./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 c7c6ca5d 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-?-c7c6ca5-m [2024-11-09 04:40:09,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:40:09,185 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 04:40:09,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:40:09,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:40:09,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:40:09,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:40:09,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:40:09,222 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 04:40:09,223 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 04:40:09,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:40:09,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:40:09,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 04:40:09,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 04:40:09,225 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 04:40:09,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:40:09,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:40:09,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:40:09,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:40:09,228 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:40:09,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:40:09,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:40:09,232 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:40:09,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:40:09,232 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:40:09,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:40:09,233 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:40:09,233 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:40:09,233 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:40:09,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 04:40:09,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:40:09,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:40:09,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:40:09,234 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 04:40:09,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:40:09,235 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:40:09,235 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 04:40:09,235 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 04:40:09,235 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:40:09,235 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93c428ff6f0565c9de954639ae23000ff5693477bac9f291339fc811e0689668 [2024-11-09 04:40:09,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:40:09,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:40:09,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:40:09,590 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:40:09,590 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:40:09,591 INFO L431 ainManager$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 [2024-11-09 04:40:11,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:40:11,492 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:40:11,493 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 [2024-11-09 04:40:11,536 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9256b2d3/07a1def57ac548c7a868e764ff6c74f8/FLAGfef889585 [2024-11-09 04:40:11,631 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9256b2d3/07a1def57ac548c7a868e764ff6c74f8 [2024-11-09 04:40:11,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:40:11,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:40:11,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:40:11,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:40:11,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:40:11,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:40:11" (1/1) ... [2024-11-09 04:40:11,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3384fee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:11, skipping insertion in model container [2024-11-09 04:40:11,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:40:11" (1/1) ... [2024-11-09 04:40:11,757 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:40:12,787 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] [2024-11-09 04:40:12,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:40:12,967 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:40:13,058 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] [2024-11-09 04:40:13,061 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] [2024-11-09 04:40:13,062 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] [2024-11-09 04:40:13,062 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] [2024-11-09 04:40:13,063 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] [2024-11-09 04:40:13,107 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] [2024-11-09 04:40:13,110 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] [2024-11-09 04:40:13,110 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] [2024-11-09 04:40:13,111 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] [2024-11-09 04:40:13,111 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] [2024-11-09 04:40:13,118 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] [2024-11-09 04:40:13,172 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] [2024-11-09 04:40:13,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:40:13,254 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:40:13,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:13 WrapperNode [2024-11-09 04:40:13,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:40:13,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:40:13,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:40:13,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:40:13,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:13" (1/1) ... [2024-11-09 04:40:13,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:13" (1/1) ... [2024-11-09 04:40:13,479 INFO L138 Inliner]: procedures = 190, calls = 552, calls flagged for inlining = 74, calls inlined = 69, statements flattened = 1714 [2024-11-09 04:40:13,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:40:13,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:40:13,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:40:13,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:40:13,492 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:13" (1/1) ... [2024-11-09 04:40:13,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:13" (1/1) ... [2024-11-09 04:40:13,511 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:13" (1/1) ... [2024-11-09 04:40:13,678 INFO L175 MemorySlicer]: Split 205 memory accesses to 7 slices as follows [2, 14, 13, 4, 122, 23, 27]. 60 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 0, 2, 0, 0]. The 128 writes are split as follows [0, 12, 2, 2, 62, 23, 27]. [2024-11-09 04:40:13,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:13" (1/1) ... [2024-11-09 04:40:13,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:13" (1/1) ... [2024-11-09 04:40:13,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:13" (1/1) ... [2024-11-09 04:40:13,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:13" (1/1) ... [2024-11-09 04:40:13,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:13" (1/1) ... [2024-11-09 04:40:13,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:13" (1/1) ... [2024-11-09 04:40:13,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:40:13,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:40:13,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:40:13,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:40:13,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:13" (1/1) ... [2024-11-09 04:40:13,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 04:40:13,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:40:13,815 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) [2024-11-09 04:40:13,822 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 [2024-11-09 04:40:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_serio_raw_mutex [2024-11-09 04:40:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_serio_raw_mutex [2024-11-09 04:40:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 04:40:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 04:40:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 04:40:13,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 04:40:13,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 04:40:13,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 04:40:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 04:40:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-09 04:40:13,949 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-09 04:40:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 04:40:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 04:40:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 04:40:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 04:40:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 04:40:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 04:40:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 04:40:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 04:40:13,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 04:40:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 04:40:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 04:40:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 04:40:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 04:40:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 04:40:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 04:40:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 04:40:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 04:40:13,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 04:40:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 04:40:13,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 04:40:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 04:40:13,954 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 04:40:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2024-11-09 04:40:13,954 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2024-11-09 04:40:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-09 04:40:13,955 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-09 04:40:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-09 04:40:13,955 