45,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:00:45,111 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:00:45,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:00:45,112 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:00:45,113 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:00:45,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:00:45,114 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_a5abc25b-6255-4b99-ad24-0403e4c64ab2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5abc25b-6255-4b99-ad24-0403e4c64ab2/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27935ce23b1c6c93006d0fe9203e55f72018d033c61ee37d847237766b9ec114 [2024-11-09 05:00:45,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:00:45,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:00:45,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:00:45,650 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:00:45,655 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:00:45,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5abc25b-6255-4b99-ad24-0403e4c64ab2/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i Unable to find full path for "g++" [2024-11-09 05:00:48,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:00:49,037 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:00:49,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5abc25b-6255-4b99-ad24-0403e4c64ab2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2024-11-09 05:00:49,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5abc25b-6255-4b99-ad24-0403e4c64ab2/bin/utaipan-verify-YMUCfTKeje/data/31fdf37ee/ab078088faa8488fa613c287d9425661/FLAGe564c65fa [2024-11-09 05:00:49,289 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5abc25b-6255-4b99-ad24-0403e4c64ab2/bin/utaipan-verify-YMUCfTKeje/data/31fdf37ee/ab078088faa8488fa613c287d9425661 [2024-11-09 05:00:49,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:00:49,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:00:49,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:00:49,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:00:49,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:00:49,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:00:49" (1/1) ... [2024-11-09 05:00:49,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dda6b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:49, skipping insertion in model container [2024-11-09 05:00:49,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:00:49" (1/1) ... [2024-11-09 05:00:49,506 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:00:52,403 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_a5abc25b-6255-4b99-ad24-0403e4c64ab2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2024-11-09 05:00:52,408 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_a5abc25b-6255-4b99-ad24-0403e4c64ab2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2024-11-09 05:00:52,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:00:52,467 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:00:52,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3837] [2024-11-09 05:00:52,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3892] [2024-11-09 05:00:52,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3895] [2024-11-09 05:00:52,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3898] [2024-11-09 05:00:52,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3901] [2024-11-09 05:00:52,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4621] [2024-11-09 05:00:52,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [4627] [2024-11-09 05:00:52,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [4742-4743] [2024-11-09 05:00:52,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [4749-4750] [2024-11-09 05:00:52,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [4756-4757] [2024-11-09 05:00:52,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___8->state): : "memory", "cc"); [4763-4764] [2024-11-09 05:00:52,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5499] [2024-11-09 05:00:52,931 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_a5abc25b-6255-4b99-ad24-0403e4c64ab2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2024-11-09 05:00:52,932 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_a5abc25b-6255-4b99-ad24-0403e4c64ab2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2024-11-09 05:00:52,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:00:53,100 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:00:53,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:53 WrapperNode [2024-11-09 05:00:53,101 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:00:53,102 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:00:53,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:00:53,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:00:53,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:53" (1/1) ... [2024-11-09 05:00:53,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:53" (1/1) ... [2024-11-09 05:00:53,456 INFO L138 Inliner]: procedures = 363, calls = 2984, calls flagged for inlining = 180, calls inlined = 136, statements flattened = 5266 [2024-11-09 05:00:53,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:00:53,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:00:53,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:00:53,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:00:53,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:53" (1/1) ... [2024-11-09 05:00:53,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:53" (1/1) ... [2024-11-09 05:00:53,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:53" (1/1) ... [2024-11-09 05:00:53,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:53" (1/1) ... [2024-11-09 05:00:53,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:53" (1/1) ... [2024-11-09 05:00:53,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:53" (1/1) ... [2024-11-09 05:00:53,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:53" (1/1) ... [2024-11-09 05:00:53,727 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:53" (1/1) ... [2024-11-09 05:00:53,772 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:00:53,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:00:53,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:00:53,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:00:53,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:53" (1/1) ... [2024-11-09 05:00:53,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:00:53,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5abc25b-6255-4b99-ad24-0403e4c64ab2/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:00:53,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5abc25b-6255-4b99-ad24-0403e4c64ab2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:00:53,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5abc25b-6255-4b99-ad24-0403e4c64ab2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:00:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-09 05:00:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-09 05:00:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-11-09 05:00:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-11-09 05:00:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 05:00:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 05:00:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 05:00:53,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 05:00:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 05:00:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 05:00:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2024-11-09 05:00:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2024-11-09 05:00:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-09 05:00:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-09 05:00:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2024-11-09 05:00:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2024-11-09 05:00:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 05:00:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 05:00:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2024-11-09 05:00:53,859 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2024-11-09 05:00:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2024-11-09 05:00:53,859 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2024-11-09 05:00:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 05:00:53,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 05:00:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2024-11-09 05:00:53,860 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2024-11-09 05:00:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2024-11-09 05:00:53,860 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2024-11-09 05:00:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2024-11-09 05:00:53,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2024-11-09 05:00:53,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2024-11-09 05:00:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2024-11-09 05:00:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:00:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2024-11-09 05:00:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2024-11-09 05:00:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:00:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-09 05:00:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-09 05:00:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-09 05:00:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-09 05:00:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2024-11-09 05:00:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2024-11-09 05:00:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:00:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 05:00:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2024-11-09 05:00:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2024-11-09 05:00:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 05:00:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 05:00:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 05:00:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 05:00:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2024-11-09 05:00:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2024-11-09 05:00:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-09 05:00:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-09 05:00:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-09 05:00:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-09 05:00:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-09 05:00:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-09 05:00:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-09 05:00:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-09 05:00:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2024-11-09 05:00:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2024-11-09 05:00:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2024-11-09 05:00:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2024-11-09 05:00:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 05:00:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-09 05:00:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-09 05:00:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-09 05:00:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-09 05:00:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2024-11-09 05:00:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2024-11-09 05:00:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 05:00:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-09 05:00:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-09 05:00:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-09 05:00:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-09 05:00:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2024-11-09 05:00:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2024-11-09 05:00:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2024-11-09 05:00:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2024-11-09 05:00:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:00:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2024-11-09 05:00:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2024-11-09 05:00:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2024-11-09 05:00:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2024-11-09 05:00:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 05:00:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 05:00:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-09 05:00:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-09 05:00:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-09 05:00:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-09 05:00:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-09 05:00:53,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-09 05:00:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-09 05:00:53,874 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-09 05:00:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-09 05:00:53,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-09 05:00:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2024-11-09 05:00:53,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2024-11-09 05:00:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 05:00:53,876 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 05:00:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:00:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2024-11-09 05:00:53,876 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2024-11-09 05:00:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-09 05:00:53,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-09 05:00:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2024-11-09 05:00:53,877 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2024-11-09 05:00:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2024-11-09 05:00:53,877 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2024-11-09 05:00:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 05:00:53,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 05:00:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:00:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-09 05:00:53,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-09 05:00:53,877 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2024-11-09 05:00:53,877 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2024-11-09 05:00:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-09 05:00:53,878 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-09 05:00:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:00:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-09 05:00:53,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-09 05:00:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:00:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2024-11-09 05:00:53,878 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2024-11-09 05:00:53,878 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2024-11-09 05:00:53,879 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2024-11-09 05:00:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2024-11-09 05:00:53,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2024-11-09 05:00:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-09 05:00:53,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-09 05:00:53,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2024-11-09 05:00:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2024-11-09 05:00:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2024-11-09 05:00:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2024-11-09 05:00:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2024-11-09 05:00:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2024-11-09 05:00:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-09 05:00:53,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-09 05:00:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-09 05:00:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-09 05:00:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2024-11-09 05:00:53,886 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2024-11-09 05:00:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2024-11-09 05:00:53,887 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2024-11-09 05:00:53,887 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2024-11-09 05:00:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2024-11-09 05:00:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:00:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-11-09 05:00:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-11-09 05:00:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-09 05:00:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-09 05:00:53,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:00:53,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:00:54,916 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:00:54,921 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:00:55,215 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 05:01:34,065 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-09 05:01:35,157 INFO L? ?]: Removed 1571 outVars from TransFormulas that were not future-live. [2024-11-09 05:01:35,157 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:01:37,076 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:01:37,080 INFO L316 CfgBuilder]: Removed 9 assume(true) statements. [2024-11-09 05:01:37,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:01:37 BoogieIcfgContainer [2024-11-09 05:01:37,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:01:37,085 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:01:37,086 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:01:37,091 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:01:37,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:00:49" (1/3) ... [2024-11-09 05:01:37,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5c6d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:01:37, skipping insertion in model container [2024-11-09 05:01:37,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:00:53" (2/3) ... [2024-11-09 05:01:37,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5c6d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:01:37, skipping insertion in model container [2024-11-09 05:01:37,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:01:37" (3/3) ... [2024-11-09 05:01:37,097 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2024-11-09 05:01:37,122 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:01:37,122 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:01:37,278 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:01:37,285 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;@74d57f19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:01:37,285 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:01:37,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 1246 states, 755 states have (on average 1.3139072847682118) internal successors, (992), 764 states have internal predecessors, (992), 423 states have call successors, (423), 69 states have call predecessors, (423), 68 states have return successors, (417), 416 states have call predecessors, (417), 417 states have call successors, (417) [2024-11-09 05:01:37,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-09 05:01:37,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:01:37,331 INFO L215 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:01:37,332 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:01:37,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:01:37,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1936867291, now seen corresponding path program 1 times [2024-11-09 05:01:37,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:01:37,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012799426] [2024-11-09 05:01:37,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:01:37,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:03:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:03:23,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2024-11-09 05:03:23,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:03:23,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012799426] [2024-11-09 05:03:23,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012799426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:03:23,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:03:23,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:03:23,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975195288] [2024-11-09 05:03:23,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:03:23,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:03:23,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:03:23,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:03:23,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:03:23,929 INFO L87 Difference]: Start difference. First operand has 1246 states, 755 states have (on average 1.3139072847682118) internal successors, (992), 764 states have internal predecessors, (992), 423 states have call successors, (423), 69 states have call predecessors, (423), 68 states have return successors, (417), 416 states have call predecessors, (417), 417 states have call successors, (417) Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-09 05:03:26,237 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 05:03:28,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:03:32,985 WARN L539 Checker$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 05:03:34,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:03:38,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:03:40,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:03:40,809 INFO L93 Difference]: Finished difference Result 3103 states and 4601 transitions. [2024-11-09 05:03:40,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:03:40,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 239 [2024-11-09 05:03:40,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:03:40,855 INFO L225 Difference]: With dead ends: 3103 [2024-11-09 05:03:40,856 INFO L226 Difference]: Without dead ends: 1822 [2024-11-09 05:03:40,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:03:40,874 INFO L432 NwaCegarLoop]: 1625 mSDtfsCounter, 946 mSDsluCounter, 1580 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 16 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 3205 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:03:40,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [946 Valid, 3205 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 446 Invalid, 3 Unknown, 0 Unchecked, 16.6s Time] [2024-11-09 05:03:40,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2024-11-09 05:03:41,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1818. [2024-11-09 05:03:41,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1818 states, 1127 states have (on average 1.31055900621118) internal successors, (1477), 1139 states have internal predecessors, (1477), 587 states have call successors, (587), 103 states have call predecessors, (587), 103 states have return successors, (587), 584 states have call predecessors, (587), 587 states have call successors, (587) [2024-11-09 05:03:41,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1818 states to 1818 states and 2651 transitions. [2024-11-09 05:03:41,152 INFO L78 Accepts]: Start accepts. Automaton has 1818 states and 2651 transitions. Word has length 239 [2024-11-09 05:03:41,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:03:41,154 INFO L471 AbstractCegarLoop]: Abstraction has 1818 states and 2651 transitions. [2024-11-09 05:03:41,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-09 05:03:41,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2651 transitions. [2024-11-09 05:03:41,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-09 05:03:41,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:03:41,182 INFO L215 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:03:41,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:03:41,183 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:03:41,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:03:41,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1528769337, now seen corresponding path program 1 times [2024-11-09 05:03:41,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:03:41,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636202189] [2024-11-09 05:03:41,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:03:41,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:05:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:17,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1409 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2024-11-09 05:05:17,701 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:05:17,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636202189] [2024-11-09 05:05:17,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636202189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:05:17,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:05:17,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:05:17,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017199408] [2024-11-09 05:05:17,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:05:17,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:05:17,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:05:17,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:05:17,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:05:17,707 INFO L87 Difference]: Start difference. First operand 1818 states and 2651 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-09 05:05:19,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:05:22,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:05:25,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:05:29,474 WARN L539 Checker$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 05:05:31,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:05:31,901 INFO L93 Difference]: Finished difference Result 5260 states and 7666 transitions. [2024-11-09 05:05:31,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:05:31,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 252 [2024-11-09 05:05:31,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:05:31,935 INFO L225 Difference]: With dead ends: 5260 [2024-11-09 05:05:31,936 INFO L226 Difference]: Without dead ends: 3481 [2024-11-09 05:05:31,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:05:31,951 INFO L432 NwaCegarLoop]: 1561 mSDtfsCounter, 1591 mSDsluCounter, 1535 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1591 SdHoareTripleChecker+Valid, 3096 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:05:31,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1591 Valid, 3096 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 420 Invalid, 3 Unknown, 0 Unchecked, 13.9s Time] [2024-11-09 05:05:31,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3481 states. [2024-11-09 05:05:32,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3481 to 3475. [2024-11-09 05:05:32,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3475 states, 2158 states have (on average 1.3123262279888785) internal successors, (2832), 2186 states have internal predecessors, (2832), 1113 states have call successors, (1113), 203 states have call predecessors, (1113), 203 states have return successors, (1113), 1103 states have call predecessors, (1113), 1113 states have call successors, (1113) [2024-11-09 05:05:32,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3475 states to 3475 states and 5058 transitions. [2024-11-09 05:05:32,240 INFO L78 Accepts]: Start accepts. Automaton has 3475 states and 5058 transitions. Word has length 252 [2024-11-09 05:05:32,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:05:32,245 INFO L471 AbstractCegarLoop]: Abstraction has 3475 states and 5058 transitions. [2024-11-09 05:05:32,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-09 05:05:32,245 INFO L276 IsEmpty]: Start isEmpty. Operand 3475 states and 5058 transitions. [2024-11-09 05:05:32,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-09 05:05:32,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:32,261 INFO L215 NwaCegarLoop]: trace histogram [21, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:05:32,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:05:32,261 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:05:32,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:32,266 INFO L85 PathProgramCache]: Analyzing trace with hash 115220043, now seen corresponding path program 1 times [2024-11-09 05:05:32,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:05:32,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368022582] [2024-11-09 05:05:32,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:32,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:07:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:07:03,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1455 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1446 trivial. 0 not checked. [2024-11-09 05:07:03,922 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:07:03,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368022582] [2024-11-09 05:07:03,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368022582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:07:03,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:07:03,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:07:03,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505634981] [2024-11-09 05:07:03,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:07:03,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:07:03,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:07:03,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:07:03,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:07:03,928 INFO L87 Difference]: Start difference. First operand 3475 states and 5058 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-09 05:07:06,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:07:08,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:07:11,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:07:13,503 WARN L539 Checker$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 05:07:18,679 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 05:07:21,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:07:21,204 INFO L93 Difference]: Finished difference Result 8094 states and 11758 transitions. [2024-11-09 05:07:21,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:07:21,206 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), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 255 [2024-11-09 05:07:21,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:07:21,241 INFO L225 Difference]: With dead ends: 8094 [2024-11-09 05:07:21,241 INFO L226 Difference]: Without dead ends: 4658 [2024-11-09 05:07:21,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:07:21,258 INFO L432 NwaCegarLoop]: 1566 mSDtfsCounter, 883 mSDsluCounter, 1547 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 883 SdHoareTripleChecker+Valid, 3113 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:07:21,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [883 Valid, 3113 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 405 Invalid, 5 Unknown, 0 Unchecked, 17.1s Time] [2024-11-09 05:07:21,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4658 states. [2024-11-09 05:07:21,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4658 to 4654. [2024-11-09 05:07:21,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4654 states, 2908 states have (on average 1.311898211829436) internal successors, (3815), 2942 states have internal predecessors, (3815), 1468 states have call successors, (1468), 277 states have call predecessors, (1468), 277 states have return successors, (1468), 1454 states have call predecessors, (1468), 1468 states have call successors, (1468) [2024-11-09 05:07:21,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4654 states to 4654 states and 6751 transitions. [2024-11-09 05:07:21,514 INFO L78 Accepts]: Start accepts. Automaton has 4654 states and 6751 transitions. Word has length 255 [2024-11-09 05:07:21,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:07:21,515 INFO L471 AbstractCegarLoop]: Abstraction has 4654 states and 6751 transitions. [2024-11-09 05:07:21,516 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), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-09 05:07:21,516 INFO L276 IsEmpty]: Start isEmpty. Operand 4654 states and 6751 transitions. [2024-11-09 05:07:21,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-11-09 05:07:21,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:07:21,525 INFO L215 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:07:21,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:07:21,525 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:07:21,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:07:21,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1186125003, now seen corresponding path program 1 times [2024-11-09 05:07:21,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:07:21,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230700431] [2024-11-09 05:07:21,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:07:21,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:08:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:08:53,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1409 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2024-11-09 05:08:53,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:08:53,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230700431] [2024-11-09 05:08:53,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230700431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:08:53,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:08:53,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:08:53,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467136629] [2024-11-09 05:08:53,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:08:53,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:08:53,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:08:53,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:08:53,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:08:53,499 INFO L87 Difference]: Start difference. First operand 4654 states and 6751 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-09 05:08:55,691 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 05:08:57,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:09:01,594 WARN L539 Checker$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 05:09:03,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:09:08,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:09:08,613 INFO L93 Difference]: Finished difference Result 13548 states and 19597 transitions. [2024-11-09 05:09:08,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:09:08,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 259 [2024-11-09 05:09:08,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:09:08,668 INFO L225 Difference]: With dead ends: 13548 [2024-11-09 05:09:08,668 INFO L226 Difference]: Without dead ends: 8933 [2024-11-09 05:09:08,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:09:08,690 INFO L432 NwaCegarLoop]: 1729 mSDtfsCounter, 1585 mSDsluCounter, 1535 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1585 SdHoareTripleChecker+Valid, 3264 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:09:08,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1585 Valid, 3264 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 448 Invalid, 3 Unknown, 0 Unchecked, 14.8s Time] [2024-11-09 05:09:08,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8933 states. [2024-11-09 05:09:09,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8933 to 8925. [2024-11-09 05:09:09,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8925 states, 5561 states have (on average 1.3035425283222442) internal successors, (7249), 5635 states have internal predecessors, (7249), 2809 states have call successors, (2809), 554 states have call predecessors, (2809), 554 states have return successors, (2809), 2775 states have call predecessors, (2809), 2809 states have call successors, (2809) [2024-11-09 05:09:09,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8925 states to 8925 states and 12867 transitions. [2024-11-09 05:09:09,355 INFO L78 Accepts]: Start accepts. Automaton has 8925 states and 12867 transitions. Word has length 259 [2024-11-09 05:09:09,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:09:09,356 INFO L471 AbstractCegarLoop]: Abstraction has 8925 states and 12867 transitions. [2024-11-09 05:09:09,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-09 05:09:09,357 INFO L276 IsEmpty]: Start isEmpty. Operand 8925 states and 12867 transitions. [2024-11-09 05:09:09,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-11-09 05:09:09,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:09:09,369 INFO L215 NwaCegarLoop]: trace histogram [21, 19, 19, 19, 19, 19, 19, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:09:09,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:09:09,369 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:09:09,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:09:09,370 INFO L85 PathProgramCache]: Analyzing trace with hash 945516968, now seen corresponding path program 1 times [2024-11-09 05:09:09,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:09:09,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466266364] [2024-11-09 05:09:09,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:09:09,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:11:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:11:10,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1455 trivial. 0 not checked. [2024-11-09 05:11:10,502 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:11:10,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466266364] [2024-11-09 05:11:10,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466266364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:11:10,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:11:10,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:11:10,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091313537] [2024-11-09 05:11:10,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:11:10,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:11:10,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:11:10,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:11:10,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:11:10,506 INFO L87 Difference]: Start difference. First operand 8925 states and 12867 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-09 05:11:12,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:15,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:11:22,289 WARN L539 Checker$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 05:11:24,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:11:24,718 INFO L93 Difference]: Finished difference Result 18390 states and 26420 transitions. [2024-11-09 05:11:24,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:11:24,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 268 [2024-11-09 05:11:24,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:11:24,795 INFO L225 Difference]: With dead ends: 18390 [2024-11-09 05:11:24,795 INFO L226 Difference]: Without dead ends: 9504 [2024-11-09 05:11:24,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:11:24,838 INFO L432 NwaCegarLoop]: 1570 mSDtfsCounter, 677 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 3088 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:11:24,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 3088 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 420 Invalid, 3 Unknown, 0 Unchecked, 13.9s Time] [2024-11-09 05:11:24,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9504 states. [2024-11-09 05:11:25,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9504 to 9502. [2024-11-09 05:11:25,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9502 states, 5922 states have (on average 1.298885511651469) internal successors, (7692), 5997 states have internal predecessors, (7692), 2956 states have call successors, (2956), 623 states have call predecessors, (2956), 623 states have return successors, (2956), 2922 states have call predecessors, (2956), 2956 states have call successors, (2956) [2024-11-09 05:11:25,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9502 states to 9502 states and 13604 transitions. [2024-11-09 05:11:25,393 INFO L78 Accepts]: Start accepts. Automaton has 9502 states and 13604 transitions. Word has length 268 [2024-11-09 05:11:25,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:11:25,394 INFO L471 AbstractCegarLoop]: Abstraction has 9502 states and 13604 transitions. [2024-11-09 05:11:25,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-09 05:11:25,395 INFO L276 IsEmpty]: Start isEmpty. Operand 9502 states and 13604 transitions. [2024-11-09 05:11:25,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-09 05:11:25,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:11:25,404 INFO L215 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:11:25,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:11:25,404 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:11:25,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:11:25,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1567653880, now seen corresponding path program 1 times [2024-11-09 05:11:25,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:11:25,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218644404] [2024-11-09 05:11:25,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:11:25,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:13:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:13:09,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2024-11-09 05:13:09,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:13:09,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218644404] [2024-11-09 05:13:09,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218644404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:13:09,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:13:09,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:13:09,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494697088] [2024-11-09 05:13:09,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:13:09,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:13:09,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:13:09,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:13:09,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:13:09,881 INFO L87 Difference]: Start difference. First operand 9502 states and 13604 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-09 05:13:12,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:13:14,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:13:19,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:13:20,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:13:22,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:13:24,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:13:24,116 INFO L93 Difference]: Finished difference Result 26867 states and 38327 transitions. [2024-11-09 05:13:24,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:13:24,118 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), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 280 [2024-11-09 05:13:24,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:13:24,228 INFO L225 Difference]: With dead ends: 26867 [2024-11-09 05:13:24,229 INFO L226 Difference]: Without dead ends: 17404 [2024-11-09 05:13:24,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:13:24,276 INFO L432 NwaCegarLoop]: 1557 mSDtfsCounter, 1538 mSDsluCounter, 1527 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1538 SdHoareTripleChecker+Valid, 3084 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:13:24,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1538 Valid, 3084 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 431 Invalid, 2 Unknown, 0 Unchecked, 13.6s Time] [2024-11-09 05:13:24,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17404 states. [2024-11-09 05:13:25,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17404 to 17378. [2024-11-09 05:13:25,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17378 states, 10874 states have (on average 1.2929004965973883) internal successors, (14059), 11047 states have internal predecessors, (14059), 5290 states have call successors, (5290), 1213 states have call predecessors, (5290), 1213 states have return successors, (5290), 5198 states have call predecessors, (5290), 5290 states have call successors, (5290) [2024-11-09 05:13:25,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17378 states to 17378 states and 24639 transitions. [2024-11-09 05:13:25,278 INFO L78 Accepts]: Start accepts. Automaton has 17378 states and 24639 transitions. Word has length 280 [2024-11-09 05:13:25,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:13:25,279 INFO L471 AbstractCegarLoop]: Abstraction has 17378 states and 24639 transitions. [2024-11-09 05:13:25,282 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), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-09 05:13:25,282 INFO L276 IsEmpty]: Start isEmpty. Operand 17378 states and 24639 transitions. [2024-11-09 05:13:25,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2024-11-09 05:13:25,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:13:25,296 INFO L215 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:13:25,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:13:25,296 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:13:25,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:13:25,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1877019114, now seen corresponding path program 1 times [2024-11-09 05:13:25,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:13:25,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553832271] [2024-11-09 05:13:25,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:13:25,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:15:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:15:02,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2024-11-09 05:15:02,033 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:15:02,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553832271] [2024-11-09 05:15:02,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553832271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:15:02,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:15:02,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:15:02,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701032039] [2024-11-09 05:15:02,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:15:02,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:15:02,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:15:02,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:15:02,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:15:02,038 INFO L87 Difference]: Start difference. First operand 17378 states and 24639 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, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-09 05:15:04,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:15:06,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:15:10,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:15:12,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:15:14,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 05:15:17,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:15:17,069 INFO L93 Difference]: Finished difference Result 47842 states and 67638 transitions. [2024-11-09 05:15:17,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:15:17,071 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, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 289 [2024-11-09 05:15:17,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:15:17,241 INFO L225 Difference]: With dead ends: 47842 [2024-11-09 05:15:17,241 INFO L226 Difference]: Without dead ends: 30503 [2024-11-09 05:15:17,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:15:17,299 INFO L432 NwaCegarLoop]: 1786 mSDtfsCounter, 1520 mSDsluCounter, 1527 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1520 SdHoareTripleChecker+Valid, 3313 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:15:17,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1520 Valid, 3313 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 460 Invalid, 2 Unknown, 0 Unchecked, 14.1s Time] [2024-11-09 05:15:17,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30503 states. [2024-11-09 05:15:18,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30503 to 30477. [2024-11-09 05:15:18,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30477 states, 19201 states have (on average 1.2849851570230717) internal successors, (24673), 19557 states have internal predecessors, (24673), 9067 states have call successors, (9067), 2208 states have call predecessors, (9067), 2208 states have return successors, (9067), 8859 states have call predecessors, (9067), 9067 states have call successors, (9067) [2024-11-09 05:15:19,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30477 states to 30477 states and 42807 transitions. [2024-11-09 05:15:19,065 INFO L78 Accepts]: Start accepts. Automaton has 30477 states and 42807 transitions. Word has length 289 [2024-11-09 05:15:19,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:15:19,065 INFO L471 AbstractCegarLoop]: Abstraction has 30477 states and 42807 transitions. [2024-11-09 05:15:19,066 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, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-09 05:15:19,068 INFO L276 IsEmpty]: Start isEmpty. Operand 30477 states and 42807 transitions. [2024-11-09 05:15:19,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-11-09 05:15:19,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:15:19,100 INFO L215 NwaCegarLoop]: trace histogram [24, 19, 19, 19, 19, 19, 19, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:15:19,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 05:15:19,101 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:15:19,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:15:19,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1887962987, now seen corresponding path program 1 times [2024-11-09 05:15:19,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:15:19,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405576858] [2024-11-09 05:15:19,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:15:19,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms