./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 93c428ff6f0565c9de954639ae23000ff5693477bac9f291339fc811e0689668 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 21:22:42,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 21:22:42,790 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 21:22:42,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 21:22:42,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 21:22:42,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 21:22:42,828 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 21:22:42,828 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 21:22:42,829 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 21:22:42,830 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 21:22:42,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 21:22:42,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 21:22:42,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 21:22:42,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 21:22:42,834 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 21:22:42,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 21:22:42,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 21:22:42,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 21:22:42,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 21:22:42,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 21:22:42,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 21:22:42,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 21:22:42,840 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 21:22:42,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 21:22:42,841 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 21:22:42,841 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 21:22:42,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 21:22:42,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 21:22:42,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 21:22:42,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 21:22:42,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 21:22:42,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 21:22:42,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 21:22:42,843 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 21:22:42,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 21:22:42,844 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 21:22:42,844 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 21:22:42,845 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 21:22:42,845 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 21:22:42,845 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93c428ff6f0565c9de954639ae23000ff5693477bac9f291339fc811e0689668 [2024-11-16 21:22:43,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 21:22:43,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 21:22:43,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 21:22:43,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 21:22:43,123 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 21:22:43,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i [2024-11-16 21:22:44,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 21:22:44,944 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 21:22:44,945 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i [2024-11-16 21:22:44,973 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35c585d6f/4f477230457640f79e27f9035ed023d2/FLAGde3417ccc [2024-11-16 21:22:45,122 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35c585d6f/4f477230457640f79e27f9035ed023d2 [2024-11-16 21:22:45,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 21:22:45,128 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 21:22:45,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 21:22:45,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 21:22:45,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 21:22:45,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:22:45" (1/1) ... [2024-11-16 21:22:45,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21454a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:45, skipping insertion in model container [2024-11-16 21:22:45,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:22:45" (1/1) ... [2024-11-16 21:22:45,231 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 21:22:46,231 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i[129978,129991] [2024-11-16 21:22:46,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 21:22:46,445 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 21:22:46,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [3226-3227] [2024-11-16 21:22:46,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3238-3239] [2024-11-16 21:22:46,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3242-3243] [2024-11-16 21:22:46,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3246-3247] [2024-11-16 21:22:46,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3250-3251] [2024-11-16 21:22:46,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp): "ebx"); [3767] [2024-11-16 21:22:46,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp___0): "ebx"); [3772] [2024-11-16 21:22:46,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp___1): "ebx"); [3777] [2024-11-16 21:22:46,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp___2): "ebx"); [3782] [2024-11-16 21:22:46,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (tmp___3): "ebx"); [3787] [2024-11-16 21:22:46,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (tmp), "i" (1UL)); [3886-3887] [2024-11-16 21:22:46,627 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i[129978,129991] [2024-11-16 21:22:46,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 21:22:46,726 INFO L204 MainTranslator]: Completed translation [2024-11-16 21:22:46,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:46 WrapperNode [2024-11-16 21:22:46,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 21:22:46,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 21:22:46,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 21:22:46,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 21:22:46,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:46" (1/1) ... [2024-11-16 21:22:46,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:46" (1/1) ... [2024-11-16 21:22:46,885 INFO L138 Inliner]: procedures = 190, calls = 552, calls flagged for inlining = 74, calls inlined = 69, statements flattened = 1714 [2024-11-16 21:22:46,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 21:22:46,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 21:22:46,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 21:22:46,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 21:22:46,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:46" (1/1) ... [2024-11-16 21:22:46,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:46" (1/1) ... [2024-11-16 21:22:46,921 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:46" (1/1) ... [2024-11-16 21:22:47,082 INFO L175 MemorySlicer]: Split 205 memory accesses to 7 slices as follows [2, 4, 23, 122, 27, 14, 13]. 60 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 2, 0, 0, 0]. The 128 writes are split as follows [0, 2, 23, 62, 27, 12, 2]. [2024-11-16 21:22:47,083 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:46" (1/1) ... [2024-11-16 21:22:47,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:46" (1/1) ... [2024-11-16 21:22:47,124 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:46" (1/1) ... [2024-11-16 21:22:47,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:46" (1/1) ... [2024-11-16 21:22:47,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:46" (1/1) ... [2024-11-16 21:22:47,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:46" (1/1) ... [2024-11-16 21:22:47,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 21:22:47,165 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 21:22:47,165 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 21:22:47,165 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 21:22:47,166 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:46" (1/1) ... [2024-11-16 21:22:47,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 21:22:47,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 21:22:47,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 21:22:47,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 