./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /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 --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /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 -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-wip.dd.update-z3-fca748b-m [2024-11-20 11:35:21,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 11:35:21,140 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 11:35:21,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 11:35:21,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 11:35:21,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 11:35:21,191 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 11:35:21,191 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 11:35:21,192 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 11:35:21,192 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 11:35:21,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 11:35:21,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 11:35:21,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 11:35:21,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 11:35:21,194 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 11:35:21,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 11:35:21,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 11:35:21,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 11:35:21,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 11:35:21,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 11:35:21,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 11:35:21,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 11:35:21,197 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 11:35:21,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 11:35:21,198 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 11:35:21,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 11:35:21,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 11:35:21,199 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 11:35:21,200 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 11:35:21,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 11:35:21,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 11:35:21,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 11:35:21,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 11:35:21,201 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 11:35:21,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 11:35:21,202 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 11:35:21,203 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 11:35:21,203 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 11:35:21,203 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 11:35:21,204 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93c428ff6f0565c9de954639ae23000ff5693477bac9f291339fc811e0689668 [2024-11-20 11:35:21,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 11:35:21,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 11:35:21,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 11:35:21,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 11:35:21,493 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 11:35:21,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /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 [2024-11-20 11:35:22,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 11:35:23,342 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 11:35:23,344 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 [2024-11-20 11:35:23,381 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f2436788/a035908a50284ed0b071864bda5ddf73/FLAG4397cee50 [2024-11-20 11:35:23,524 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f2436788/a035908a50284ed0b071864bda5ddf73 [2024-11-20 11:35:23,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 11:35:23,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 11:35:23,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 11:35:23,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 11:35:23,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 11:35:23,536 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:23" (1/1) ... [2024-11-20 11:35:23,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668d7acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:23, skipping insertion in model container [2024-11-20 11:35:23,537 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:23" (1/1) ... [2024-11-20 11:35:23,624 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 11:35:24,780 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] [2024-11-20 11:35:25,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 11:35:25,031 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 11:35:25,241 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] [2024-11-20 11:35:25,245 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] [2024-11-20 11:35:25,245 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] [2024-11-20 11:35:25,246 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] [2024-11-20 11:35:25,246 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] [2024-11-20 11:35:25,289 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] [2024-11-20 11:35:25,290 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] [2024-11-20 11:35:25,291 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] [2024-11-20 11:35:25,291 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] [2024-11-20 11:35:25,292 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] [2024-11-20 11:35:25,299 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] [2024-11-20 11:35:25,342 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] [2024-11-20 11:35:25,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 11:35:25,433 INFO L204 MainTranslator]: Completed translation [2024-11-20 11:35:25,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:25 WrapperNode [2024-11-20 11:35:25,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 11:35:25,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 11:35:25,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 11:35:25,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 11:35:25,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:25" (1/1) ... [2024-11-20 11:35:25,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:25" (1/1) ... [2024-11-20 11:35:25,588 INFO L138 Inliner]: procedures = 190, calls = 552, calls flagged for inlining = 74, calls inlined = 69, statements flattened = 1714 [2024-11-20 11:35:25,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 11:35:25,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 11:35:25,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 11:35:25,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 11:35:25,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:25" (1/1) ... [2024-11-20 11:35:25,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:25" (1/1) ... [2024-11-20 11:35:25,615 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:25" (1/1) ... [2024-11-20 11:35:25,791 INFO L175 MemorySlicer]: Split 205 memory accesses to 7 slices as follows [2, 23, 14, 13, 4, 122, 27]. 60 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 0, 0, 2, 0]. The 128 writes are split as follows [0, 23, 12, 2, 2, 62, 27]. [2024-11-20 11:35:25,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:25" (1/1) ... [2024-11-20 11:35:25,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:25" (1/1) ... [2024-11-20 11:35:25,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:25" (1/1) ... [2024-11-20 11:35:25,872 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:25" (1/1) ... [2024-11-20 11:35:25,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:25" (1/1) ... [2024-11-20 11:35:25,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:25" (1/1) ... [2024-11-20 11:35:25,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 11:35:25,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 11:35:25,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 11:35:25,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 11:35:25,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:25" (1/1) ... [2024-11-20 11:35:25,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 11:35:25,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:35:25,966 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) [2024-11-20 11:35:25,972 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 [2024-11-20 11:35:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_serio_raw_mutex [2024-11-20 11:35:26,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_serio_raw_mutex [2024-11-20 11:35:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 11:35:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 11:35:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 11:35:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 11:35:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 11:35:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 11:35:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 11:35:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-20 11:35:26,025 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-20 11:35:26,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 11:35:26,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 11:35:26,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 11:35:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 11:35:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 11:35:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 11:35:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 11:35:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-20 11:35:26,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-20 11:35:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 11:35:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 11:35:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 11:35:26,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 11:35:26,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 11:35:26,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 11:35:26,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 11:35:26,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-20 11:35:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-20 11:35:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-20 11:35:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-20 