./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.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 3aefe7c24f7dbfd113682bd81b91ef3b049ad438c933de49acd0f78d1e093848 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 04:13:54,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:13:54,515 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 04:13:54,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:13:54,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:13:54,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:13:54,554 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:13:54,554 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:13:54,555 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 04:13:54,556 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 04:13:54,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:13:54,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:13:54,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 04:13:54,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 04:13:54,560 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 04:13:54,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:13:54,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:13:54,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:13:54,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:13:54,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:13:54,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:13:54,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:13:54,566 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:13:54,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:13:54,566 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:13:54,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:13:54,567 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:13:54,567 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:13:54,567 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:13:54,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 04:13:54,568 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:13:54,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:13:54,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:13:54,569 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 04:13:54,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:13:54,570 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:13:54,570 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 04:13:54,570 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 04:13:54,570 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:13:54,571 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3aefe7c24f7dbfd113682bd81b91ef3b049ad438c933de49acd0f78d1e093848 [2024-11-09 04:13:54,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:13:54,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:13:54,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:13:54,876 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:13:54,877 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:13:54,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2024-11-09 04:13:56,386 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:13:56,803 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:13:56,804 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2024-11-09 04:13:56,843 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7d6f1cf1/0d3087dbb09f4cfaae5b0a294622c671/FLAG4657546cc [2024-11-09 04:13:56,858 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7d6f1cf1/0d3087dbb09f4cfaae5b0a294622c671 [2024-11-09 04:13:56,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:13:56,862 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:13:56,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:13:56,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:13:56,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:13:56,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:13:56" (1/1) ... [2024-11-09 04:13:56,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ced03e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:13:56, skipping insertion in model container [2024-11-09 04:13:56,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:13:56" (1/1) ... [2024-11-09 04:13:56,962 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:13:58,151 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-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i[133672,133685] [2024-11-09 04:13:58,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:13:58,219 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:13:58,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3073] [2024-11-09 04:13:58,297 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3087-3088] [2024-11-09 04:13:58,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3102] [2024-11-09 04:13:58,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3105] [2024-11-09 04:13:58,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3108] [2024-11-09 04:13:58,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3111] [2024-11-09 04:13:58,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [3173] [2024-11-09 04:13:58,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3176] [2024-11-09 04:13:58,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3179] [2024-11-09 04:13:58,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3182] [2024-11-09 04:13:58,422 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-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i[133672,133685] [2024-11-09 04:13:58,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:13:58,555 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:13:58,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:13:58 WrapperNode [2024-11-09 04:13:58,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:13:58,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:13:58,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:13:58,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:13:58,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:13:58" (1/1) ... [2024-11-09 04:13:58,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:13:58" (1/1) ... [2024-11-09 04:13:58,746 INFO L138 Inliner]: procedures = 191, calls = 833, calls flagged for inlining = 89, calls inlined = 75, statements flattened = 2352 [2024-11-09 04:13:58,751 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:13:58,752 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:13:58,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:13:58,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:13:58,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:13:58" (1/1) ... [2024-11-09 04:13:58,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:13:58" (1/1) ... [2024-11-09 04:13:58,799 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:13:58" (1/1) ... [2024-11-09 04:13:59,008 INFO L175 MemorySlicer]: Split 435 memory accesses to 14 slices as follows [2, 3, 7, 1, 8, 113, 7, 7, 9, 5, 2, 234, 2, 35]. 54 percent of accesses are in the largest equivalence class. The 39 initializations are split as follows [2, 0, 7, 0, 0, 0, 7, 7, 9, 0, 0, 0, 0, 7]. The 171 writes are split as follows [0, 0, 0, 0, 1, 103, 0, 0, 0, 5, 0, 34, 0, 28]. [2024-11-09 04:13:59,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:13:58" (1/1) ... [2024-11-09 04:13:59,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:13:58" (1/1) ... [2024-11-09 04:13:59,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:13:58" (1/1) ... [2024-11-09 04:13:59,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:13:58" (1/1) ... [2024-11-09 04:13:59,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:13:58" (1/1) ... [2024-11-09 04:13:59,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:13:58" (1/1) ... [2024-11-09 04:13:59,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:13:59,231 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:13:59,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:13:59,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:13:59,232 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:13:58" (1/1) ... [2024-11-09 04:13:59,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 04:13:59,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:13:59,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 04:13:59,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 04:13:59,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 04:13:59,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 04:13:59,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 04:13:59,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 04:13:59,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 04:13:59,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 04:13:59,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 04:13:59,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-09 04:13:59,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-09 04:13:59,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-09 04:13:59,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-09 04:13:59,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-09 04:13:59,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-09 04:13:59,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-09 04:13:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_size [2024-11-09 04:13:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_size [2024-11-09 04:13:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-09 04:13:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-09 04:13:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-09 04:13:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-09 04:13:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-09 04:13:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-09 04:13:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-09 04:13:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-09 04:13:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-09 04:13:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-09 04:13:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-09 04:13:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-09 04:13:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-09 04:13:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-09 04:13:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 04:13:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 04:13:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 04:13:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 04:13:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 04:13:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 04:13:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 04:13:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-09 04:13:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-09 04:13:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-09 04:13:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-09 04:13:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-09 04:13:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-09 04:13:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-09 04:13:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 04:13:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 04:13:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 04:13:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 04:13:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 04:13:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 04:13:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 04:13:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-09 04:13:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-09 04:13:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-09 04:13:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-09 04:13:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-09 04:13:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-09 04:13:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-09 04:13:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2024-11-09 04:13:59,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2024-11-09 04:13:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-09 04:13:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-09 04:13:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-09 04:13:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-09 04:13:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-09 04:13:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-09 04:13:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-09 04:13:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-09 04:13:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-09 04:13:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-09 04:13:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-09 04:13:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-09 04:13:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-09 04:13:59,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-09 04:13:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-09 04:13:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-09 04:13:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-09 04:13:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-09 04:13:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-09 04:13:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-09 04:13:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-09 04:13:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-09 04:13:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-09 04:13:59,334 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-09 04:13:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-09 04:13:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-09 04:13:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-09 04:13:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-09 04:13:59,335 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2024-11-09 04:13:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2024-11-09 04:13:59,335 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-09 04:13:59,336 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-09 04:13:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_done [2024-11-09 04:13:59,336 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_done [2024-11-09 04:13:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 04:13:59,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 04:13:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-09 04:13:59,337 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-09 04:13:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 04:13:59,337 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 04:13:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_flat [2024-11-09 04:13:59,337 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_flat [2024-11-09 04:13:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 04:13:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 04:13:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 04:13:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 04:13:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 04:13:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 04:13:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 04:13:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-09 04:13:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-09 04:13:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-09 04:13:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-09 04:13:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-09 04:13:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-09 04:13:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-09 04:13:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 04:13:59,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 04:13:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-09 04:13:59,339 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-09 04:13:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 04:13:59,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 04:13:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure input_alloc_absinfo [2024-11-09 04:13:59,340 INFO L138 BoogieDeclarations]: Found implementation of procedure input_alloc_absinfo [2024-11-09 04:13:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-09 04:13:59,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-09 04:13:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 04:13:59,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 04:13:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_find [2024-11-09 04:13:59,341 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_find [2024-11-09 04:13:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_uinput_device [2024-11-09 04:13:59,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_uinput_device [2024-11-09 04:13:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 04:13:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_allocate_device [2024-11-09 04:13:59,341 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_allocate_device [2024-11-09 04:13:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-09 04:13:59,341 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-09 04:13:59,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:13:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl_handler [2024-11-09 04:13:59,342 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl_handler [2024-11-09 04:13:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 04:13:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 04:13:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 04:13:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 04:13:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 04:13:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 04:13:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 04:13:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-09 04:13:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-09 04:13:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-09 04:13:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-09 04:13:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-09 04:13:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-09 04:13:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-09 04:13:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 04:13:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-09 04:13:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-09 04:13:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_from_user [2024-11-09 04:13:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_from_user [2024-11-09 04:13:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_destroy_device [2024-11-09 04:13:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_destroy_device [2024-11-09 04:13:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 04:13:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 04:13:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 04:13:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 04:13:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 04:13:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 04:13:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 04:13:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-09 04:13:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-09 04:13:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-09 04:13:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-09 04:13:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-09 04:13:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-09 04:13:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-09 04:13:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2024-11-09 04:13:59,345 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2024-11-09 04:13:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-09 04:13:59,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-09 04:13:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-09 04:13:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-09 04:13:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2024-11-09 04:13:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2024-11-09 04:13:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-09 04:13:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-09 04:13:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2024-11-09 04:13:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2024-11-09 04:13:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 04:13:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 04:13:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 04:13:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 04:13:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 04:13:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 04:13:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 04:13:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 04:13:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-09 04:13:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-09 04:13:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-09 04:13:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-09 04:13:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-09 04:13:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-09 04:13:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-09 04:13:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2024-11-09 04:13:59,349 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2024-11-09 04:13:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-09 04:13:59,349 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-09 04:13:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2024-11-09 04:13:59,349 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2024-11-09 04:13:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 04:13:59,349 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 04:13:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-09 04:13:59,349 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-09 04:13:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-09 04:13:59,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-09 04:13:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-11-09 04:13:59,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-11-09 04:13:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-09 04:13:59,350 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-09 04:13:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-09 04:13:59,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-09 04:13:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 04:13:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 04:13:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 04:13:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 04:13:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 04:13:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 04:13:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 04:13:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 04:13:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 04:13:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-09 04:13:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-09 04:13:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-09 04:13:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-09 04:13:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-09 04:13:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-09 04:13:59,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-09 04:13:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2024-11-09 04:13:59,351 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2024-11-09 04:13:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-09 04:13:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-09 04:13:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-09 04:13:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-09 04:13:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-09 04:13:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-09 04:13:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-09 04:13:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-09 04:13:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-09 04:13:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-09 04:13:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-09 04:13:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-09 04:13:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-09 04:13:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-09 04:13:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-09 04:13:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-09 04:13:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-11-09 04:13:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-11-09 04:13:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:13:59,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:13:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-09 04:13:59,354 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-09 04:13:59,884 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:13:59,889 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:14:11,299 INFO L? ?]: Removed 1208 outVars from TransFormulas that were not future-live. [2024-11-09 04:14:11,299 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:14:11,332 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:14:11,332 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 04:14:11,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:14:11 BoogieIcfgContainer [2024-11-09 04:14:11,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:14:11,340 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:14:11,340 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:14:11,343 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:14:11,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:13:56" (1/3) ... [2024-11-09 04:14:11,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f51ccc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:14:11, skipping insertion in model container [2024-11-09 04:14:11,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:13:58" (2/3) ... [2024-11-09 04:14:11,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f51ccc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:14:11, skipping insertion in model container [2024-11-09 04:14:11,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:14:11" (3/3) ... [2024-11-09 