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-09 04:40:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 04:40:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 04:40:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 04:40:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 04:40:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 04:40:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 04:40:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 04:40:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 04:40:13,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 04:40:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 04:40:13,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 04:40:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-09 04:40:13,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-09 04:40:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-09 04:40:13,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-09 04:40:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 04:40:13,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 04:40:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_disconnect [2024-11-09 04:40:13,957 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_disconnect [2024-11-09 04:40:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure serio_continue_rx [2024-11-09 04:40:13,957 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_continue_rx [2024-11-09 04:40:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-09 04:40:13,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-09 04:40:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:40:13,957 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:40:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 04:40:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_poll [2024-11-09 04:40:13,958 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_poll [2024-11-09 04:40:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-09 04:40:13,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-09 04:40:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-09 04:40:13,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-09 04:40:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:40:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-09 04:40:13,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-09 04:40:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 04:40:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure serio_set_drvdata [2024-11-09 04:40:13,968 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_set_drvdata [2024-11-09 04:40:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 04:40:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 04:40:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 04:40:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 04:40:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 04:40:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 04:40:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 04:40:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-09 04:40:13,969 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-09 04:40:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 04:40:13,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 04:40:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2024-11-09 04:40:13,969 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2024-11-09 04:40:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 04:40:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 04:40:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 04:40:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 04:40:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 04:40:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 04:40:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 04:40:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-09 04:40:13,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-09 04:40:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure serio_pause_rx [2024-11-09 04:40:13,970 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_pause_rx [2024-11-09 04:40:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-09 04:40:13,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-09 04:40:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2024-11-09 04:40:13,971 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2024-11-09 04:40:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 04:40:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 04:40:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 04:40:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 04:40:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 04:40:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 04:40:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 04:40:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 04:40:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2024-11-09 04:40:13,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2024-11-09 04:40:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure serio_get_drvdata [2024-11-09 04:40:13,977 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_get_drvdata [2024-11-09 04:40:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-09 04:40:13,978 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-09 04:40:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_serio_raw_mutex [2024-11-09 04:40:13,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_serio_raw_mutex [2024-11-09 04:40:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-09 04:40:13,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-09 04:40:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-09 04:40:13,978 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-09 04:40:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure serio_close [2024-11-09 04:40:13,978 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_close [2024-11-09 04:40:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_serio_raw_mutex [2024-11-09 04:40:13,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_serio_raw_mutex [2024-11-09 04:40:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 04:40:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 04:40:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 04:40:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 04:40:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 04:40:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 04:40:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 04:40:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_write [2024-11-09 04:40:13,979 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_write [2024-11-09 04:40:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_fasync [2024-11-09 04:40:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_fasync [2024-11-09 04:40:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:40:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:40:14,418 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:40:14,421 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:40:14,495 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 04:40:20,642 INFO L? ?]: Removed 766 outVars from TransFormulas that were not future-live. [2024-11-09 04:40:20,642 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:40:20,677 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:40:20,681 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:40:20,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:40:20 BoogieIcfgContainer [2024-11-09 04:40:20,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:40:20,684 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:40:20,684 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:40:20,688 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:40:20,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:40:11" (1/3) ... [2024-11-09 04:40:20,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71fd1548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:40:20, skipping insertion in model container [2024-11-09 04:40:20,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:40:13" (2/3) ... [2024-11-09 04:40:20,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71fd1548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:40:20, skipping insertion in model container [2024-11-09 04:40:20,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:40:20" (3/3) ... [2024-11-09 04:40:20,692 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i [2024-11-09 04:40:20,709 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:40:20,710 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:40:20,803 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:40:20,811 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;@4848e3c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:40:20,811 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:40:20,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 549 states, 393 states have (on average 1.3231552162849873) internal successors, (520), 410 states have internal predecessors, (520), 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) [2024-11-09 04:40:20,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-09 04:40:20,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:40:20,836 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] [2024-11-09 04:40:20,837 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:40:20,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:40:20,843 INFO L85 PathProgramCache]: Analyzing trace with hash 221446513, now seen corresponding path program 1 times [2024-11-09 04:40:20,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:40:20,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057959352] [2024-11-09 04:40:20,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:40:20,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:40:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:40:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:40:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:40:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 04:40:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:40:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:40:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 04:40:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:40:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:40:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:40:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:40:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:40:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 04:40:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:40:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:40:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 04:40:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:40:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:40:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 04:40:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 04:40:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 04:40:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 04:40:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 04:40:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 04:40:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 04:40:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 04:40:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:22,659 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-09 04:40:22,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:40:22,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057959352] [2024-11-09 04:40:22,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057959352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:40:22,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:40:22,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:40:22,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6089544] [2024-11-09 04:40:22,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:40:22,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:40:22,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:40:22,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:40:22,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:40:22,702 INFO L87 Difference]: Start difference. First operand has 549 states, 393 states have (on average 1.3231552162849873) internal successors, (520), 410 states have internal predecessors, (520), 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 8.4) internal successors, (42), 2 states have internal predecessors, (42), 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) [2024-11-09 04:40:26,736 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 [] [2024-11-09 04:40:30,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:34,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:40:34,295 INFO L93 Difference]: Finished difference Result 1117 states and 1560 transitions. [2024-11-09 04:40:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:40:34,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 2 states have internal predecessors, (42), 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 168 [2024-11-09 04:40:34,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:40:34,320 INFO L225 Difference]: With dead ends: 1117 [2024-11-09 04:40:34,320 INFO L226 Difference]: Without dead ends: 562 [2024-11-09 04:40:34,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:40:34,336 INFO L432 NwaCegarLoop]: 469 mSDtfsCounter, 405 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 261 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1352 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:40:34,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1352 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 668 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2024-11-09 04:40:34,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-09 04:40:34,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 538. [2024-11-09 04:40:34,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 388 states have (on average 1.3041237113402062) internal successors, (506), 399 states have internal predecessors, (506), 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) [2024-11-09 04:40:34,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 720 transitions. [2024-11-09 04:40:34,457 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 720 transitions. Word has length 168 [2024-11-09 04:40:34,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:40:34,457 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 720 transitions. [2024-11-09 04:40:34,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 2 states have internal predecessors, (42), 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) [2024-11-09 04:40:34,458 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 720 transitions. [2024-11-09 04:40:34,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-09 04:40:34,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:40:34,462 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] [2024-11-09 04:40:34,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:40:34,463 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:40:34,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:40:34,464 INFO L85 PathProgramCache]: Analyzing trace with hash 2103636861, now seen corresponding path program 1 times [2024-11-09 04:40:34,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:40:34,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562834819] [2024-11-09 04:40:34,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:40:34,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:40:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:40:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:40:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:40:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 04:40:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:40:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:40:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 04:40:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:40:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:40:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:40:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:40:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:40:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 04:40:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:40:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:40:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 04:40:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:40:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:40:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 04:40:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 04:40:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 04:40:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 04:40:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 04:40:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 04:40:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 04:40:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 04:40:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:35,773 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-09 04:40:35,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:40:35,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562834819] [2024-11-09 04:40:35,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562834819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:40:35,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:40:35,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:40:35,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333959758] [2024-11-09 04:40:35,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:40:35,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:40:35,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:40:35,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:40:35,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:40:35,831 INFO L87 Difference]: Start difference. First operand 538 states and 720 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-11-09 04:40:39,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:43,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:47,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:40:52,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:40:52,570 INFO L93 Difference]: Finished difference Result 1565 states and 2097 transitions. [2024-11-09 04:40:52,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 04:40:52,571 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 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 168 [2024-11-09 04:40:52,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:40:52,583 INFO L225 Difference]: With dead ends: 1565 [2024-11-09 04:40:52,583 INFO L226 Difference]: Without dead ends: 1063 [2024-11-09 04:40:52,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-09 04:40:52,586 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 1299 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 552 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1374 SdHoareTripleChecker+Valid, 1676 SdHoareTripleChecker+Invalid, 1604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 552 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:40:52,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1374 Valid, 1676 Invalid, 1604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [552 Valid, 1049 Invalid, 3 Unknown, 0 Unchecked, 16.3s Time] [2024-11-09 04:40:52,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2024-11-09 04:40:52,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1013. [2024-11-09 04:40:52,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 738 states have (on average 1.3075880758807588) internal successors, (965), 753 states have internal predecessors, (965), 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) [2024-11-09 04:40:52,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1355 transitions. [2024-11-09 04:40:52,662 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1355 transitions. Word has length 168 [2024-11-09 04:40:52,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:40:52,663 INFO L471 AbstractCegarLoop]: Abstraction has 1013 states and 1355 transitions. [2024-11-09 04:40:52,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-11-09 04:40:52,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1355 transitions. [2024-11-09 04:40:52,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-09 04:40:52,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:40:52,666 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] [2024-11-09 04:40:52,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:40:52,667 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:40:52,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:40:52,668 INFO L85 PathProgramCache]: Analyzing trace with hash 688012040, now seen corresponding path program 1 times [2024-11-09 04:40:52,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:40:52,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673015115] [2024-11-09 04:40:52,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:40:52,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:40:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:40:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:40:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:40:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 04:40:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:40:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:40:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 04:40:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:40:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:40:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:40:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:40:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:40:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 04:40:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:40:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:40:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 04:40:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:40:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:40:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 04:40:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 04:40:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 04:40:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 04:40:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 04:40:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 04:40:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 04:40:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 04:40:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 04:40:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:40:53,923 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-09 04:40:53,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:40:53,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673015115] [2024-11-09 04:40:53,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673015115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:40:53,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:40:53,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:40:53,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099420938] [2024-11-09 04:40:53,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:40:53,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:40:53,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:40:53,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:40:53,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:40:53,927 INFO L87 Difference]: Start difference. First operand 1013 states and 1355 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-11-09 04:40:57,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:02,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:05,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:41:05,879 INFO L93 Difference]: Finished difference Result 2549 states and 3351 transitions. [2024-11-09 04:41:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 04:41:05,880 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 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 174 [2024-11-09 04:41:05,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:41:05,898 INFO L225 Difference]: With dead ends: 2549 [2024-11-09 04:41:05,898 INFO L226 Difference]: Without dead ends: 1572 [2024-11-09 04:41:05,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-09 04:41:05,904 INFO L432 NwaCegarLoop]: 458 mSDtfsCounter, 1174 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 1367 SdHoareTripleChecker+Invalid, 1447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 612 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:41:05,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 1367 Invalid, 1447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [612 Valid, 833 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2024-11-09 04:41:05,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2024-11-09 04:41:05,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 1494. [2024-11-09 04:41:05,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1494 states, 1086 states have (on average 1.283609576427256) internal successors, (1394), 1111 states have internal predecessors, (1394), 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) [2024-11-09 04:41:06,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1946 transitions. [2024-11-09 04:41:06,009 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1946 transitions. Word has length 174 [2024-11-09 04:41:06,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:41:06,042 INFO L471 AbstractCegarLoop]: Abstraction has 1494 states and 1946 transitions. [2024-11-09 04:41:06,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-11-09 04:41:06,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1946 transitions. [2024-11-09 04:41:06,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-09 04:41:06,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:06,047 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] [2024-11-09 04:41:06,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:41:06,048 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:41:06,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:06,049 INFO L85 PathProgramCache]: Analyzing trace with hash -250230468, now seen corresponding path program 1 times [2024-11-09 04:41:06,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:41:06,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514657555] [2024-11-09 04:41:06,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:06,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:41:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:06,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:41:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:06,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:41:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:06,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:41:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:06,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 04:41:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:06,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:41:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:06,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:41:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:06,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 04:41:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:06,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:41:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:06,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:41:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:06,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:41:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:06,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:41:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:06,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:41:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:06,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 04:41:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:06,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:41:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:07,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:41:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:07,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 04:41:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:07,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:41:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:07,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:41:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:07,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 04:41:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:07,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 04:41:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:07,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 04:41:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:07,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 04:41:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:07,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 04:41:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:07,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 04:41:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:07,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 04:41:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:07,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 04:41:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:07,115 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-09 04:41:07,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:41:07,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514657555] [2024-11-09 04:41:07,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514657555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:41:07,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:41:07,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:41:07,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129698318] [2024-11-09 04:41:07,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:41:07,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:41:07,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:41:07,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:41:07,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:41:07,120 INFO L87 Difference]: Start difference. First operand 1494 states and 1946 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-09 04:41:11,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:15,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:17,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:41:17,963 INFO L93 Difference]: Finished difference Result 1568 states and 2042 transitions. [2024-11-09 04:41:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 04:41:17,964 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 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 173 [2024-11-09 04:41:17,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:41:17,976 INFO L225 Difference]: With dead ends: 1568 [2024-11-09 04:41:17,976 INFO L226 Difference]: Without dead ends: 1557 [2024-11-09 04:41:17,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-09 04:41:17,981 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 1151 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 459 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1234 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 459 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:41:17,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1234 Valid, 1082 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [459 Valid, 523 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2024-11-09 04:41:17,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1557 states. [2024-11-09 04:41:18,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1557 to 1494. [2024-11-09 04:41:18,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1494 states, 1086 states have (on average 1.281767955801105) internal successors, (1392), 1111 states have internal predecessors, (1392), 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) [2024-11-09 04:41:18,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1944 transitions. [2024-11-09 04:41:18,072 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1944 transitions. Word has length 173 [2024-11-09 04:41:18,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:41:18,073 INFO L471 AbstractCegarLoop]: Abstraction has 1494 states and 1944 transitions. [2024-11-09 04:41:18,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-09 04:41:18,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1944 transitions. [2024-11-09 04:41:18,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-09 04:41:18,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:18,077 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] [2024-11-09 04:41:18,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 04:41:18,077 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:41:18,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:18,078 INFO L85 PathProgramCache]: Analyzing trace with hash -192972166, now seen corresponding path program 1 times [2024-11-09 04:41:18,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:41:18,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472347002] [2024-11-09 04:41:18,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:18,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:41:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:18,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:41:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:41:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:41:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 04:41:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:41:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:41:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 04:41:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:41:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:41:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:41:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:41:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:41:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 04:41:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:41:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:41:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 04:41:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:41:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:41:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 04:41:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 04:41:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 04:41:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 04:41:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 04:41:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 04:41:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 04:41:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 04:41:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-09 04:41:19,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:41:19,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472347002] [2024-11-09 04:41:19,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472347002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:41:19,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:41:19,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:41:19,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810327583] [2024-11-09 04:41:19,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:41:19,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:41:19,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:41:19,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:41:19,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:41:19,320 INFO L87 Difference]: Start difference. First operand 1494 states and 1944 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-09 04:41:23,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:27,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:41:30,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:41:30,134 INFO L93 Difference]: Finished difference Result 1548 states and 2015 transitions. [2024-11-09 04:41:30,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:41:30,135 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 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 173 [2024-11-09 04:41:30,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:41:30,145 INFO L225 Difference]: With dead ends: 1548 [2024-11-09 04:41:30,146 INFO L226 Difference]: Without dead ends: 1545 [2024-11-09 04:41:30,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-09 04:41:30,148 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 1122 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 456 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1184 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 456 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:41:30,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1184 Valid, 1037 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [456 Valid, 514 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2024-11-09 04:41:30,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2024-11-09 04:41:30,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1493. [2024-11-09 04:41:30,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1493 states, 1086 states have (on average 1.2808471454880295) internal successors, (1391), 1110 states have internal predecessors, (1391), 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) [2024-11-09 04:41:30,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1942 transitions. [2024-11-09 04:41:30,235 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1942 transitions. Word has length 173 [2024-11-09 04:41:30,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:41:30,236 INFO L471 AbstractCegarLoop]: Abstraction has 1493 states and 1942 transitions. [2024-11-09 04:41:30,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-09 04:41:30,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1942 transitions. [2024-11-09 04:41:30,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-09 04:41:30,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:41:30,238 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] [2024-11-09 04:41:30,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 04:41:30,239 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:41:30,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:41:30,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1687275438, now seen corresponding path program 1 times [2024-11-09 04:41:30,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:41:30,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515744313] [2024-11-09 04:41:30,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:41:30,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:41:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 04:41:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:41:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:41:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 04:41:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:41:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:41:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 04:41:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:41:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:41:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:41:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:41:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:41:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 04:41:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:41:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:41:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 04:41:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:41:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:41:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 04:41:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 04:41:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 04:41:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 04:41:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 04:41:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 04:41:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 04:41:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 04:41:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:41:31,385 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-09 04:41:31,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:41:31,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515744313] [2024-11-09 04:41:31,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515744313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:41:31,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:41:31,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:41:31,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131600235] [2024-11-09 04:41:31,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:41:31,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:41:31,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:41:31,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:41:31,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:41:31,389 INFO L87 Difference]: Start difference. First operand 1493 states and 1942 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)