11:35:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-20 11:35:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-20 11:35:26,029 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2024-11-20 11:35:26,029 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2024-11-20 11:35:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-20 11:35:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-20 11:35:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-20 11:35:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-20 11:35:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 11:35:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 11:35:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 11:35:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 11:35:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 11:35:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 11:35:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 11:35:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-20 11:35:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-20 11:35:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-20 11:35:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-20 11:35:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-20 11:35:26,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-20 11:35:26,032 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-20 11:35:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-20 11:35:26,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-20 11:35:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-20 11:35:26,033 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_disconnect [2024-11-20 11:35:26,033 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_disconnect [2024-11-20 11:35:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure serio_continue_rx [2024-11-20 11:35:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_continue_rx [2024-11-20 11:35:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-20 11:35:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-20 11:35:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 11:35:26,034 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 11:35:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 11:35:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_poll [2024-11-20 11:35:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_poll [2024-11-20 11:35:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-20 11:35:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-20 11:35:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-20 11:35:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-20 11:35:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 11:35:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-20 11:35:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-20 11:35:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 11:35:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure serio_set_drvdata [2024-11-20 11:35:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_set_drvdata [2024-11-20 11:35:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 11:35:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 11:35:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 11:35:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 11:35:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 11:35:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 11:35:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 11:35:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-20 11:35:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-20 11:35:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-20 11:35:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-20 11:35:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2024-11-20 11:35:26,039 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2024-11-20 11:35:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 11:35:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 11:35:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 11:35:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 11:35:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 11:35:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 11:35:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 11:35:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-20 11:35:26,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-20 11:35:26,040 INFO L130 BoogieDeclarations]: Found specification of procedure serio_pause_rx [2024-11-20 11:35:26,040 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_pause_rx [2024-11-20 11:35:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-20 11:35:26,041 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-20 11:35:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2024-11-20 11:35:26,042 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2024-11-20 11:35:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 11:35:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 11:35:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 11:35:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 11:35:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 11:35:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 11:35:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 11:35:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-20 11:35:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2024-11-20 11:35:26,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2024-11-20 11:35:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure serio_get_drvdata [2024-11-20 11:35:26,044 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_get_drvdata [2024-11-20 11:35:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-20 11:35:26,044 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-20 11:35:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_serio_raw_mutex [2024-11-20 11:35:26,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_serio_raw_mutex [2024-11-20 11:35:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-20 11:35:26,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-20 11:35:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-20 11:35:26,045 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-20 11:35:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure serio_close [2024-11-20 11:35:26,045 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_close [2024-11-20 11:35:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_serio_raw_mutex [2024-11-20 11:35:26,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_serio_raw_mutex [2024-11-20 11:35:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 11:35:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 11:35:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 11:35:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 11:35:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 11:35:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 11:35:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 11:35:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_write [2024-11-20 11:35:26,046 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_write [2024-11-20 11:35:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure serio_raw_fasync [2024-11-20 11:35:26,046 INFO L138 BoogieDeclarations]: Found implementation of procedure serio_raw_fasync [2024-11-20 11:35:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 11:35:26,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 11:35:26,468 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 11:35:26,471 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 11:35:26,561 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-20 11:35:32,350 INFO L? ?]: Removed 766 outVars from TransFormulas that were not future-live. [2024-11-20 11:35:32,351 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 11:35:32,380 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 11:35:32,383 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 11:35:32,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:32 BoogieIcfgContainer [2024-11-20 11:35:32,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 11:35:32,386 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 11:35:32,386 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 11:35:32,389 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 11:35:32,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:35:23" (1/3) ... [2024-11-20 11:35:32,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355f1845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:32, skipping insertion in model container [2024-11-20 11:35:32,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:25" (2/3) ... [2024-11-20 11:35:32,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355f1845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:32, skipping insertion in model container [2024-11-20 11:35:32,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:32" (3/3) ... [2024-11-20 11:35:32,391 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--serio--serio_raw.ko-entry_point.cil.out.i [2024-11-20 11:35:32,407 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 11:35:32,408 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 11:35:32,486 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 11:35:32,495 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;@39f0987a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 11:35:32,495 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 11:35:32,504 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) [2024-11-20 11:35:32,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-20 11:35:32,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:35:32,519 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] [2024-11-20 11:35:32,519 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:35:32,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:35:32,525 INFO L85 PathProgramCache]: Analyzing trace with hash 221446513, now seen corresponding path program 1 times [2024-11-20 11:35:32,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:35:32,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030130415] [2024-11-20 