21:22:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_serio_raw_mutex [2024-11-16 21:22:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_serio_raw_mutex [2024-11-16 21:22:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 21:22:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 21:22:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 21:22:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 21:22:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 21:22:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 21:22:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 21:22:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-16 21:22:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-16 21:22:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 21:22:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 21:22:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 21:22:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 21:22:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 21:22:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 21:22:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 21:22:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-16 21:22:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-16 21:22:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 21:22:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 21:22:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 21:22:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 21:22:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 21:22:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 21:22:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 21:22:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-16 21:22:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-16 21:22:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-16 21:22:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-16 21:22:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-16 21:22:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-16 21:22:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2024-11-16 21:22:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2024-11-16 21:22:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-16 21:22:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-16 21:22:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-16 21:22:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-16 21:22:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 21:22:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 21:22:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 21:22:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 21:22:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 21:22:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 21:22:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 21:22:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-16 21:22:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-16 21:22:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-16 21:22:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-16 21:22:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-16 21:22:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-16 21:22:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-16 21:22:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-16 21:22:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-16 21:22:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-16 21:22:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_disconnect [2024-11-16 21:22:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_disconnect [2024-11-16 21:22:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure serio_continue_rx [2024-11-16 21:22:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_continue_rx [2024-11-16 21:22:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-16 21:22:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-16 21:22:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 21:22:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 21:22:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 21:22:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_poll [2024-11-16 21:22:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_poll [2024-11-16 21:22:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-16 21:22:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-16 21:22:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-16 21:22:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-16 21:22:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 21:22:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-16 21:22:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-16 21:22:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 21:22:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure serio_set_drvdata [2024-11-16 21:22:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_set_drvdata [2024-11-16 21:22:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 21:22:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 21:22:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 21:22:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 21:22:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 21:22:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 21:22:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 21:22:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-16 21:22:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-16 21:22:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-16 21:22:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-16 21:22:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2024-11-16 21:22:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2024-11-16 21:22:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 21:22:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 21:22:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 21:22:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 21:22:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 21:22:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 21:22:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 21:22:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-16 21:22:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-16 21:22:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure serio_pause_rx [2024-11-16 21:22:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_pause_rx [2024-11-16 21:22:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-16 21:22:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-16 21:22:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2024-11-16 21:22:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2024-11-16 21:22:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 21:22:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 21:22:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 21:22:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 21:22:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 21:22:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 21:22:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 21:22:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 21:22:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2024-11-16 21:22:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2024-11-16 21:22:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure serio_get_drvdata [2024-11-16 21:22:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_get_drvdata [2024-11-16 21:22:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-16 21:22:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-16 21:22:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_serio_raw_mutex [2024-11-16 21:22:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_serio_raw_mutex [2024-11-16 21:22:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-16 21:22:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-16 21:22:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-16 21:22:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-16 21:22:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure serio_close [2024-11-16 21:22:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_close [2024-11-16 21:22:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_serio_raw_mutex [2024-11-16 21:22:47,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_serio_raw_mutex [2024-11-16 21:22:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 21:22:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 21:22:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 21:22:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 21:22:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 21:22:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 21:22:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 21:22:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_write [2024-11-16 21:22:47,265 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_write [2024-11-16 21:22:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_fasync [2024-11-16 21:22:47,265 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_fasync [2024-11-16 21:22:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 21:22:47,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 21:22:47,702 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 21:22:47,709 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 21:22:47,835 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-16 21:22:47,987 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5308: havoc misc_deregister_#t~nondet321#1; [2024-11-16 21:22:48,112 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5312: havoc #t~nondet322; [2024-11-16 21:22:48,122 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5319: havoc #t~nondet323; [2024-11-16 21:22:48,154 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3529: havoc dev_get_drvdata_#t~mem90#1.base, dev_get_drvdata_#t~mem90#1.offset; [2024-11-16 21:22:48,198 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3406: havoc __kmalloc_#t~ret56#1.base, __kmalloc_#t~ret56#1.offset; [2024-11-16 21:22:48,267 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4488-1: ldv_mutex_lock_interruptible_14_#res#1 := ldv_mutex_lock_interruptible_14_~ldv_func_res~2#1; [2024-11-16 21:22:48,286 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5289: havoc fasync_helper_#t~nondet319#1; [2024-11-16 21:22:53,009 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5323: havoc mutex_lock_killable_#t~nondet324#1; [2024-11-16 21:22:53,009 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3507: havoc iminor_#t~mem72#1; [2024-11-16 21:22:53,010 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4467-1: ldv_mutex_lock_interruptible_12_#res#1 := ldv_mutex_lock_interruptible_12_~ldv_func_res~1#1; [2024-11-16 21:22:53,010 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5295: havoc get_device_#t~ret320#1.base, get_device_#t~ret320#1.offset; [2024-11-16 21:22:53,011 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3976: call ULTIMATE.dealloc(serio_raw_connect_~#serio_raw_no~0#1.base, serio_raw_connect_~#serio_raw_no~0#1.offset);havoc serio_raw_connect_~#serio_raw_no~0#1.base, serio_raw_connect_~#serio_raw_no~0#1.offset;call ULTIMATE.dealloc(serio_raw_connect_~#descriptor~0#1.base, serio_raw_connect_~#descriptor~0#1.offset);havoc serio_raw_connect_~#descriptor~0#1.base, serio_raw_connect_~#descriptor~0#1.offset;call ULTIMATE.dealloc(serio_raw_connect_~#__key~0#1.base, serio_raw_connect_~#__key~0#1.offset);havoc serio_raw_connect_~#__key~0#1.base, serio_raw_connect_~#__key~0#1.offset; [2024-11-16 21:22:53,011 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4175: call ULTIMATE.dealloc(main_~#ldvarg1~0#1.base, main_~#ldvarg1~0#1.offset);havoc main_~#ldvarg1~0#1.base, main_~#ldvarg1~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg0~0#1.base, main_~#ldvarg0~0#1.offset);havoc main_~#ldvarg0~0#1.base, main_~#ldvarg0~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg3~0#1.base, main_~#ldvarg3~0#1.offset);havoc main_~#ldvarg3~0#1.base, main_~#ldvarg3~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg12~0#1.base, main_~#ldvarg12~0#1.offset);havoc main_~#ldvarg12~0#1.base, main_~#ldvarg12~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg5~0#1.base, main_~#ldvarg5~0#1.offset);havoc main_~#ldvarg5~0#1.base, main_~#ldvarg5~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg6~0#1.base, main_~#ldvarg6~0#1.offset);havoc main_~#ldvarg6~0#1.base, main_~#ldvarg6~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg4~0#1.base, main_~#ldvarg4~0#1.offset);havoc main_~#ldvarg4~0#1.base, main_~#ldvarg4~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg9~0#1.base, main_~#ldvarg9~0#1.offset);havoc main_~#ldvarg9~0#1.base, main_~#ldvarg9~0#1.offset; [2024-11-16 21:22:53,011 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5334: havoc noop_llseek_#t~nondet326#1; [2024-11-16 21:22:53,011 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4509-1: ldv_mutex_lock_killable_16_#res#1 := ldv_mutex_lock_killable_16_~ldv_func_res~3#1; [2024-11-16 21:22:53,012 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5270: havoc __serio_register_driver_#t~nondet318#1; [2024-11-16 21:22:53,012 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5338: havoc prepare_to_wait_event_#t~nondet327#1; [2024-11-16 21:22:53,012 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3724: call ULTIMATE.dealloc(serio_raw_read_~#c~1#1.base, serio_raw_read_~#c~1#1.offset);havoc serio_raw_read_~#c~1#1.base, serio_raw_read_~#c~1#1.offset;call ULTIMATE.dealloc(serio_raw_read_~#__wait~0#1.base, serio_raw_read_~#__wait~0#1.offset);havoc serio_raw_read_~#__wait~0#1.base, serio_raw_read_~#__wait~0#1.offset; [2024-11-16 21:22:53,012 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4057: call ULTIMATE.dealloc(serio_raw_reconnect_~#descriptor~1#1.base, serio_raw_reconnect_~#descriptor~1#1.offset);havoc serio_raw_reconnect_~#descriptor~1#1.base, serio_raw_reconnect_~#descriptor~1#1.offset; [2024-11-16 21:22:53,012 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5351: havoc serio_open_#t~nondet328#1; [2024-11-16 21:22:53,263 INFO L? ?]: Removed 766 outVars from TransFormulas that were not future-live. [2024-11-16 21:22:53,263 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 21:22:53,310 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 21:22:53,310 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 21:22:53,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:22:53 BoogieIcfgContainer [2024-11-16 21:22:53,310 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 21:22:53,316 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 21:22:53,316 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 21:22:53,319 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 21:22:53,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 09:22:45" (1/3) ... [2024-11-16 21:22:53,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45704208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:22:53, skipping insertion in model container [2024-11-16 21:22:53,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:22:46" (2/3) ... [2024-11-16 21:22:53,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45704208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:22:53, skipping insertion in model container [2024-11-16 21:22:53,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:22:53" (3/3) ... [2024-11-16 21:22:53,323 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i [2024-11-16 21:22:53,340 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 21:22:53,341 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 21:22:53,440 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 21:22:53,449 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=PETRI_NET, 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;@2616bb7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 21:22:53,449 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 21:22:53,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 567 states, 411 states have (on average 1.3090024330900243) internal successors, (538), 428 states have internal predecessors, (538), 115 states have call successors, (115), 40 states have call predecessors, (115), 39 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-16 21:22:53,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-16 21:22:53,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 21:22:53,476 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 21:22:53,477 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 21:22:53,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 21:22:53,483 INFO L85 PathProgramCache]: Analyzing trace with hash 748929669, now seen corresponding path program 1 times [2024-11-16 21:22:53,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 21:22:53,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424501693] [2024-11-16 21:22:53,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 21:22:53,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 21:22:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:54,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:22:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:22:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:22:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 21:22:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:22:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:22:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 21:22:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:22:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:22:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 21:22:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:22:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:22:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 21:22:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:22:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:22:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 21:22:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:22:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:22:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 21:22:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 21:22:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 21:22:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 21:22:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 21:22:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 21:22:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 21:22:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 21:22:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:22:55,340 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-16 21:22:55,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 21:22:55,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424501693] [2024-11-16 21:22:55,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424501693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 21:22:55,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 21:22:55,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 21:22:55,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542274406] [2024-11-16 21:22:55,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 21:22:55,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 21:22:55,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 21:22:55,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 21:22:55,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 21:22:55,382 INFO L87 Difference]: Start difference. First operand has 567 states, 411 states have (on average 1.3090024330900243) internal successors, (538), 428 states have internal predecessors, (538), 115 states have call successors, (115), 40 states have call predecessors, (115), 39 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 21:22:59,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:23:03,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:23:05,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 21:23:05,821 INFO L93 Difference]: Finished difference Result 1153 states and 1596 transitions. [2024-11-16 21:23:05,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 21:23:05,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 169 [2024-11-16 21:23:05,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 21:23:05,838 INFO L225 Difference]: With dead ends: 1153 [2024-11-16 21:23:05,838 INFO L226 Difference]: Without dead ends: 580 [2024-11-16 21:23:05,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-16 21:23:05,847 INFO L432 NwaCegarLoop]: 481 mSDtfsCounter, 409 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 261 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-16 21:23:05,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 1403 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 680 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2024-11-16 21:23:05,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-11-16 21:23:05,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 556. [2024-11-16 21:23:05,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 406 states have (on average 1.29064039408867) internal successors, (524), 417 states have internal predecessors, (524), 111 states have call successors, (111), 39 states have call predecessors, (111), 38 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-16 21:23:05,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 738 transitions. [2024-11-16 21:23:05,940 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 738 transitions. Word has length 169 [2024-11-16 21:23:05,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 21:23:05,942 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 738 transitions. [2024-11-16 21:23:05,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 21:23:05,943 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 738 transitions. [2024-11-16 21:23:05,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-16 21:23:05,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 21:23:05,950 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 21:23:05,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 21:23:05,950 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 21:23:05,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 21:23:05,951 INFO L85 PathProgramCache]: Analyzing trace with hash -141891009, now seen corresponding path program 1 times [2024-11-16 21:23:05,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 21:23:05,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317757466] [2024-11-16 21:23:05,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 21:23:05,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 21:23:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:23:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 21:23:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 21:23:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 21:23:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 21:23:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 21:23:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 21:23:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 21:23:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 21:23:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 21:23:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 21:23:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 21:23:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 21:23:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 21:23:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:07,259 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-16 21:23:07,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 21:23:07,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317757466] [2024-11-16 21:23:07,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317757466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 21:23:07,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 21:23:07,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 21:23:07,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828924169] [2024-11-16 21:23:07,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 21:23:07,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 21:23:07,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 21:23:07,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 21:23:07,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 21:23:07,267 INFO L87 Difference]: Start difference. First operand 556 states and 738 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-16 21:23:11,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:23:15,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:23:19,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:23:23,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 21:23:23,242 INFO L93 Difference]: Finished difference Result 1619 states and 2151 transitions. [2024-11-16 21:23:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 21:23:23,242 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 169 [2024-11-16 21:23:23,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 21:23:23,256 INFO L225 Difference]: With dead ends: 1619 [2024-11-16 21:23:23,256 INFO L226 Difference]: Without dead ends: 1099 [2024-11-16 21:23:23,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-16 21:23:23,259 INFO L432 NwaCegarLoop]: 469 mSDtfsCounter, 1323 mSDsluCounter, 1273 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 554 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1397 SdHoareTripleChecker+Valid, 1742 SdHoareTripleChecker+Invalid, 1627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 554 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2024-11-16 21:23:23,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1397 Valid, 1742 Invalid, 1627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [554 Valid, 1070 Invalid, 3 Unknown, 0 Unchecked, 15.6s Time] [2024-11-16 21:23:23,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2024-11-16 21:23:23,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1048. [2024-11-16 21:23:23,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 773 states have (on average 1.2936610608020698) internal successors, (1000), 788 states have internal predecessors, (1000), 199 states have call successors, (199), 76 states have call predecessors, (199), 75 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) [2024-11-16 21:23:23,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1390 transitions. [2024-11-16 21:23:23,342 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1390 transitions. Word has length 169 [2024-11-16 21:23:23,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 21:23:23,343 INFO L471 AbstractCegarLoop]: Abstraction has 1048 states and 1390 transitions. [2024-11-16 21:23:23,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-16 21:23:23,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1390 transitions. [2024-11-16 21:23:23,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-16 21:23:23,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 21:23:23,346 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 21:23:23,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 21:23:23,347 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 21:23:23,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 21:23:23,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1341547896, now seen corresponding path program 1 times [2024-11-16 21:23:23,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 21:23:23,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705518314] [2024-11-16 21:23:23,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 21:23:23,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 21:23:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:23:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 21:23:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 21:23:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 21:23:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 21:23:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 21:23:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 21:23:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 21:23:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 21:23:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 21:23:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 21:23:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 21:23:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 21:23:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 21:23:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-16 21:23:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:24,337 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-16 21:23:24,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 21:23:24,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705518314] [2024-11-16 21:23:24,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705518314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 21:23:24,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 21:23:24,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 21:23:24,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129815279] [2024-11-16 21:23:24,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 21:23:24,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 21:23:24,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 21:23:24,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 21:23:24,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 21:23:24,341 INFO L87 Difference]: Start difference. First operand 1048 states and 1390 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 21:23:28,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:23:32,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:23:35,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 21:23:35,467 INFO L93 Difference]: Finished difference Result 2636 states and 3438 transitions. [2024-11-16 21:23:35,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 21:23:35,468 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 175 [2024-11-16 21:23:35,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 21:23:35,479 INFO L225 Difference]: With dead ends: 2636 [2024-11-16 21:23:35,479 INFO L226 Difference]: Without dead ends: 1624 [2024-11-16 21:23:35,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-16 21:23:35,485 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 1193 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 614 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1240 SdHoareTripleChecker+Valid, 1420 SdHoareTripleChecker+Invalid, 1464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 614 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2024-11-16 21:23:35,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1240 Valid, 1420 Invalid, 1464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [614 Valid, 848 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2024-11-16 21:23:35,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2024-11-16 21:23:35,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1545. [2024-11-16 21:23:35,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1137 states have (on average 1.2708883025505717) internal successors, (1445), 1162 states have internal predecessors, (1445), 272 states have call successors, (272), 132 states have call predecessors, (272), 135 states have return successors, (280), 260 states have call predecessors, (280), 264 states have call successors, (280) [2024-11-16 21:23:35,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1997 transitions. [2024-11-16 21:23:35,643 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1997 transitions. Word has length 175 [2024-11-16 21:23:35,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 21:23:35,646 INFO L471 AbstractCegarLoop]: Abstraction has 1545 states and 1997 transitions. [2024-11-16 21:23:35,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 21:23:35,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1997 transitions. [2024-11-16 21:23:35,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-16 21:23:35,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 21:23:35,650 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 21:23:35,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 21:23:35,651 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 21:23:35,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 21:23:35,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1104790488, now seen corresponding path program 1 times [2024-11-16 21:23:35,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 21:23:35,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254645811] [2024-11-16 21:23:35,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 21:23:35,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 21:23:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:23:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 21:23:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 21:23:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 21:23:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 21:23:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 21:23:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 21:23:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 21:23:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 21:23:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 21:23:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 21:23:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 21:23:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 21:23:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 21:23:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:36,764 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-16 21:23:36,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 21:23:36,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254645811] [2024-11-16 21:23:36,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254645811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 21:23:36,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 21:23:36,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 21:23:36,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745034258] [2024-11-16 21:23:36,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 21:23:36,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 21:23:36,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 21:23:36,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 21:23:36,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 21:23:36,768 INFO L87 Difference]: Start difference. First operand 1545 states and 1997 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-16 21:23:40,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:23:44,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:23:47,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 21:23:47,504 INFO L93 Difference]: Finished difference Result 1621 states and 2095 transitions. [2024-11-16 21:23:47,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 21:23:47,505 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 174 [2024-11-16 21:23:47,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 21:23:47,514 INFO L225 Difference]: With dead ends: 1621 [2024-11-16 21:23:47,514 INFO L226 Difference]: Without dead ends: 1609 [2024-11-16 21:23:47,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-16 21:23:47,516 INFO L432 NwaCegarLoop]: 481 mSDtfsCounter, 1006 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 343 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 1413 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 343 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2024-11-16 21:23:47,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1089 Valid, 1413 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [343 Valid, 689 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2024-11-16 21:23:47,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1609 states. [2024-11-16 21:23:47,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1609 to 1545. [2024-11-16 21:23:47,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1137 states have (on average 1.2691292875989446) internal successors, (1443), 1162 states have internal predecessors, (1443), 272 states have call successors, (272), 132 states have call predecessors, (272), 135 states have return successors, (280), 260 states have call predecessors, (280), 264 states have call successors, (280) [2024-11-16 21:23:47,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1995 transitions. [2024-11-16 21:23:47,590 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1995 transitions. Word has length 174 [2024-11-16 21:23:47,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 21:23:47,592 INFO L471 AbstractCegarLoop]: Abstraction has 1545 states and 1995 transitions. [2024-11-16 21:23:47,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-16 21:23:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1995 transitions. [2024-11-16 21:23:47,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-16 21:23:47,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 21:23:47,595 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 21:23:47,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 21:23:47,595 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 21:23:47,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 21:23:47,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1992294169, now seen corresponding path program 1 times [2024-11-16 21:23:47,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 21:23:47,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754559820] [2024-11-16 21:23:47,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 21:23:47,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 21:23:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:23:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 21:23:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 21:23:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 21:23:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 21:23:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 21:23:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 21:23:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 21:23:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 21:23:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 21:23:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 21:23:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 21:23:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 21:23:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 21:23:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:48,562 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-16 21:23:48,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 21:23:48,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754559820] [2024-11-16 21:23:48,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754559820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 21:23:48,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 21:23:48,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 21:23:48,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764459330] [2024-11-16 21:23:48,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 21:23:48,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 21:23:48,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 21:23:48,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 21:23:48,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 21:23:48,564 INFO L87 Difference]: Start difference. First operand 1545 states and 1995 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 21:23:52,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:23:56,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:23:58,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 21:23:58,794 INFO L93 Difference]: Finished difference Result 1600 states and 2067 transitions. [2024-11-16 21:23:58,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 21:23:58,795 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 174 [2024-11-16 21:23:58,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 21:23:58,804 INFO L225 Difference]: With dead ends: 1600 [2024-11-16 21:23:58,804 INFO L226 Difference]: Without dead ends: 1596 [2024-11-16 21:23:58,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-16 21:23:58,806 INFO L432 NwaCegarLoop]: 466 mSDtfsCounter, 977 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 339 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1039 SdHoareTripleChecker+Valid, 1359 SdHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 339 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-11-16 21:23:58,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1039 Valid, 1359 Invalid, 1020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [339 Valid, 679 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2024-11-16 21:23:58,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1596 states. [2024-11-16 21:23:58,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1596 to 1544. [2024-11-16 21:23:58,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 1137 states have (on average 1.268249780123131) internal successors, (1442), 1161 states have internal predecessors, (1442), 271 states have call successors, (271), 132 states have call predecessors, (271), 135 states have return successors, (280), 260 states have call predecessors, (280), 264 states have call successors, (280) [2024-11-16 21:23:58,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 1993 transitions. [2024-11-16 21:23:58,919 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 1993 transitions. Word has length 174 [2024-11-16 21:23:58,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 21:23:58,919 INFO L471 AbstractCegarLoop]: Abstraction has 1544 states and 1993 transitions. [2024-11-16 21:23:58,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 21:23:58,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 1993 transitions. [2024-11-16 21:23:58,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-16 21:23:58,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 21:23:58,923 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 21:23:58,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 21:23:58,923 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 21:23:58,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 21:23:58,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1613986072, now seen corresponding path program 1 times [2024-11-16 21:23:58,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 21:23:58,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659399539] [2024-11-16 21:23:58,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 21:23:58,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 21:23:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:23:59,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 21:23:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 21:23:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 21:23:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 21:23:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 21:23:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:23:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:23:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 21:23:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 21:23:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 21:23:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 21:23:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 21:23:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 21:23:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 21:23:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 21:23:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:23:59,954 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-16 21:23:59,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 21:23:59,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659399539] [2024-11-16 21:23:59,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659399539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 21:23:59,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 21:23:59,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 21:23:59,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053590019] [2024-11-16 21:23:59,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 21:23:59,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 21:23:59,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 21:23:59,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 21:23:59,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 21:23:59,957 INFO L87 Difference]: Start difference. First operand 1544 states and 1993 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 21:24:03,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:24:08,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:24:09,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 21:24:09,843 INFO L93 Difference]: Finished difference Result 1599 states and 2065 transitions. [2024-11-16 21:24:09,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 21:24:09,844 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 175 [2024-11-16 21:24:09,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 21:24:09,852 INFO L225 Difference]: With dead ends: 1599 [2024-11-16 21:24:09,852 INFO L226 Difference]: Without dead ends: 1595 [2024-11-16 21:24:09,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-16 21:24:09,854 INFO L432 NwaCegarLoop]: 465 mSDtfsCounter, 974 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 335 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-16 21:24:09,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1035 Valid, 1355 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [335 Valid, 685 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2024-11-16 21:24:09,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1595 states. [2024-11-16 21:24:09,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1595 to 1543. [2024-11-16 21:24:09,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1137 states have (on average 1.2673702726473175) internal successors, (1441), 1160 states have internal predecessors, (1441), 270 states have call successors, (270), 132 states have call predecessors, (270), 135 states have return successors, (280), 260 states have call predecessors, (280), 264 states have call successors, (280) [2024-11-16 21:24:09,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 1991 transitions. [2024-11-16 21:24:09,935 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 1991 transitions. Word has length 175 [2024-11-16 21:24:09,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 21:24:09,936 INFO L471 AbstractCegarLoop]: Abstraction has 1543 states and 1991 transitions. [2024-11-16 21:24:09,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 21:24:09,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 1991 transitions. [2024-11-16 21:24:09,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-16 21:24:09,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 21:24:09,939 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 21:24:09,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 21:24:09,939 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 21:24:09,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 21:24:09,940 INFO L85 PathProgramCache]: Analyzing trace with hash 714578034, now seen corresponding path program 1 times [2024-11-16 21:24:09,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 21:24:09,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053554191] [2024-11-16 21:24:09,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 21:24:09,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 21:24:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:24:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:24:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:24:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 21:24:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:24:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:24:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 21:24:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:24:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:24:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 21:24:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:24:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:24:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 21:24:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:24:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:24:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 21:24:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:24:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 21:24:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 21:24:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 21:24:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 21:24:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 21:24:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 21:24:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 21:24:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 21:24:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-16 21:24:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 21:24:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:24:10,893 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-16 21:24:10,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 21:24:10,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053554191] [2024-11-16 21:24:10,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053554191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 21:24:10,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 21:24:10,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 21:24:10,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552192456] [2024-11-16 21:24:10,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 21:24:10,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 21:24:10,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 21:24:10,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 21:24:10,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 21:24:10,896 INFO L87 Difference]: Start difference. First operand 1543 states and 1991 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)