04:14:11,348 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2024-11-09 04:14:11,365 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:14:11,366 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:14:11,439 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:14:11,447 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;@106e447e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:14:11,447 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:14:11,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 716 states, 528 states have (on average 1.3579545454545454) internal successors, (717), 542 states have internal predecessors, (717), 142 states have call successors, (142), 44 states have call predecessors, (142), 44 states have return successors, (142), 140 states have call predecessors, (142), 142 states have call successors, (142) [2024-11-09 04:14:11,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 04:14:11,474 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:14:11,475 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:14:11,476 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:14:11,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:14:11,487 INFO L85 PathProgramCache]: Analyzing trace with hash -2073045771, now seen corresponding path program 1 times [2024-11-09 04:14:11,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:14:11,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141526523] [2024-11-09 04:14:11,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:14:11,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:14:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:12,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:12,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:14:12,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:14:12,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141526523] [2024-11-09 04:14:12,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141526523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:14:12,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:14:12,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:14:12,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192515962] [2024-11-09 04:14:12,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:14:12,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:14:12,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:14:12,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:14:12,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:14:12,191 INFO L87 Difference]: Start difference. First operand has 716 states, 528 states have (on average 1.3579545454545454) internal successors, (717), 542 states have internal predecessors, (717), 142 states have call successors, (142), 44 states have call predecessors, (142), 44 states have return successors, (142), 140 states have call predecessors, (142), 142 states have call successors, (142) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 04:14:12,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:14:12,676 INFO L93 Difference]: Finished difference Result 1421 states and 2005 transitions. [2024-11-09 04:14:12,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:14:12,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-09 04:14:12,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:14:12,706 INFO L225 Difference]: With dead ends: 1421 [2024-11-09 04:14:12,707 INFO L226 Difference]: Without dead ends: 709 [2024-11-09 04:14:12,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:14:12,722 INFO L432 NwaCegarLoop]: 989 mSDtfsCounter, 981 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:14:12,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [981 Valid, 989 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 04:14:12,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-11-09 04:14:12,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709. [2024-11-09 04:14:12,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 709 states, 524 states have (on average 1.3511450381679388) internal successors, (708), 535 states have internal predecessors, (708), 141 states have call successors, (141), 44 states have call predecessors, (141), 43 states have return successors, (137), 135 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-09 04:14:12,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 986 transitions. [2024-11-09 04:14:12,869 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 986 transitions. Word has length 14 [2024-11-09 04:14:12,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:14:12,872 INFO L471 AbstractCegarLoop]: Abstraction has 709 states and 986 transitions. [2024-11-09 04:14:12,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 04:14:12,872 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 986 transitions. [2024-11-09 04:14:12,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 04:14:12,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:14:12,873 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:14:12,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:14:12,874 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:14:12,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:14:12,875 INFO L85 PathProgramCache]: Analyzing trace with hash 159806965, now seen corresponding path program 1 times [2024-11-09 04:14:12,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:14:12,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142038307] [2024-11-09 04:14:12,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:14:12,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:14:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:13,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:13,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:14:13,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:14:13,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142038307] [2024-11-09 04:14:13,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142038307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:14:13,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:14:13,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:14:13,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120072347] [2024-11-09 04:14:13,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:14:13,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:14:13,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:14:13,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:14:13,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:14:13,191 INFO L87 Difference]: Start difference. First operand 709 states and 986 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 04:14:14,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:14:14,014 INFO L93 Difference]: Finished difference Result 711 states and 987 transitions. [2024-11-09 04:14:14,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:14:14,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-09 04:14:14,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:14:14,027 INFO L225 Difference]: With dead ends: 711 [2024-11-09 04:14:14,027 INFO L226 Difference]: Without dead ends: 708 [2024-11-09 04:14:14,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:14:14,030 INFO L432 NwaCegarLoop]: 983 mSDtfsCounter, 974 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 04:14:14,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 983 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 04:14:14,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2024-11-09 04:14:14,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 708. [2024-11-09 04:14:14,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 524 states have (on average 1.349236641221374) internal successors, (707), 534 states have internal predecessors, (707), 140 states have call successors, (140), 44 states have call predecessors, (140), 43 states have return successors, (137), 135 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-09 04:14:14,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 984 transitions. [2024-11-09 04:14:14,090 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 984 transitions. Word has length 15 [2024-11-09 04:14:14,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:14:14,090 INFO L471 AbstractCegarLoop]: Abstraction has 708 states and 984 transitions. [2024-11-09 04:14:14,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 04:14:14,091 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 984 transitions. [2024-11-09 04:14:14,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 04:14:14,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:14:14,092 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:14:14,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:14:14,093 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:14:14,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:14:14,094 INFO L85 PathProgramCache]: Analyzing trace with hash 658769912, now seen corresponding path program 1 times [2024-11-09 04:14:14,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:14:14,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981329134] [2024-11-09 04:14:14,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:14:14,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:14:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:14,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:14,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:14:14,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:14:14,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981329134] [2024-11-09 04:14:14,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981329134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:14:14,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:14:14,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:14:14,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515011787] [2024-11-09 04:14:14,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:14:14,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:14:14,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:14:14,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:14:14,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:14:14,302 INFO L87 Difference]: Start difference. First operand 708 states and 984 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 04:14:15,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:14:15,133 INFO L93 Difference]: Finished difference Result 2052 states and 2874 transitions. [2024-11-09 04:14:15,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:14:15,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-09 04:14:15,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:14:15,150 INFO L225 Difference]: With dead ends: 2052 [2024-11-09 04:14:15,150 INFO L226 Difference]: Without dead ends: 1344 [2024-11-09 04:14:15,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:14:15,157 INFO L432 NwaCegarLoop]: 1529 mSDtfsCounter, 971 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 2425 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 04:14:15,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 2425 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 04:14:15,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2024-11-09 04:14:15,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1341. [2024-11-09 04:14:15,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1341 states, 996 states have (on average 1.3483935742971886) internal successors, (1343), 1014 states have internal predecessors, (1343), 264 states have call successors, (264), 82 states have call predecessors, (264), 80 states have return successors, (268), 254 states have call predecessors, (268), 258 states have call successors, (268) [2024-11-09 04:14:15,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 1875 transitions. [2024-11-09 04:14:15,249 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 1875 transitions. Word has length 16 [2024-11-09 04:14:15,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:14:15,249 INFO L471 AbstractCegarLoop]: Abstraction has 1341 states and 1875 transitions. [2024-11-09 04:14:15,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 04:14:15,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1875 transitions. [2024-11-09 04:14:15,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 04:14:15,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:14:15,258 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:14:15,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:14:15,258 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:14:15,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:14:15,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1891452212, now seen corresponding path program 1 times [2024-11-09 04:14:15,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:14:15,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202067735] [2024-11-09 04:14:15,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:14:15,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:14:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:15,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:15,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 04:14:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:15,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 04:14:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:15,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 04:14:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 04:14:15,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:14:15,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202067735] [2024-11-09 04:14:15,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202067735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:14:15,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:14:15,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:14:15,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700044633] [2024-11-09 04:14:15,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:14:15,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:14:15,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:14:15,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:14:15,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:14:15,551 INFO L87 Difference]: Start difference. First operand 1341 states and 1875 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 04:14:17,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:14:17,663 INFO L93 Difference]: Finished difference Result 2755 states and 3875 transitions. [2024-11-09 04:14:17,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:14:17,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-11-09 04:14:17,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:14:17,676 INFO L225 Difference]: With dead ends: 2755 [2024-11-09 04:14:17,676 INFO L226 Difference]: Without dead ends: 1422 [2024-11-09 04:14:17,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:14:17,686 INFO L432 NwaCegarLoop]: 927 mSDtfsCounter, 531 mSDsluCounter, 1262 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 2189 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 04:14:17,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 2189 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 04:14:17,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2024-11-09 04:14:17,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1411. [2024-11-09 04:14:17,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1411 states, 1056 states have (on average 1.3503787878787878) internal successors, (1426), 1074 states have internal predecessors, (1426), 274 states have call successors, (274), 82 states have call predecessors, (274), 80 states have return successors, (282), 264 states have call predecessors, (282), 268 states have call successors, (282) [2024-11-09 04:14:17,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 1982 transitions. [2024-11-09 04:14:17,768 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 1982 transitions. Word has length 44 [2024-11-09 04:14:17,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:14:17,769 INFO L471 AbstractCegarLoop]: Abstraction has 1411 states and 1982 transitions. [2024-11-09 04:14:17,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 04:14:17,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1982 transitions. [2024-11-09 04:14:17,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 04:14:17,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:14:17,774 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:14:17,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 04:14:17,775 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:14:17,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:14:17,776 INFO L85 PathProgramCache]: Analyzing trace with hash -775648113, now seen corresponding path program 1 times [2024-11-09 04:14:17,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:14:17,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960600785] [2024-11-09 04:14:17,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:14:17,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:14:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:18,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:18,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 04:14:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:18,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 04:14:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:18,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 04:14:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:18,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 04:14:18,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:14:18,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960600785] [2024-11-09 04:14:18,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960600785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:14:18,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:14:18,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 04:14:18,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803969770] [2024-11-09 04:14:18,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:14:18,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:14:18,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:14:18,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:14:18,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:14:18,139 INFO L87 Difference]: Start difference. First operand 1411 states and 1982 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 04:14:21,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:14:21,827 INFO L93 Difference]: Finished difference Result 2818 states and 3961 transitions. [2024-11-09 04:14:21,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:14:21,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 55 [2024-11-09 04:14:21,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:14:21,839 INFO L225 Difference]: With dead ends: 2818 [2024-11-09 04:14:21,839 INFO L226 Difference]: Without dead ends: 1415 [2024-11-09 04:14:21,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:14:21,850 INFO L432 NwaCegarLoop]: 986 mSDtfsCounter, 1392 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 2069 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 294 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:14:21,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1547 Valid, 2069 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [294 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-09 04:14:21,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2024-11-09 04:14:21,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1404. [2024-11-09 04:14:21,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1053 states have (on average 1.3494776828110162) internal successors, (1421), 1069 states have internal predecessors, (1421), 270 states have call successors, (270), 82 states have call predecessors, (270), 80 states have return successors, (266), 262 states have call predecessors, (266), 259 states have call successors, (266) [2024-11-09 04:14:21,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 1957 transitions. [2024-11-09 04:14:21,919 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 1957 transitions. Word has length 55 [2024-11-09 04:14:21,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:14:21,919 INFO L471 AbstractCegarLoop]: Abstraction has 1404 states and 1957 transitions. [2024-11-09 04:14:21,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 04:14:21,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1957 transitions. [2024-11-09 04:14:21,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 04:14:21,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:14:21,926 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:14:21,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 04:14:21,926 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:14:21,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:14:21,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1620119984, now seen corresponding path program 1 times [2024-11-09 04:14:21,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:14:21,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232443090] [2024-11-09 04:14:21,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:14:21,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:14:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:22,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:22,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 04:14:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:22,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 04:14:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:22,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 04:14:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:22,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 04:14:22,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:14:22,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232443090] [2024-11-09 04:14:22,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232443090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:14:22,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:14:22,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 04:14:22,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782611302] [2024-11-09 04:14:22,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:14:22,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:14:22,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:14:22,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:14:22,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:14:22,376 INFO L87 Difference]: Start difference. First operand 1404 states and 1957 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 04:14:25,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:14:25,560 INFO L93 Difference]: Finished difference Result 1536 states and 2114 transitions. [2024-11-09 04:14:25,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 04:14:25,561 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 55 [2024-11-09 04:14:25,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:14:25,570 INFO L225 Difference]: With dead ends: 1536 [2024-11-09 04:14:25,570 INFO L226 Difference]: Without dead ends: 1178 [2024-11-09 04:14:25,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-09 04:14:25,574 INFO L432 NwaCegarLoop]: 694 mSDtfsCounter, 281 mSDsluCounter, 2803 mSDsCounter, 0 mSdLazyCounter, 2056 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 3497 SdHoareTripleChecker+Invalid, 2174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 2056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:14:25,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 3497 Invalid, 2174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 2056 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-09 04:14:25,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2024-11-09 04:14:25,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1171. [2024-11-09 04:14:25,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 880 states have (on average 1.3272727272727274) internal successors, (1168), 892 states have internal predecessors, (1168), 218 states have call successors, (218), 74 states have call predecessors, (218), 72 states have return successors, (215), 213 states have call predecessors, (215), 208 states have call successors, (215) [2024-11-09 04:14:25,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1601 transitions. [2024-11-09 04:14:25,640 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1601 transitions. Word has length 55 [2024-11-09 04:14:25,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:14:25,642 INFO L471 AbstractCegarLoop]: Abstraction has 1171 states and 1601 transitions. [2024-11-09 04:14:25,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 04:14:25,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1601 transitions. [2024-11-09 04:14:25,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 04:14:25,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:14:25,645 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:14:25,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 04:14:25,645 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:14:25,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:14:25,646 INFO L85 PathProgramCache]: Analyzing trace with hash -204456961, now seen corresponding path program 1 times [2024-11-09 04:14:25,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:14:25,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750842685] [2024-11-09 04:14:25,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:14:25,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:14:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:25,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:25,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 04:14:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:25,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 04:14:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:26,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:14:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:26,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 04:14:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:26,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 04:14:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:26,095 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 04:14:26,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:14:26,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750842685] [2024-11-09 04:14:26,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750842685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:14:26,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:14:26,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 04:14:26,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558516476] [2024-11-09 04:14:26,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:14:26,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:14:26,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:14:26,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:14:26,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:14:26,098 INFO L87 Difference]: Start difference. First operand 1171 states and 1601 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 04:14:29,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:14:29,194 INFO L93 Difference]: Finished difference Result 1438 states and 1968 transitions. [2024-11-09 04:14:29,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 04:14:29,194 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 58 [2024-11-09 04:14:29,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:14:29,203 INFO L225 Difference]: With dead ends: 1438 [2024-11-09 04:14:29,203 INFO L226 Difference]: Without dead ends: 1190 [2024-11-09 04:14:29,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:14:29,206 INFO L432 NwaCegarLoop]: 680 mSDtfsCounter, 609 mSDsluCounter, 2612 mSDsCounter, 0 mSdLazyCounter, 2174 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 3292 SdHoareTripleChecker+Invalid, 2447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 2174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:14:29,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 3292 Invalid, 2447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 2174 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-09 04:14:29,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2024-11-09 04:14:29,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1161. [2024-11-09 04:14:29,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 871 states have (on average 1.3295063145809414) internal successors, (1158), 886 states have internal predecessors, (1158), 218 states have call successors, (218), 74 states have call predecessors, (218), 71 states have return successors, (211), 209 states have call predecessors, (211), 208 states have call successors, (211) [2024-11-09 04:14:29,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1587 transitions. [2024-11-09 04:14:29,272 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1587 transitions. Word has length 58 [2024-11-09 04:14:29,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:14:29,272 INFO L471 AbstractCegarLoop]: Abstraction has 1161 states and 1587 transitions. [2024-11-09 04:14:29,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 04:14:29,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1587 transitions. [2024-11-09 04:14:29,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 04:14:29,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:14:29,276 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:14:29,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 04:14:29,277 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:14:29,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:14:29,278 INFO L85 PathProgramCache]: Analyzing trace with hash -254305111, now seen corresponding path program 1 times [2024-11-09 04:14:29,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:14:29,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993727112] [2024-11-09 04:14:29,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:14:29,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:14:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:29,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:29,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 04:14:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:29,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 04:14:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:29,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:29,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 04:14:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:29,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 04:14:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:29,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 04:14:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:29,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 04:14:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:29,626 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 04:14:29,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:14:29,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993727112] [2024-11-09 04:14:29,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993727112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:14:29,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:14:29,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 04:14:29,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752438127] [2024-11-09 04:14:29,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:14:29,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 04:14:29,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:14:29,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 04:14:29,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:14:29,629 INFO L87 Difference]: Start difference. First operand 1161 states and 1587 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 04:14:31,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:14:31,995 INFO L93 Difference]: Finished difference Result 2354 states and 3223 transitions. [2024-11-09 04:14:31,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 04:14:31,996 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 75 [2024-11-09 04:14:31,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:14:32,006 INFO L225 Difference]: With dead ends: 2354 [2024-11-09 04:14:32,006 INFO L226 Difference]: Without dead ends: 1198 [2024-11-09 04:14:32,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:14:32,011 INFO L432 NwaCegarLoop]: 674 mSDtfsCounter, 486 mSDsluCounter, 2027 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 320 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 2701 SdHoareTripleChecker+Invalid, 1778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 320 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:14:32,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 2701 Invalid, 1778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [320 Valid, 1458 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-09 04:14:32,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2024-11-09 04:14:32,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1164. [2024-11-09 04:14:32,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1164 states, 873 states have (on average 1.3276059564719358) internal successors, (1159), 888 states have internal predecessors, (1159), 219 states have call successors, (219), 74 states have call predecessors, (219), 71 states have return successors, (212), 210 states have call predecessors, (212), 209 states have call successors, (212) [2024-11-09 04:14:32,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1590 transitions. [2024-11-09 04:14:32,068 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1590 transitions. Word has length 75 [2024-11-09 04:14:32,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:14:32,069 INFO L471 AbstractCegarLoop]: Abstraction has 1164 states and 1590 transitions. [2024-11-09 04:14:32,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 04:14:32,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1590 transitions. [2024-11-09 04:14:32,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 04:14:32,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:14:32,072 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:14:32,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 04:14:32,072 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:14:32,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:14:32,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1639220495, now seen corresponding path program 1 times [2024-11-09 04:14:32,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:14:32,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646526969] [2024-11-09 04:14:32,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:14:32,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:14:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:32,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:32,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 04:14:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:32,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 04:14:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:32,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:32,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 04:14:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:32,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 04:14:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:32,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:14:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:32,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 04:14:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:32,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 04:14:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:32,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 04:14:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:32,584 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-09 04:14:32,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:14:32,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646526969] [2024-11-09 04:14:32,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646526969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:14:32,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:14:32,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 04:14:32,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750418422] [2024-11-09 04:14:32,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:14:32,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:14:32,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:14:32,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:14:32,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:14:32,587 INFO L87 Difference]: Start difference. First operand 1164 states and 1590 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-09 04:14:35,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:14:35,611 INFO L93 Difference]: Finished difference Result 2333 states and 3191 transitions. [2024-11-09 04:14:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 04:14:35,612 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 89 [2024-11-09 04:14:35,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:14:35,619 INFO L225 Difference]: With dead ends: 2333 [2024-11-09 04:14:35,620 INFO L226 Difference]: Without dead ends: 1177 [2024-11-09 04:14:35,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-09 04:14:35,624 INFO L432 NwaCegarLoop]: 674 mSDtfsCounter, 489 mSDsluCounter, 3153 mSDsCounter, 0 mSdLazyCounter, 2324 mSolverCounterSat, 325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 3827 SdHoareTripleChecker+Invalid, 2649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 325 IncrementalHoareTripleChecker+Valid, 2324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-09 04:14:35,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 3827 Invalid, 2649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [325 Valid, 2324 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-09 04:14:35,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2024-11-09 04:14:35,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1142. [2024-11-09 04:14:35,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1142 states, 852 states have (on average 1.323943661971831) internal successors, (1128), 866 states have internal predecessors, (1128), 218 states have call successors, (218), 74 states have call predecessors, (218), 71 states have return successors, (212), 210 states have call predecessors, (212), 209 states have call successors, (212) [2024-11-09 04:14:35,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 1558 transitions. [2024-11-09 04:14:35,684 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 1558 transitions. Word has length 89 [2024-11-09 04:14:35,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:14:35,684 INFO L471 AbstractCegarLoop]: Abstraction has 1142 states and 1558 transitions. [2024-11-09 04:14:35,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-09 04:14:35,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1558 transitions. [2024-11-09 04:14:35,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 04:14:35,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:14:35,688 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:14:35,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 04:14:35,688 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:14:35,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:14:35,689 INFO L85 PathProgramCache]: Analyzing trace with hash -846047142, now seen corresponding path program 1 times [2024-11-09 04:14:35,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:14:35,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304110110] [2024-11-09 04:14:35,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:14:35,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:14:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:35,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:35,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 04:14:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:35,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 04:14:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:35,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:35,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 04:14:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:35,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 04:14:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:35,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:14:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:35,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 04:14:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:35,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 04:14:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:36,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 04:14:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:36,017 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 04:14:36,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:14:36,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304110110] [2024-11-09 04:14:36,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304110110] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:14:36,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470852071] [2024-11-09 04:14:36,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:14:36,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:14:36,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:14:36,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:14:36,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:14:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:36,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 984 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 04:14:36,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:14:36,914 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 04:14:36,914 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:14:37,060 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 04:14:37,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470852071] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 04:14:37,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:14:37,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 7 [2024-11-09 04:14:37,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711124433] [2024-11-09 04:14:37,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:14:37,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:14:37,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:14:37,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:14:37,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:14:37,063 INFO L87 Difference]: Start difference. First operand 1142 states and 1558 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 4 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-09 04:14:39,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:14:39,725 INFO L93 Difference]: Finished difference Result 2467 states and 3399 transitions. [2024-11-09 04:14:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 04:14:39,725 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 4 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 91 [2024-11-09 04:14:39,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:14:39,735 INFO L225 Difference]: With dead ends: 2467 [2024-11-09 04:14:39,735 INFO L226 Difference]: Without dead ends: 1333 [2024-11-09 04:14:39,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 198 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:14:39,742 INFO L432 NwaCegarLoop]: 678 mSDtfsCounter, 771 mSDsluCounter, 1513 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 2191 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 377 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:14:39,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [818 Valid, 2191 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [377 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-09 04:14:39,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2024-11-09 04:14:39,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 1260. [2024-11-09 04:14:39,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1260 states, 958 states have (on average 1.3423799582463465) internal successors, (1286), 972 states have internal predecessors, (1286), 230 states have call successors, (230), 74 states have call predecessors, (230), 71 states have return successors, (224), 222 states have call predecessors, (224), 221 states have call successors, (224) [2024-11-09 04:14:39,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 1740 transitions. [2024-11-09 04:14:39,803 INFO L78 Accepts]: Start accepts. Automaton has 1260 states and 1740 transitions. Word has length 91 [2024-11-09 04:14:39,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:14:39,803 INFO L471 AbstractCegarLoop]: Abstraction has 1260 states and 1740 transitions. [2024-11-09 04:14:39,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 4 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-09 04:14:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1740 transitions. [2024-11-09 04:14:39,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-09 04:14:39,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:14:39,807 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:14:39,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 04:14:40,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-09 04:14:40,008 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:14:40,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:14:40,009 INFO L85 PathProgramCache]: Analyzing trace with hash 2136353820, now seen corresponding path program 1 times [2024-11-09 04:14:40,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:14:40,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577351267] [2024-11-09 04:14:40,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:14:40,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:14:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:40,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:40,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 04:14:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:40,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 04:14:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:40,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:40,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 04:14:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:40,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 04:14:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:40,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:14:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:40,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 04:14:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:40,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 04:14:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:40,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 04:14:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:40,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 04:14:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:40,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 04:14:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:40,578 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 04:14:40,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:14:40,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577351267] [2024-11-09 04:14:40,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577351267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:14:40,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:14:40,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 04:14:40,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509750919] [2024-11-09 04:14:40,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:14:40,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 04:14:40,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:14:40,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 04:14:40,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 04:14:40,582 INFO L87 Difference]: Start difference. First operand 1260 states and 1740 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 04:14:42,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:14:45,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:14:45,226 INFO L93 Difference]: Finished difference Result 1315 states and 1817 transitions. [2024-11-09 04:14:45,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 04:14:45,227 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) Word has length 100 [2024-11-09 04:14:45,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:14:45,234 INFO L225 Difference]: With dead ends: 1315 [2024-11-09 04:14:45,235 INFO L226 Difference]: Without dead ends: 1302 [2024-11-09 04:14:45,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-09 04:14:45,236 INFO L432 NwaCegarLoop]: 672 mSDtfsCounter, 509 mSDsluCounter, 4243 mSDsCounter, 0 mSdLazyCounter, 3210 mSolverCounterSat, 319 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 4915 SdHoareTripleChecker+Invalid, 3529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 319 IncrementalHoareTripleChecker+Valid, 3210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:14:45,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 4915 Invalid, 3529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [319 Valid, 3210 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-09 04:14:45,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2024-11-09 04:14:45,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 1263. [2024-11-09 04:14:45,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1263 states, 960 states have (on average 1.3416666666666666) internal successors, (1288), 974 states have internal predecessors, (1288), 231 states have call successors, (231), 74 states have call predecessors, (231), 71 states have return successors, (225), 223 states have call predecessors, (225), 222 states have call successors, (225) [2024-11-09 04:14:45,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 1744 transitions. [2024-11-09 04:14:45,322 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 1744 transitions. Word has length 100 [2024-11-09 04:14:45,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:14:45,322 INFO L471 AbstractCegarLoop]: Abstraction has 1263 states and 1744 transitions. [2024-11-09 04:14:45,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 04:14:45,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1744 transitions. [2024-11-09 04:14:45,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 04:14:45,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:14:45,327 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:14:45,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 04:14:45,327 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:14:45,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:14:45,328 INFO L85 PathProgramCache]: Analyzing trace with hash 2007044835, now seen corresponding path program 1 times [2024-11-09 04:14:45,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:14:45,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230711098] [2024-11-09 04:14:45,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:14:45,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:14:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:45,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:45,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 04:14:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:45,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 04:14:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:45,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:45,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 04:14:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:45,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 04:14:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:45,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:14:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:45,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 04:14:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:45,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 04:14:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:45,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 04:14:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:45,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 04:14:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:45,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 04:14:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:45,707 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 04:14:45,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:14:45,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230711098] [2024-11-09 04:14:45,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230711098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:14:45,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:14:45,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 04:14:45,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189464034] [2024-11-09 04:14:45,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:14:45,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:14:45,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:14:45,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:14:45,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:14:45,710 INFO L87 Difference]: Start difference. First operand 1263 states and 1744 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 04:14:49,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:14:49,359 INFO L93 Difference]: Finished difference Result 2550 states and 3530 transitions. [2024-11-09 04:14:49,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 04:14:49,364 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 102 [2024-11-09 04:14:49,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:14:49,375 INFO L225 Difference]: With dead ends: 2550 [2024-11-09 04:14:49,375 INFO L226 Difference]: Without dead ends: 1295 [2024-11-09 04:14:49,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-09 04:14:49,381 INFO L432 NwaCegarLoop]: 673 mSDtfsCounter, 508 mSDsluCounter, 3124 mSDsCounter, 0 mSdLazyCounter, 2317 mSolverCounterSat, 319 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 3797 SdHoareTripleChecker+Invalid, 2636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 319 IncrementalHoareTripleChecker+Valid, 2317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:14:49,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 3797 Invalid, 2636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [319 Valid, 2317 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-09 04:14:49,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2024-11-09 04:14:49,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1261. [2024-11-09 04:14:49,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 959 states have (on average 1.340980187695516) internal successors, (1286), 973 states have internal predecessors, (1286), 230 states have call successors, (230), 74 states have call predecessors, (230), 71 states have return successors, (224), 222 states have call predecessors, (224), 221 states have call successors, (224) [2024-11-09 04:14:49,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1740 transitions. [2024-11-09 04:14:49,442 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1740 transitions. Word has length 102 [2024-11-09 04:14:49,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:14:49,442 INFO L471 AbstractCegarLoop]: Abstraction has 1261 states and 1740 transitions. [2024-11-09 04:14:49,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 04:14:49,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1740 transitions. [2024-11-09 04:14:49,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 04:14:49,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:14:49,448 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:14:49,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 04:14:49,449 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:14:49,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:14:49,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1755839994, now seen corresponding path program 1 times [2024-11-09 04:14:49,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:14:49,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857249985] [2024-11-09 04:14:49,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:14:49,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:14:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:49,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:49,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 04:14:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:49,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 04:14:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:50,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:50,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 04:14:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:50,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 04:14:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:50,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:14:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:50,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 04:14:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:50,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 04:14:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:50,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 04:14:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:50,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 04:14:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:50,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 04:14:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:50,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 04:14:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:50,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 04:14:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 04:14:50,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:14:50,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857249985] [2024-11-09 04:14:50,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857249985] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:14:50,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911524772] [2024-11-09 04:14:50,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:14:50,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:14:50,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 04:14:50,073 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:14:50,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 04:14:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:50,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 1137 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 04:14:50,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:14:50,938 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 04:14:50,938 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:14:50,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911524772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:14:50,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:14:50,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 10 [2024-11-09 04:14:50,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024025563] [2024-11-09 04:14:50,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:14:50,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:14:50,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:14:50,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:14:50,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 04:14:50,940 INFO L87 Difference]: Start difference. First operand 1261 states and 1740 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-09 04:14:51,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:14:51,061 INFO L93 Difference]: Finished difference Result 2518 states and 3476 transitions. [2024-11-09 04:14:51,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 04:14:51,062 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 124 [2024-11-09 04:14:51,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:14:51,069 INFO L225 Difference]: With dead ends: 2518 [2024-11-09 04:14:51,069 INFO L226 Difference]: Without dead ends: 1253 [2024-11-09 04:14:51,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 04:14:51,075 INFO L432 NwaCegarLoop]: 982 mSDtfsCounter, 3 mSDsluCounter, 5868 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 6850 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:14:51,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 6850 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:14:51,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2024-11-09 04:14:51,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1253. [2024-11-09 04:14:51,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 953 states have (on average 1.3389296956977965) internal successors, (1276), 968 states have internal predecessors, (1276), 228 states have call successors, (228), 74 states have call predecessors, (228), 71 states have return successors, (221), 219 states have call predecessors, (221), 219 states have call successors, (221) [2024-11-09 04:14:51,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1725 transitions. [2024-11-09 04:14:51,147 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1725 transitions. Word has length 124 [2024-11-09 04:14:51,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:14:51,147 INFO L471 AbstractCegarLoop]: Abstraction has 1253 states and 1725 transitions. [2024-11-09 04:14:51,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-09 04:14:51,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1725 transitions. [2024-11-09 04:14:51,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-09 04:14:51,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:14:51,153 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:14:51,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 04:14:51,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 04:14:51,354 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:14:51,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:14:51,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1050214026, now seen corresponding path program 1 times [2024-11-09 04:14:51,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:14:51,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248400947] [2024-11-09 04:14:51,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:14:51,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:14:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:51,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:51,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 04:14:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:51,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 04:14:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:51,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:51,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 04:14:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:51,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 04:14:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:51,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:14:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:51,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 04:14:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:51,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 04:14:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:51,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 04:14:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:51,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 04:14:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:51,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:14:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:51,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 04:14:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:51,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 04:14:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:51,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-09 04:14:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:51,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-09 04:14:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:51,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-09 04:14:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:51,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 04:14:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:51,732 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-09 04:14:51,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:14:51,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248400947] [2024-11-09 04:14:51,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248400947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:14:51,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:14:51,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:14:51,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654091090] [2024-11-09 04:14:51,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:14:51,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:14:51,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:14:51,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:14:51,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:14:51,736 INFO L87 Difference]: Start difference. First operand 1253 states and 1725 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 04:14:54,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:14:54,034 INFO L93 Difference]: Finished difference Result 2532 states and 3516 transitions. [2024-11-09 04:14:54,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 04:14:54,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2024-11-09 04:14:54,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:14:54,043 INFO L225 Difference]: With dead ends: 2532 [2024-11-09 04:14:54,043 INFO L226 Difference]: Without dead ends: 1287 [2024-11-09 04:14:54,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:14:54,048 INFO L432 NwaCegarLoop]: 673 mSDtfsCounter, 480 mSDsluCounter, 1461 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 321 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 2134 SdHoareTripleChecker+Invalid, 1337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 321 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:14:54,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 2134 Invalid, 1337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [321 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-09 04:14:54,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2024-11-09 04:14:54,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1253. [2024-11-09 04:14:54,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 953 states have (on average 1.3326337880377754) internal successors, (1270), 968 states have internal predecessors, (1270), 228 states have call successors, (228), 74 states have call predecessors, (228), 71 states have return successors, (221), 219 states have call predecessors, (221), 219 states have call successors, (221) [2024-11-09 04:14:54,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1719 transitions. [2024-11-09 04:14:54,119 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1719 transitions. Word has length 164 [2024-11-09 04:14:54,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:14:54,119 INFO L471 AbstractCegarLoop]: Abstraction has 1253 states and 1719 transitions. [2024-11-09 04:14:54,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 04:14:54,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1719 transitions. [2024-11-09 04:14:54,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-09 04:14:54,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:14:54,126 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:14:54,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 04:14:54,126 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:14:54,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:14:54,126 INFO L85 PathProgramCache]: Analyzing trace with hash -223110231, now seen corresponding path program 1 times [2024-11-09 04:14:54,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:14:54,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79474017] [2024-11-09 04:14:54,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:14:54,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:14:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:54,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:54,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 04:14:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:54,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 04:14:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:54,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:54,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 04:14:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:54,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 04:14:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:54,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:14:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:54,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 04:14:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:54,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 04:14:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:54,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 04:14:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:54,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 04:14:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:54,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:14:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:54,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 04:14:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:54,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 04:14:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:54,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 04:14:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:54,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 04:14:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:54,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 04:14:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:54,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 04:14:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:54,641 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-09 04:14:54,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:14:54,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79474017] [2024-11-09 04:14:54,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79474017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:14:54,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:14:54,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 04:14:54,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061958924] [2024-11-09 04:14:54,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:14:54,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:14:54,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:14:54,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:14:54,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:14:54,643 INFO L87 Difference]: Start difference. First operand 1253 states and 1719 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 04:14:57,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:14:57,736 INFO L93 Difference]: Finished difference Result 1362 states and 1860 transitions. [2024-11-09 04:14:57,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 04:14:57,737 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) Word has length 167 [2024-11-09 04:14:57,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:14:57,744 INFO L225 Difference]: With dead ends: 1362 [2024-11-09 04:14:57,744 INFO L226 Difference]: Without dead ends: 1131 [2024-11-09 04:14:57,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-09 04:14:57,746 INFO L432 NwaCegarLoop]: 673 mSDtfsCounter, 478 mSDsluCounter, 3151 mSDsCounter, 0 mSdLazyCounter, 2284 mSolverCounterSat, 313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 3824 SdHoareTripleChecker+Invalid, 2597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 313 IncrementalHoareTripleChecker+Valid, 2284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:14:57,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 3824 Invalid, 2597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [313 Valid, 2284 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-09 04:14:57,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2024-11-09 04:14:57,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1104. [2024-11-09 04:14:57,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1104 states, 847 states have (on average 1.3412042502951593) internal successors, (1136), 861 states have internal predecessors, (1136), 194 states have call successors, (194), 64 states have call predecessors, (194), 62 states have return successors, (189), 187 states have call predecessors, (189), 187 states have call successors, (189) [2024-11-09 04:14:57,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1519 transitions. [2024-11-09 04:14:57,798 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1519 transitions. Word has length 167 [2024-11-09 04:14:57,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:14:57,799 INFO L471 AbstractCegarLoop]: Abstraction has 1104 states and 1519 transitions. [2024-11-09 04:14:57,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-09 04:14:57,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1519 transitions. [2024-11-09 04:14:57,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-09 04:14:57,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:14:57,804 INFO L215 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:14:57,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 04:14:57,805 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:14:57,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:14:57,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1316596252, now seen corresponding path program 1 times [2024-11-09 04:14:57,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 04:14:57,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014380884] [2024-11-09 04:14:57,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:14:57,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:14:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 04:14:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 04:14:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 04:14:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 04:14:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 04:14:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 04:14:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 04:14:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 04:14:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 04:14:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 04:14:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 04:14:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 04:14:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 04:14:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 04:14:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 04:14:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 04:14:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-09 04:14:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-09 04:14:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-09 04:14:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:14:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 04:14:58,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 04:14:58,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014380884] [2024-11-09 04:14:58,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014380884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:14:58,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:14:58,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 04:14:58,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57249726] [2024-11-09 04:14:58,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:14:58,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 04:14:58,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 04:14:58,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 04:14:58,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 04:14:58,305 INFO L87 Difference]: Start difference. First operand 1104 states and 1519 transitions. Second operand has 8 states, 8 states have (on average 14.125) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 04:14:59,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:15:01,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:15:01,646 INFO L93 Difference]: Finished difference Result 1241 states and 1694 transitions. [2024-11-09 04:15:01,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 04:15:01,648 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 176 [2024-11-09 04:15:01,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:15:01,650 INFO L225 Difference]: With dead ends: 1241 [2024-11-09 04:15:01,650 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 04:15:01,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-09 04:15:01,655 INFO L432 NwaCegarLoop]: 653 mSDtfsCounter, 475 mSDsluCounter, 3056 mSDsCounter, 0 mSdLazyCounter, 2250 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 3709 SdHoareTripleChecker+Invalid, 2557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 2250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:15:01,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 3709 Invalid, 2557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 2250 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-09 04:15:01,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 04:15:01,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 04:15:01,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:15:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 04:15:01,658 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2024-11-09 04:15:01,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:15:01,659 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 04:15:01,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 04:15:01,660 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 04:15:01,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 04:15:01,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:15:01,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 04:15:01,667 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:15:01,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.