11:35:32,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:35:32,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:35:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:33,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:35:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:33,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:35:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:33,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:35:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:33,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:35:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:33,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:35:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:33,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:35:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:33,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:35:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:35:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:35:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:35:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:35:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:35:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 11:35:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:35:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:35:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 11:35:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:35:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:35:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 11:35:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 11:35:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 11:35:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 11:35:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 11:35:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 11:35:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 11:35:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 11:35:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:34,247 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-20 11:35:34,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:35:34,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030130415] [2024-11-20 11:35:34,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030130415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:35:34,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:35:34,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 11:35:34,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57992037] [2024-11-20 11:35:34,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:35:34,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 11:35:34,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:35:34,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 11:35:34,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 11:35:34,284 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) [2024-11-20 11:35:38,315 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 [] [2024-11-20 11:35:42,334 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 [] [2024-11-20 11:35:44,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:35:44,735 INFO L93 Difference]: Finished difference Result 1117 states and 1560 transitions. [2024-11-20 11:35:44,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 11:35:44,740 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 [2024-11-20 11:35:44,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:35:44,756 INFO L225 Difference]: With dead ends: 1117 [2024-11-20 11:35:44,757 INFO L226 Difference]: Without dead ends: 562 [2024-11-20 11:35:44,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-20 11:35:44,766 INFO L432 NwaCegarLoop]: 469 mSDtfsCounter, 405 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 261 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1352 SdHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-20 11:35:44,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 1352 Invalid, 928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 665 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2024-11-20 11:35:44,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-20 11:35:44,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 538. [2024-11-20 11:35:44,842 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) [2024-11-20 11:35:44,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 720 transitions. [2024-11-20 11:35:44,849 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 720 transitions. Word has length 168 [2024-11-20 11:35:44,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:35:44,849 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 720 transitions. [2024-11-20 11:35:44,850 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) [2024-11-20 11:35:44,850 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 720 transitions. [2024-11-20 11:35:44,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-20 11:35:44,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:35:44,853 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] [2024-11-20 11:35:44,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 11:35:44,854 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:35:44,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:35:44,855 INFO L85 PathProgramCache]: Analyzing trace with hash 2103636861, now seen corresponding path program 1 times [2024-11-20 11:35:44,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:35:44,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988968635] [2024-11-20 11:35:44,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:35:44,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:35:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:45,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:35:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:45,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:35:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:45,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:35:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:45,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:35:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:45,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:35:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:45,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:35:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:45,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:35:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:45,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:35:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:45,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:35:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:45,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:35:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:46,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:35:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:46,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:35:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:46,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 11:35:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:46,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:35:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:46,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:35:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:46,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 11:35:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:46,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:35:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:46,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:35:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:46,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 11:35:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:46,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 11:35:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:46,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 11:35:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:46,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 11:35:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:46,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 11:35:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:46,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 11:35:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:46,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 11:35:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:46,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 11:35:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:35:46,163 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-20 11:35:46,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:35:46,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988968635] [2024-11-20 11:35:46,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988968635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:35:46,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:35:46,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 11:35:46,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329239305] [2024-11-20 11:35:46,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:35:46,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:35:46,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:35:46,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:35:46,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:35:46,169 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) [2024-11-20 11:35:50,188 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 [] [2024-11-20 11:35:54,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:35:58,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:36:01,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:36:01,851 INFO L93 Difference]: Finished difference Result 1565 states and 2097 transitions. [2024-11-20 11:36:01,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 11:36:01,852 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 [2024-11-20 11:36:01,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:36:01,867 INFO L225 Difference]: With dead ends: 1565 [2024-11-20 11:36:01,867 INFO L226 Difference]: Without dead ends: 1063 [2024-11-20 11:36:01,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-20 11:36:01,871 INFO L432 NwaCegarLoop]: 456 mSDtfsCounter, 1299 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 552 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1374 SdHoareTripleChecker+Valid, 1677 SdHoareTripleChecker+Invalid, 1606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 552 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2024-11-20 11:36:01,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1374 Valid, 1677 Invalid, 1606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [552 Valid, 1051 Invalid, 3 Unknown, 0 Unchecked, 15.3s Time] [2024-11-20 11:36:01,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2024-11-20 11:36:01,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1013. [2024-11-20 11:36:01,956 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) [2024-11-20 11:36:01,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1355 transitions. [2024-11-20 11:36:01,966 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1355 transitions. Word has length 168 [2024-11-20 11:36:01,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:36:01,968 INFO L471 AbstractCegarLoop]: Abstraction has 1013 states and 1355 transitions. [2024-11-20 11:36:01,968 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) [2024-11-20 11:36:01,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1355 transitions. [2024-11-20 11:36:01,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-20 11:36:01,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:36:01,975 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] [2024-11-20 11:36:01,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 11:36:01,975 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:36:01,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:36:01,976 INFO L85 PathProgramCache]: Analyzing trace with hash 688012040, now seen corresponding path program 1 times [2024-11-20 11:36:01,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:36:01,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839348696] [2024-11-20 11:36:01,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:36:01,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:36:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:02,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:36:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:02,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:02,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:02,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:36:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:02,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:02,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:02,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:36:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:02,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:02,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:02,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:36:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:02,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:02,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:02,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 11:36:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:02,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:02,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:02,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 11:36:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:02,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:02,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:03,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 11:36:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:03,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 11:36:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:03,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 11:36:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:03,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 11:36:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:03,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 11:36:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:03,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 11:36:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:03,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 11:36:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:03,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 11:36:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:03,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 11:36:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:03,050 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-20 11:36:03,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:36:03,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839348696] [2024-11-20 11:36:03,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839348696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:36:03,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:36:03,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 11:36:03,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388280020] [2024-11-20 11:36:03,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:36:03,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:36:03,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:36:03,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:36:03,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:36:03,053 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) [2024-11-20 11:36:07,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:36:11,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:36:14,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:36:14,133 INFO L93 Difference]: Finished difference Result 2549 states and 3351 transitions. [2024-11-20 11:36:14,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 11:36:14,134 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 [2024-11-20 11:36:14,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:36:14,143 INFO L225 Difference]: With dead ends: 2549 [2024-11-20 11:36:14,143 INFO L226 Difference]: Without dead ends: 1572 [2024-11-20 11:36:14,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-20 11:36:14,147 INFO L432 NwaCegarLoop]: 458 mSDtfsCounter, 1174 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s 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, 10.7s IncrementalHoareTripleChecker+Time [2024-11-20 11:36:14,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 1367 Invalid, 1447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [612 Valid, 833 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2024-11-20 11:36:14,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2024-11-20 11:36:14,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 1494. [2024-11-20 11:36:14,216 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) [2024-11-20 11:36:14,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1946 transitions. [2024-11-20 11:36:14,226 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1946 transitions. Word has length 174 [2024-11-20 11:36:14,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:36:14,228 INFO L471 AbstractCegarLoop]: Abstraction has 1494 states and 1946 transitions. [2024-11-20 11:36:14,228 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) [2024-11-20 11:36:14,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1946 transitions. [2024-11-20 11:36:14,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-20 11:36:14,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:36:14,232 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] [2024-11-20 11:36:14,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 11:36:14,232 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:36:14,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:36:14,233 INFO L85 PathProgramCache]: Analyzing trace with hash -250230468, now seen corresponding path program 1 times [2024-11-20 11:36:14,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:36:14,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42729103] [2024-11-20 11:36:14,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:36:14,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:36:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:36:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:36:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:36:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:36:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 11:36:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 11:36:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 11:36:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 11:36:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 11:36:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 11:36:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 11:36:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 11:36:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 11:36:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 11:36:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:15,231 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-20 11:36:15,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:36:15,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42729103] [2024-11-20 11:36:15,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42729103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:36:15,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:36:15,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 11:36:15,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638772762] [2024-11-20 11:36:15,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:36:15,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:36:15,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:36:15,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:36:15,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:36:15,235 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) [2024-11-20 11:36:19,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:36:23,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:36:25,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:36:25,177 INFO L93 Difference]: Finished difference Result 1568 states and 2042 transitions. [2024-11-20 11:36:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 11:36:25,178 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 [2024-11-20 11:36:25,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:36:25,189 INFO L225 Difference]: With dead ends: 1568 [2024-11-20 11:36:25,189 INFO L226 Difference]: Without dead ends: 1557 [2024-11-20 11:36:25,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-20 11:36:25,193 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 1151 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 461 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1234 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 461 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-20 11:36:25,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1234 Valid, 1082 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [461 Valid, 521 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2024-11-20 11:36:25,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1557 states. [2024-11-20 11:36:25,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1557 to 1494. [2024-11-20 11:36:25,265 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) [2024-11-20 11:36:25,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1944 transitions. [2024-11-20 11:36:25,273 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1944 transitions. Word has length 173 [2024-11-20 11:36:25,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:36:25,274 INFO L471 AbstractCegarLoop]: Abstraction has 1494 states and 1944 transitions. [2024-11-20 11:36:25,274 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) [2024-11-20 11:36:25,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1944 transitions. [2024-11-20 11:36:25,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-20 11:36:25,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:36:25,277 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] [2024-11-20 11:36:25,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 11:36:25,278 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:36:25,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:36:25,278 INFO L85 PathProgramCache]: Analyzing trace with hash -192972166, now seen corresponding path program 1 times [2024-11-20 11:36:25,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:36:25,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668549155] [2024-11-20 11:36:25,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:36:25,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:36:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:36:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:36:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:36:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:36:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 11:36:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 11:36:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 11:36:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 11:36:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 11:36:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 11:36:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 11:36:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 11:36:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 11:36:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 11:36:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:26,300 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-20 11:36:26,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:36:26,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668549155] [2024-11-20 11:36:26,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668549155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:36:26,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:36:26,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 11:36:26,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839756876] [2024-11-20 11:36:26,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:36:26,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:36:26,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:36:26,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:36:26,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:36:26,303 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) [2024-11-20 11:36:30,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:36:34,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:36:37,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:36:37,027 INFO L93 Difference]: Finished difference Result 1548 states and 2015 transitions. [2024-11-20 11:36:37,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 11:36:37,028 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 [2024-11-20 11:36:37,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:36:37,037 INFO L225 Difference]: With dead ends: 1548 [2024-11-20 11:36:37,037 INFO L226 Difference]: Without dead ends: 1545 [2024-11-20 11:36:37,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-20 11:36:37,039 INFO L432 NwaCegarLoop]: 454 mSDtfsCounter, 1122 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 456 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1183 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 456 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2024-11-20 11:36:37,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1183 Valid, 1038 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [456 Valid, 516 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2024-11-20 11:36:37,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2024-11-20 11:36:37,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1493. [2024-11-20 11:36:37,110 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) [2024-11-20 11:36:37,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1942 transitions. [2024-11-20 11:36:37,117 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1942 transitions. Word has length 173 [2024-11-20 11:36:37,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:36:37,118 INFO L471 AbstractCegarLoop]: Abstraction has 1493 states and 1942 transitions. [2024-11-20 11:36:37,118 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) [2024-11-20 11:36:37,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1942 transitions. [2024-11-20 11:36:37,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-20 11:36:37,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:36:37,120 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] [2024-11-20 11:36:37,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 11:36:37,121 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:36:37,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:36:37,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1687275438, now seen corresponding path program 1 times [2024-11-20 11:36:37,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:36:37,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653422364] [2024-11-20 11:36:37,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:36:37,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:36:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:37,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 11:36:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:37,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:37,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:37,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-20 11:36:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:37,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:37,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:37,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 11:36:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:37,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:37,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:37,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:36:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:37,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:38,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:38,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 11:36:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:38,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:38,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:38,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 11:36:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:38,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:36:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:38,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:36:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:38,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 11:36:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:38,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 11:36:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:38,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 11:36:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:38,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 11:36:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:38,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 11:36:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:38,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 11:36:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:38,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 11:36:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:38,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 11:36:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:36:38,144 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-20 11:36:38,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:36:38,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653422364] [2024-11-20 11:36:38,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653422364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:36:38,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:36:38,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 11:36:38,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044710964] [2024-11-20 11:36:38,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:36:38,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:36:38,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:36:38,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:36:38,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:36:38,146 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) [2024-11-20 11:36:42,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:36:46,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []