./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-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 fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-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-wip.dd.update-z3-fca748b-m [2024-11-20 11:09:15,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 11:09:15,590 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 11:09:15,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 11:09:15,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 11:09:15,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 11:09:15,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 11:09:15,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 11:09:15,621 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 11:09:15,622 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 11:09:15,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 11:09:15,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 11:09:15,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 11:09:15,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 11:09:15,623 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 11:09:15,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 11:09:15,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 11:09:15,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 11:09:15,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 11:09:15,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 11:09:15,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 11:09:15,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 11:09:15,628 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 11:09:15,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 11:09:15,628 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 11:09:15,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 11:09:15,629 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 11:09:15,629 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 11:09:15,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 11:09:15,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 11:09:15,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 11:09:15,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 11:09:15,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 11:09:15,630 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 11:09:15,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 11:09:15,631 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 11:09:15,631 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 11:09:15,631 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 11:09:15,631 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 11:09:15,631 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3aefe7c24f7dbfd113682bd81b91ef3b049ad438c933de49acd0f78d1e093848 [2024-11-20 11:09:15,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 11:09:15,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 11:09:15,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 11:09:15,886 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 11:09:15,887 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 11:09:15,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /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 [2024-11-20 11:09:17,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 11:09:17,556 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 11:09:17,558 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 [2024-11-20 11:09:17,585 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8ceda820/d0056b9850be41a9bbfda00f3715aff5/FLAGcc26ab049 [2024-11-20 11:09:17,600 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8ceda820/d0056b9850be41a9bbfda00f3715aff5 [2024-11-20 11:09:17,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 11:09:17,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 11:09:17,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 11:09:17,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 11:09:17,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 11:09:17,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:09:17" (1/1) ... [2024-11-20 11:09:17,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724fc83e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:09:17, skipping insertion in model container [2024-11-20 11:09:17,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:09:17" (1/1) ... [2024-11-20 11:09:17,699 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 11:09:18,838 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] [2024-11-20 11:09:18,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 11:09:18,920 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 11:09:18,993 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] [2024-11-20 11:09:18,998 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] [2024-11-20 11:09:18,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3102] [2024-11-20 11:09:18,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3105] [2024-11-20 11:09:18,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3108] [2024-11-20 11:09:19,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3111] [2024-11-20 11:09:19,003 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [3173] [2024-11-20 11:09:19,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3176] [2024-11-20 11:09:19,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3179] [2024-11-20 11:09:19,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3182] [2024-11-20 11:09:19,193 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] [2024-11-20 11:09:19,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 11:09:19,243 INFO L204 MainTranslator]: Completed translation [2024-11-20 11:09:19,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:09:19 WrapperNode [2024-11-20 11:09:19,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 11:09:19,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 11:09:19,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 11:09:19,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 11:09:19,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:09:19" (1/1) ... [2024-11-20 11:09:19,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:09:19" (1/1) ... [2024-11-20 11:09:19,438 INFO L138 Inliner]: procedures = 191, calls = 833, calls flagged for inlining = 89, calls inlined = 75, statements flattened = 2352 [2024-11-20 11:09:19,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 11:09:19,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 11:09:19,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 11:09:19,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 11:09:19,453 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:09:19" (1/1) ... [2024-11-20 11:09:19,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:09:19" (1/1) ... [2024-11-20 11:09:19,474 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:09:19" (1/1) ... [2024-11-20 11:09:19,640 INFO L175 MemorySlicer]: Split 435 memory accesses to 14 slices as follows [2, 5, 7, 2, 113, 7, 7, 35, 3, 9, 8, 234, 2, 1]. 54 percent of accesses are in the largest equivalence class. The 39 initializations are split as follows [2, 0, 7, 0, 0, 7, 7, 7, 0, 9, 0, 0, 0, 0]. The 171 writes are split as follows [0, 5, 0, 0, 103, 0, 0, 28, 0, 0, 1, 34, 0, 0]. [2024-11-20 11:09:19,644 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:09:19" (1/1) ... [2024-11-20 11:09:19,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:09:19" (1/1) ... [2024-11-20 11:09:19,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:09:19" (1/1) ... [2024-11-20 11:09:19,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:09:19" (1/1) ... [2024-11-20 11:09:19,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:09:19" (1/1) ... [2024-11-20 11:09:19,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:09:19" (1/1) ... [2024-11-20 11:09:19,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 11:09:19,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 11:09:19,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 11:09:19,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 11:09:19,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:09:19" (1/1) ... [2024-11-20 11:09:19,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 11:09:19,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:09:19,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 11:09:19,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 11:09:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 11:09:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 11:09:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 11:09:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 11:09:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 11:09:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 11:09:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 11:09:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-20 11:09:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-20 11:09:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-20 11:09:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-20 11:09:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-20 11:09:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-20 11:09:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-20 11:09:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_size [2024-11-20 11:09:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_size [2024-11-20 11:09:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-20 11:09:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-20 11:09:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-20 11:09:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-20 11:09:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-20 11:09:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-20 11:09:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-20 11:09:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-20 11:09:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-20 11:09:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-20 11:09:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-20 11:09:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-20 11:09:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-20 11:09:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-20 11:09:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 11:09:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 11:09:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 11:09:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 11:09:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 11:09:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 11:09:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 11:09:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-20 11:09:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-20 11:09:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-20 11:09:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-20 11:09:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-20 11:09:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-20 11:09:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-20 11:09:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 11:09:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 11:09:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 11:09:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 11:09:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 11:09:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 11:09:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 11:09:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-20 11:09:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-20 11:09:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-20 11:09:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-20 11:09:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-20 11:09:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-20 11:09:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-20 11:09:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2024-11-20 11:09:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2024-11-20 11:09:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-20 11:09:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-20 11:09:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-20 11:09:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-20 11:09:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-20 11:09:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-20 11:09:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-20 11:09:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-20 11:09:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-20 11:09:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-20 11:09:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-20 11:09:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-20 11:09:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-20 11:09:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-20 11:09:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-20 11:09:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-20 11:09:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-20 11:09:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-20 11:09:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-20 11:09:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-20 11:09:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-20 11:09:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-20 11:09:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-20 11:09:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-20 11:09:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-20 11:09:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-20 11:09:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-20 11:09:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-20 11:09:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2024-11-20 11:09:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2024-11-20 11:09:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-20 11:09:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-20 11:09:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_done [2024-11-20 11:09:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_done [2024-11-20 11:09:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-20 11:09:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-20 11:09:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-20 11:09:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-20 11:09:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-20 11:09:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-20 11:09:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_flat [2024-11-20 11:09:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_flat [2024-11-20 11:09:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 11:09:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 11:09:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 11:09:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 11:09:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 11:09:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 11:09:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 11:09:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-20 11:09:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-20 11:09:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-20 11:09:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-20 11:09:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-20 11:09:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-20 11:09:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-20 11:09:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-20 11:09:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-20 11:09:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-20 11:09:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-20 11:09:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-20 11:09:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-20 11:09:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure input_alloc_absinfo [2024-11-20 11:09:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure input_alloc_absinfo [2024-11-20 11:09:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-20 11:09:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-20 11:09:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-20 11:09:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-20 11:09:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_find [2024-11-20 11:09:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_find [2024-11-20 11:09:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_uinput_device [2024-11-20 11:09:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_uinput_device [2024-11-20 11:09:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 11:09:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_allocate_device [2024-11-20 11:09:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_allocate_device [2024-11-20 11:09:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-20 11:09:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-20 11:09:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 11:09:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl_handler [2024-11-20 11:09:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl_handler [2024-11-20 11:09:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 11:09:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 11:09:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 11:09:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 11:09:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 11:09:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 11:09:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 11:09:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-20 11:09:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-20 11:09:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-20 11:09:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-20 11:09:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-20 11:09:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-20 11:09:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-20 11:09:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 11:09:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-20 11:09:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-20 11:09:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_from_user [2024-11-20 11:09:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_from_user [2024-11-20 11:09:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_destroy_device [2024-11-20 11:09:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_destroy_device [2024-11-20 11:09:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 11:09:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 11:09:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 11:09:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 11:09:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 11:09:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 11:09:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 11:09:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-20 11:09:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-20 11:09:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-20 11:09:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-20 11:09:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-20 11:09:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-20 11:09:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-20 11:09:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2024-11-20 11:09:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2024-11-20 11:09:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-20 11:09:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-20 11:09:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-20 11:09:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-20 11:09:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2024-11-20 11:09:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2024-11-20 11:09:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-20 11:09:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-20 11:09:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2024-11-20 11:09:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2024-11-20 11:09:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 11:09:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 11:09:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 11:09:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 11:09:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 11:09:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 11:09:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 11:09:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-20 11:09:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-20 11:09:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-20 11:09:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-20 11:09:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-20 11:09:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-20 11:09:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-20 11:09:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-20 11:09:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2024-11-20 11:09:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2024-11-20 11:09:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-20 11:09:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-20 11:09:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2024-11-20 11:09:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2024-11-20 11:09:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-20 11:09:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-20 11:09:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-20 11:09:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-20 11:09:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-20 11:09:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-20 11:09:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-11-20 11:09:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-11-20 11:09:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-20 11:09:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-20 11:09:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-20 11:09:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-20 11:09:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 11:09:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 11:09:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 11:09:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 11:09:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 11:09:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 11:09:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 11:09:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-20 11:09:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-20 11:09:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-20 11:09:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-20 11:09:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-20 11:09:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-20 11:09:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-20 11:09:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-20 11:09:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-20 11:09:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2024-11-20 11:09:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2024-11-20 11:09:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-20 11:09:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-20 11:09:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-20 11:09:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-20 11:09:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-20 11:09:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-20 11:09:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-20 11:09:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-20 11:09:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-20 11:09:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-20 11:09:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-20 11:09:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-20 11:09:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-20 11:09:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-20 11:09:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-20 11:09:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-20 11:09:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-11-20 11:09:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-11-20 11:09:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 11:09:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 11:09:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-20 11:09:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-20 11:09:20,443 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 11:09:20,446 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 11:09:33,470 INFO L? ?]: Removed 1208 outVars from TransFormulas that were not future-live. [2024-11-20 11:09:33,471 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 11:09:33,506 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 11:09:33,509 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 11:09:33,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:09:33 BoogieIcfgContainer [2024-11-20 11:09:33,510 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 11:09:33,512 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 11:09:33,513 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 11:09:33,519 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 11:09:33,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:09:17" (1/3) ... [2024-11-20 11:09:33,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb85013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:09:33, skipping insertion in model container [2024-11-20 11:09:33,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:09:19" (2/3) ... [2024-11-20 11:09:33,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb85013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:09:33, skipping insertion in model container [2024-11-20 11:09:33,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:09:33" (3/3) ... [2024-11-20 11:09:33,526 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2024-11-20 11:09:33,542 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 11:09:33,545 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 11:09:33,635 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 11:09:33,642 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;@b3b315, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 11:09:33,643 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 11:09:33,649 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) [2024-11-20 11:09:33,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-20 11:09:33,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:09:33,659 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:09:33,660 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:09:33,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:09:33,667 INFO L85 PathProgramCache]: Analyzing trace with hash -2073045771, now seen corresponding path program 1 times [2024-11-20 11:09:33,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:09:33,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417469509] [2024-11-20 11:09:33,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:09:33,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:09:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:34,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:09:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:34,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 11:09:34,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:09:34,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417469509] [2024-11-20 11:09:34,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417469509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:09:34,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:09:34,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 11:09:34,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223641364] [2024-11-20 11:09:34,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:09:34,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:09:34,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:09:34,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:09:34,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 11:09:34,219 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) [2024-11-20 11:09:35,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:09:35,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:09:35,504 INFO L93 Difference]: Finished difference Result 1421 states and 2005 transitions. [2024-11-20 11:09:35,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:09:35,506 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 [2024-11-20 11:09:35,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:09:35,525 INFO L225 Difference]: With dead ends: 1421 [2024-11-20 11:09:35,525 INFO L226 Difference]: Without dead ends: 709 [2024-11-20 11:09:35,536 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 [2024-11-20 11:09:35,541 INFO L432 NwaCegarLoop]: 989 mSDtfsCounter, 981 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 11:09:35,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [981 Valid, 989 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 11:09:35,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-11-20 11:09:35,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709. [2024-11-20 11:09:35,653 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) [2024-11-20 11:09:35,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 986 transitions. [2024-11-20 11:09:35,663 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 986 transitions. Word has length 14 [2024-11-20 11:09:35,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:09:35,664 INFO L471 AbstractCegarLoop]: Abstraction has 709 states and 986 transitions. [2024-11-20 11:09:35,665 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) [2024-11-20 11:09:35,665 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 986 transitions. [2024-11-20 11:09:35,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-20 11:09:35,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:09:35,666 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:09:35,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 11:09:35,666 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:09:35,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:09:35,667 INFO L85 PathProgramCache]: Analyzing trace with hash 159806965, now seen corresponding path program 1 times [2024-11-20 11:09:35,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:09:35,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34590652] [2024-11-20 11:09:35,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:09:35,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:09:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:35,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:09:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:35,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 11:09:35,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:09:35,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34590652] [2024-11-20 11:09:35,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34590652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:09:35,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:09:35,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 11:09:35,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800304677] [2024-11-20 11:09:35,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:09:35,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:09:35,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:09:35,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:09:35,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 11:09:35,934 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) [2024-11-20 11:09:36,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:09:36,791 INFO L93 Difference]: Finished difference Result 711 states and 987 transitions. [2024-11-20 11:09:36,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:09:36,791 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 [2024-11-20 11:09:36,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:09:36,798 INFO L225 Difference]: With dead ends: 711 [2024-11-20 11:09:36,799 INFO L226 Difference]: Without dead ends: 708 [2024-11-20 11:09:36,800 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 [2024-11-20 11:09:36,801 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 [2024-11-20 11:09:36,801 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] [2024-11-20 11:09:36,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2024-11-20 11:09:36,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 708. [2024-11-20 11:09:36,831 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) [2024-11-20 11:09:36,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 984 transitions. [2024-11-20 11:09:36,837 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 984 transitions. Word has length 15 [2024-11-20 11:09:36,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:09:36,838 INFO L471 AbstractCegarLoop]: Abstraction has 708 states and 984 transitions. [2024-11-20 11:09:36,838 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) [2024-11-20 11:09:36,838 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 984 transitions. [2024-11-20 11:09:36,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-20 11:09:36,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:09:36,839 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:09:36,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 11:09:36,840 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:09:36,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:09:36,841 INFO L85 PathProgramCache]: Analyzing trace with hash 658769912, now seen corresponding path program 1 times [2024-11-20 11:09:36,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:09:36,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99544860] [2024-11-20 11:09:36,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:09:36,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:09:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:37,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:09:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:37,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 11:09:37,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:09:37,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99544860] [2024-11-20 11:09:37,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99544860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:09:37,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:09:37,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 11:09:37,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427646027] [2024-11-20 11:09:37,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:09:37,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 11:09:37,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:09:37,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 11:09:37,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 11:09:37,022 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) [2024-11-20 11:09:38,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:09:38,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:09:38,701 INFO L93 Difference]: Finished difference Result 2052 states and 2874 transitions. [2024-11-20 11:09:38,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 11:09:38,702 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 [2024-11-20 11:09:38,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:09:38,714 INFO L225 Difference]: With dead ends: 2052 [2024-11-20 11:09:38,714 INFO L226 Difference]: Without dead ends: 1344 [2024-11-20 11:09:38,717 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 [2024-11-20 11:09:38,719 INFO L432 NwaCegarLoop]: 1529 mSDtfsCounter, 971 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.6s IncrementalHoareTripleChecker+Time [2024-11-20 11:09:38,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 2425 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-20 11:09:38,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2024-11-20 11:09:38,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1341. [2024-11-20 11:09:38,775 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) [2024-11-20 11:09:38,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 1875 transitions. [2024-11-20 11:09:38,782 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 1875 transitions. Word has length 16 [2024-11-20 11:09:38,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:09:38,783 INFO L471 AbstractCegarLoop]: Abstraction has 1341 states and 1875 transitions. [2024-11-20 11:09:38,783 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) [2024-11-20 11:09:38,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1875 transitions. [2024-11-20 11:09:38,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-20 11:09:38,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:09:38,789 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] [2024-11-20 11:09:38,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 11:09:38,789 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:09:38,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:09:38,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1891452212, now seen corresponding path program 1 times [2024-11-20 11:09:38,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:09:38,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391336239] [2024-11-20 11:09:38,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:09:38,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:09:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:39,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:09:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:39,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 11:09:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:39,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 11:09:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:39,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 11:09:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:39,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 11:09:39,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:09:39,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391336239] [2024-11-20 11:09:39,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391336239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:09:39,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:09:39,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 11:09:39,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509717976] [2024-11-20 11:09:39,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:09:39,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 11:09:39,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:09:39,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 11:09:39,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 11:09:39,056 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) [2024-11-20 11:09:40,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:09:42,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:09:42,830 INFO L93 Difference]: Finished difference Result 2755 states and 3875 transitions. [2024-11-20 11:09:42,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 11:09:42,830 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 [2024-11-20 11:09:42,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:09:42,841 INFO L225 Difference]: With dead ends: 2755 [2024-11-20 11:09:42,841 INFO L226 Difference]: Without dead ends: 1422 [2024-11-20 11:09:42,847 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 [2024-11-20 11:09:42,848 INFO L432 NwaCegarLoop]: 927 mSDtfsCounter, 531 mSDsluCounter, 1262 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 3.6s IncrementalHoareTripleChecker+Time [2024-11-20 11:09:42,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 2189 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-20 11:09:42,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2024-11-20 11:09:42,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1411. [2024-11-20 11:09:42,913 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) [2024-11-20 11:09:42,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 1982 transitions. [2024-11-20 11:09:42,923 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 1982 transitions. Word has length 44 [2024-11-20 11:09:42,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:09:42,923 INFO L471 AbstractCegarLoop]: Abstraction has 1411 states and 1982 transitions. [2024-11-20 11:09:42,924 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) [2024-11-20 11:09:42,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1982 transitions. [2024-11-20 11:09:42,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-20 11:09:42,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:09:42,930 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] [2024-11-20 11:09:42,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 11:09:42,930 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:09:42,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:09:42,931 INFO L85 PathProgramCache]: Analyzing trace with hash -775648113, now seen corresponding path program 1 times [2024-11-20 11:09:42,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:09:42,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926623510] [2024-11-20 11:09:42,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:09:42,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:09:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:43,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:09:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:43,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 11:09:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:43,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 11:09:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:43,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 11:09:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:43,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 11:09:43,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:09:43,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926623510] [2024-11-20 11:09:43,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926623510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:09:43,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:09:43,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 11:09:43,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632342001] [2024-11-20 11:09:43,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:09:43,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 11:09:43,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:09:43,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 11:09:43,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 11:09:43,240 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) [2024-11-20 11:09:47,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:09:47,578 INFO L93 Difference]: Finished difference Result 2818 states and 3961 transitions. [2024-11-20 11:09:47,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 11:09:47,579 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 [2024-11-20 11:09:47,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:09:47,591 INFO L225 Difference]: With dead ends: 2818 [2024-11-20 11:09:47,591 INFO L226 Difference]: Without dead ends: 1415 [2024-11-20 11:09:47,598 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 [2024-11-20 11:09:47,599 INFO L432 NwaCegarLoop]: 986 mSDtfsCounter, 1392 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s 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, 4.1s IncrementalHoareTripleChecker+Time [2024-11-20 11:09:47,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1547 Valid, 2069 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [294 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-20 11:09:47,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2024-11-20 11:09:47,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1404. [2024-11-20 11:09:47,650 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) [2024-11-20 11:09:47,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 1957 transitions. [2024-11-20 11:09:47,659 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 1957 transitions. Word has length 55 [2024-11-20 11:09:47,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:09:47,660 INFO L471 AbstractCegarLoop]: Abstraction has 1404 states and 1957 transitions. [2024-11-20 11:09:47,660 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) [2024-11-20 11:09:47,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1957 transitions. [2024-11-20 11:09:47,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-20 11:09:47,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:09:47,664 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] [2024-11-20 11:09:47,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 11:09:47,664 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:09:47,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:09:47,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1620119984, now seen corresponding path program 1 times [2024-11-20 11:09:47,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:09:47,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994159312] [2024-11-20 11:09:47,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:09:47,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:09:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:47,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:09:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:47,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 11:09:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:47,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 11:09:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:47,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 11:09:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:48,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 11:09:48,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:09:48,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994159312] [2024-11-20 11:09:48,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994159312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:09:48,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:09:48,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 11:09:48,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110817401] [2024-11-20 11:09:48,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:09:48,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 11:09:48,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:09:48,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 11:09:48,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 11:09:48,011 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) [2024-11-20 11:09:51,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:09:51,194 INFO L93 Difference]: Finished difference Result 1536 states and 2114 transitions. [2024-11-20 11:09:51,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 11:09:51,195 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 [2024-11-20 11:09:51,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:09:51,202 INFO L225 Difference]: With dead ends: 1536 [2024-11-20 11:09:51,203 INFO L226 Difference]: Without dead ends: 1178 [2024-11-20 11:09:51,205 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 [2024-11-20 11:09:51,205 INFO L432 NwaCegarLoop]: 695 mSDtfsCounter, 281 mSDsluCounter, 2808 mSDsCounter, 0 mSdLazyCounter, 2056 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 3503 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 [2024-11-20 11:09:51,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 3503 Invalid, 2174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 2056 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-20 11:09:51,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2024-11-20 11:09:51,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1171. [2024-11-20 11:09:51,244 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) [2024-11-20 11:09:51,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1601 transitions. [2024-11-20 11:09:51,251 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1601 transitions. Word has length 55 [2024-11-20 11:09:51,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:09:51,252 INFO L471 AbstractCegarLoop]: Abstraction has 1171 states and 1601 transitions. [2024-11-20 11:09:51,252 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) [2024-11-20 11:09:51,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1601 transitions. [2024-11-20 11:09:51,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-20 11:09:51,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:09:51,253 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] [2024-11-20 11:09:51,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 11:09:51,254 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:09:51,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:09:51,254 INFO L85 PathProgramCache]: Analyzing trace with hash -204456961, now seen corresponding path program 1 times [2024-11-20 11:09:51,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:09:51,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613795745] [2024-11-20 11:09:51,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:09:51,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:09:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:51,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:09:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:51,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-20 11:09:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:51,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 11:09:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:51,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:09:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:51,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 11:09:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:51,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-20 11:09:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:51,679 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 11:09:51,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:09:51,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613795745] [2024-11-20 11:09:51,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613795745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:09:51,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:09:51,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 11:09:51,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288162208] [2024-11-20 11:09:51,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:09:51,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 11:09:51,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:09:51,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 11:09:51,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 11:09:51,682 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) [2024-11-20 11:09:53,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:09:55,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:09:55,294 INFO L93 Difference]: Finished difference Result 1438 states and 1968 transitions. [2024-11-20 11:09:55,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 11:09:55,295 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 [2024-11-20 11:09:55,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:09:55,300 INFO L225 Difference]: With dead ends: 1438 [2024-11-20 11:09:55,300 INFO L226 Difference]: Without dead ends: 1190 [2024-11-20 11:09:55,301 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 [2024-11-20 11:09:55,301 INFO L432 NwaCegarLoop]: 680 mSDtfsCounter, 609 mSDsluCounter, 2612 mSDsCounter, 0 mSdLazyCounter, 2174 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s 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, 3.5s IncrementalHoareTripleChecker+Time [2024-11-20 11:09:55,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 3292 Invalid, 2447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 2174 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-20 11:09:55,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2024-11-20 11:09:55,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1161. [2024-11-20 11:09:55,343 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) [2024-11-20 11:09:55,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1587 transitions. [2024-11-20 11:09:55,348 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1587 transitions. Word has length 58 [2024-11-20 11:09:55,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:09:55,349 INFO L471 AbstractCegarLoop]: Abstraction has 1161 states and 1587 transitions. [2024-11-20 11:09:55,349 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) [2024-11-20 11:09:55,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1587 transitions. [2024-11-20 11:09:55,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-20 11:09:55,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:09:55,352 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] [2024-11-20 11:09:55,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 11:09:55,353 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:09:55,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:09:55,353 INFO L85 PathProgramCache]: Analyzing trace with hash -254305111, now seen corresponding path program 1 times [2024-11-20 11:09:55,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:09:55,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664274819] [2024-11-20 11:09:55,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:09:55,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:09:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:55,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:09:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:55,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 11:09:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:55,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-20 11:09:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:55,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:09:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:55,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-20 11:09:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:55,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 11:09:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:55,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 11:09:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:55,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-20 11:09:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:55,582 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-20 11:09:55,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:09:55,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664274819] [2024-11-20 11:09:55,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664274819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:09:55,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:09:55,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 11:09:55,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177476941] [2024-11-20 11:09:55,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:09:55,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 11:09:55,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:09:55,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 11:09:55,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 11:09:55,586 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) [2024-11-20 11:09:58,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:09:58,607 INFO L93 Difference]: Finished difference Result 2354 states and 3223 transitions. [2024-11-20 11:09:58,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 11:09:58,607 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 [2024-11-20 11:09:58,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:09:58,613 INFO L225 Difference]: With dead ends: 2354 [2024-11-20 11:09:58,614 INFO L226 Difference]: Without dead ends: 1198 [2024-11-20 11:09:58,619 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 [2024-11-20 11:09:58,619 INFO L432 NwaCegarLoop]: 675 mSDtfsCounter, 486 mSDsluCounter, 2027 mSDsCounter, 0 mSdLazyCounter, 1462 mSolverCounterSat, 320 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 2702 SdHoareTripleChecker+Invalid, 1782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 320 IncrementalHoareTripleChecker+Valid, 1462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-20 11:09:58,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 2702 Invalid, 1782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [320 Valid, 1462 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-20 11:09:58,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2024-11-20 11:09:58,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1164. [2024-11-20 11:09:58,657 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) [2024-11-20 11:09:58,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1590 transitions. [2024-11-20 11:09:58,662 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1590 transitions. Word has length 75 [2024-11-20 11:09:58,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:09:58,663 INFO L471 AbstractCegarLoop]: Abstraction has 1164 states and 1590 transitions. [2024-11-20 11:09:58,663 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) [2024-11-20 11:09:58,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1590 transitions. [2024-11-20 11:09:58,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-20 11:09:58,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:09:58,666 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] [2024-11-20 11:09:58,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 11:09:58,666 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:09:58,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:09:58,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1639220495, now seen corresponding path program 1 times [2024-11-20 11:09:58,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:09:58,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349772782] [2024-11-20 11:09:58,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:09:58,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:09:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:58,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:09:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:58,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 11:09:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:58,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-20 11:09:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:58,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:09:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:58,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 11:09:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:58,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 11:09:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:58,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:09:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:58,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 11:09:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:58,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:09:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:58,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 11:09:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:09:59,014 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-20 11:09:59,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:09:59,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349772782] [2024-11-20 11:09:59,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349772782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:09:59,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:09:59,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 11:09:59,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968721227] [2024-11-20 11:09:59,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:09:59,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 11:09:59,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:09:59,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 11:09:59,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-20 11:09:59,018 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) [2024-11-20 11:10:02,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:10:02,035 INFO L93 Difference]: Finished difference Result 2333 states and 3191 transitions. [2024-11-20 11:10:02,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 11:10:02,036 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 [2024-11-20 11:10:02,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:10:02,042 INFO L225 Difference]: With dead ends: 2333 [2024-11-20 11:10:02,042 INFO L226 Difference]: Without dead ends: 1177 [2024-11-20 11:10:02,046 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 [2024-11-20 11:10:02,046 INFO L432 NwaCegarLoop]: 675 mSDtfsCounter, 489 mSDsluCounter, 3153 mSDsCounter, 0 mSdLazyCounter, 2330 mSolverCounterSat, 325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 3828 SdHoareTripleChecker+Invalid, 2655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 325 IncrementalHoareTripleChecker+Valid, 2330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-20 11:10:02,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 3828 Invalid, 2655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [325 Valid, 2330 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-20 11:10:02,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2024-11-20 11:10:02,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1142. [2024-11-20 11:10:02,086 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) [2024-11-20 11:10:02,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 1558 transitions. [2024-11-20 11:10:02,091 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 1558 transitions. Word has length 89 [2024-11-20 11:10:02,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:10:02,091 INFO L471 AbstractCegarLoop]: Abstraction has 1142 states and 1558 transitions. [2024-11-20 11:10:02,091 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) [2024-11-20 11:10:02,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1558 transitions. [2024-11-20 11:10:02,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-20 11:10:02,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:10:02,094 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] [2024-11-20 11:10:02,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 11:10:02,095 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:10:02,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:10:02,095 INFO L85 PathProgramCache]: Analyzing trace with hash -846047142, now seen corresponding path program 1 times [2024-11-20 11:10:02,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:10:02,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032913581] [2024-11-20 11:10:02,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:10:02,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:10:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:02,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:10:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:02,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 11:10:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:02,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-20 11:10:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:02,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:10:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:02,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 11:10:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:02,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 11:10:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:02,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:10:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:02,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 11:10:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:02,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:10:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:02,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 11:10:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:02,395 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-20 11:10:02,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:10:02,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032913581] [2024-11-20 11:10:02,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032913581] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:10:02,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905804731] [2024-11-20 11:10:02,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:10:02,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:10:02,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:10:02,408 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) [2024-11-20 11:10:02,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 11:10:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:02,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 984 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 11:10:02,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:10:03,091 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-20 11:10:03,091 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 11:10:03,298 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-20 11:10:03,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905804731] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 11:10:03,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 11:10:03,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 7 [2024-11-20 11:10:03,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027108470] [2024-11-20 11:10:03,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 11:10:03,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 11:10:03,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:10:03,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 11:10:03,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-20 11:10:03,300 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) [2024-11-20 11:10:05,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:10:05,698 INFO L93 Difference]: Finished difference Result 2467 states and 3399 transitions. [2024-11-20 11:10:05,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 11:10:05,699 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 [2024-11-20 11:10:05,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:10:05,705 INFO L225 Difference]: With dead ends: 2467 [2024-11-20 11:10:05,705 INFO L226 Difference]: Without dead ends: 1333 [2024-11-20 11:10:05,707 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 [2024-11-20 11:10:05,708 INFO L432 NwaCegarLoop]: 678 mSDtfsCounter, 771 mSDsluCounter, 1513 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.3s IncrementalHoareTripleChecker+Time [2024-11-20 11:10:05,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [818 Valid, 2191 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [377 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-20 11:10:05,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2024-11-20 11:10:05,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 1260. [2024-11-20 11:10:05,750 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) [2024-11-20 11:10:05,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 1740 transitions. [2024-11-20 11:10:05,756 INFO L78 Accepts]: Start accepts. Automaton has 1260 states and 1740 transitions. Word has length 91 [2024-11-20 11:10:05,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:10:05,756 INFO L471 AbstractCegarLoop]: Abstraction has 1260 states and 1740 transitions. [2024-11-20 11:10:05,757 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) [2024-11-20 11:10:05,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1740 transitions. [2024-11-20 11:10:05,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-20 11:10:05,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:10:05,760 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] [2024-11-20 11:10:05,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 11:10:05,961 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 [2024-11-20 11:10:05,962 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:10:05,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:10:05,962 INFO L85 PathProgramCache]: Analyzing trace with hash 2136353820, now seen corresponding path program 1 times [2024-11-20 11:10:05,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:10:05,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639710904] [2024-11-20 11:10:05,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:10:05,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:10:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:06,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:10:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:06,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 11:10:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:06,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-20 11:10:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:06,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:10:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:06,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 11:10:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:06,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 11:10:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:06,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:10:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:06,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 11:10:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:06,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:10:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:06,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 11:10:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:06,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 11:10:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:06,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 11:10:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:06,426 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-20 11:10:06,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:10:06,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639710904] [2024-11-20 11:10:06,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639710904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:10:06,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:10:06,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 11:10:06,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817191240] [2024-11-20 11:10:06,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:10:06,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 11:10:06,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:10:06,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 11:10:06,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-20 11:10:06,428 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) [2024-11-20 11:10:10,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:10:10,226 INFO L93 Difference]: Finished difference Result 1315 states and 1817 transitions. [2024-11-20 11:10:10,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 11:10:10,227 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 [2024-11-20 11:10:10,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:10:10,233 INFO L225 Difference]: With dead ends: 1315 [2024-11-20 11:10:10,233 INFO L226 Difference]: Without dead ends: 1302 [2024-11-20 11:10:10,234 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 [2024-11-20 11:10:10,234 INFO L432 NwaCegarLoop]: 672 mSDtfsCounter, 509 mSDsluCounter, 4243 mSDsCounter, 0 mSdLazyCounter, 3210 mSolverCounterSat, 319 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 3.7s IncrementalHoareTripleChecker+Time [2024-11-20 11:10:10,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 4915 Invalid, 3529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [319 Valid, 3210 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-20 11:10:10,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2024-11-20 11:10:10,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 1263. [2024-11-20 11:10:10,297 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) [2024-11-20 11:10:10,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 1744 transitions. [2024-11-20 11:10:10,301 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 1744 transitions. Word has length 100 [2024-11-20 11:10:10,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:10:10,302 INFO L471 AbstractCegarLoop]: Abstraction has 1263 states and 1744 transitions. [2024-11-20 11:10:10,302 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) [2024-11-20 11:10:10,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1744 transitions. [2024-11-20 11:10:10,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-20 11:10:10,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:10:10,305 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] [2024-11-20 11:10:10,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 11:10:10,305 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:10:10,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:10:10,305 INFO L85 PathProgramCache]: Analyzing trace with hash 2007044835, now seen corresponding path program 1 times [2024-11-20 11:10:10,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:10:10,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351951156] [2024-11-20 11:10:10,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:10:10,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:10:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:10,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:10:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:10,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 11:10:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:10,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-20 11:10:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:10,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:10:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:10,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 11:10:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:10,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 11:10:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:10,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:10:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:10,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 11:10:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:10,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:10:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:10,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 11:10:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:10,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 11:10:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:10,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 11:10:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-20 11:10:10,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:10:10,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351951156] [2024-11-20 11:10:10,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351951156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:10:10,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:10:10,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 11:10:10,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887209718] [2024-11-20 11:10:10,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:10:10,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 11:10:10,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:10:10,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 11:10:10,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-20 11:10:10,578 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) [2024-11-20 11:10:11,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 11:10:14,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:10:14,309 INFO L93 Difference]: Finished difference Result 2550 states and 3530 transitions. [2024-11-20 11:10:14,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 11:10:14,309 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 [2024-11-20 11:10:14,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:10:14,315 INFO L225 Difference]: With dead ends: 2550 [2024-11-20 11:10:14,316 INFO L226 Difference]: Without dead ends: 1295 [2024-11-20 11:10:14,319 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 [2024-11-20 11:10:14,320 INFO L432 NwaCegarLoop]: 672 mSDtfsCounter, 508 mSDsluCounter, 3124 mSDsCounter, 0 mSdLazyCounter, 2311 mSolverCounterSat, 319 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 3796 SdHoareTripleChecker+Invalid, 2630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 319 IncrementalHoareTripleChecker+Valid, 2311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-20 11:10:14,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 3796 Invalid, 2630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [319 Valid, 2311 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-20 11:10:14,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2024-11-20 11:10:14,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1261. [2024-11-20 11:10:14,363 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) [2024-11-20 11:10:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1740 transitions. [2024-11-20 11:10:14,368 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1740 transitions. Word has length 102 [2024-11-20 11:10:14,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:10:14,368 INFO L471 AbstractCegarLoop]: Abstraction has 1261 states and 1740 transitions. [2024-11-20 11:10:14,369 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) [2024-11-20 11:10:14,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1740 transitions. [2024-11-20 11:10:14,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-20 11:10:14,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:10:14,374 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] [2024-11-20 11:10:14,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 11:10:14,374 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:10:14,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:10:14,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1755839994, now seen corresponding path program 1 times [2024-11-20 11:10:14,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:10:14,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898185036] [2024-11-20 11:10:14,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:10:14,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:10:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:14,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:10:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:14,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 11:10:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:14,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-20 11:10:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:14,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:10:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:14,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 11:10:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:14,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 11:10:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:14,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:10:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:14,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 11:10:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:14,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:10:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:14,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 11:10:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:14,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 11:10:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:14,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 11:10:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:14,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 11:10:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:14,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 11:10:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:14,887 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-20 11:10:14,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:10:14,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898185036] [2024-11-20 11:10:14,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898185036] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 11:10:14,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766700158] [2024-11-20 11:10:14,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:10:14,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 11:10:14,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 11:10:14,893 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) [2024-11-20 11:10:14,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 11:10:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:15,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 1137 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 11:10:15,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 11:10:15,516 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-20 11:10:15,517 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 11:10:15,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766700158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:10:15,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 11:10:15,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 10 [2024-11-20 11:10:15,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257656499] [2024-11-20 11:10:15,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:10:15,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 11:10:15,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:10:15,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 11:10:15,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-20 11:10:15,519 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) [2024-11-20 11:10:15,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:10:15,627 INFO L93 Difference]: Finished difference Result 2518 states and 3476 transitions. [2024-11-20 11:10:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 11:10:15,628 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 [2024-11-20 11:10:15,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:10:15,634 INFO L225 Difference]: With dead ends: 2518 [2024-11-20 11:10:15,635 INFO L226 Difference]: Without dead ends: 1253 [2024-11-20 11:10:15,638 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 [2024-11-20 11:10:15,639 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 [2024-11-20 11:10:15,639 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] [2024-11-20 11:10:15,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2024-11-20 11:10:15,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1253. [2024-11-20 11:10:15,677 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) [2024-11-20 11:10:15,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1725 transitions. [2024-11-20 11:10:15,686 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1725 transitions. Word has length 124 [2024-11-20 11:10:15,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:10:15,687 INFO L471 AbstractCegarLoop]: Abstraction has 1253 states and 1725 transitions. [2024-11-20 11:10:15,687 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) [2024-11-20 11:10:15,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1725 transitions. [2024-11-20 11:10:15,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-20 11:10:15,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:10:15,692 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] [2024-11-20 11:10:15,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 11:10:15,892 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 [2024-11-20 11:10:15,893 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:10:15,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:10:15,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1050214026, now seen corresponding path program 1 times [2024-11-20 11:10:15,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:10:15,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403148345] [2024-11-20 11:10:15,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:10:15,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:10:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:16,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:10:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:16,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 11:10:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:16,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-20 11:10:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:16,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:10:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:16,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 11:10:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:16,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 11:10:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:16,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:10:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:16,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 11:10:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:16,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:10:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:16,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 11:10:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:16,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 11:10:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:16,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:10:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:16,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 11:10:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:16,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 11:10:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:16,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 11:10:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:16,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 11:10:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:16,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 11:10:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:16,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 11:10:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:16,174 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-20 11:10:16,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:10:16,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403148345] [2024-11-20 11:10:16,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403148345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:10:16,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:10:16,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 11:10:16,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126378401] [2024-11-20 11:10:16,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:10:16,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 11:10:16,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:10:16,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 11:10:16,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 11:10:16,176 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) [2024-11-20 11:10:18,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:10:18,498 INFO L93 Difference]: Finished difference Result 2532 states and 3516 transitions. [2024-11-20 11:10:18,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 11:10:18,499 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 [2024-11-20 11:10:18,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:10:18,505 INFO L225 Difference]: With dead ends: 2532 [2024-11-20 11:10:18,505 INFO L226 Difference]: Without dead ends: 1287 [2024-11-20 11:10:18,508 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 [2024-11-20 11:10:18,509 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 [2024-11-20 11:10:18,509 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] [2024-11-20 11:10:18,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2024-11-20 11:10:18,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1253. [2024-11-20 11:10:18,573 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) [2024-11-20 11:10:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1719 transitions. [2024-11-20 11:10:18,578 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1719 transitions. Word has length 164 [2024-11-20 11:10:18,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:10:18,578 INFO L471 AbstractCegarLoop]: Abstraction has 1253 states and 1719 transitions. [2024-11-20 11:10:18,579 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) [2024-11-20 11:10:18,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1719 transitions. [2024-11-20 11:10:18,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-20 11:10:18,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:10:18,584 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] [2024-11-20 11:10:18,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 11:10:18,584 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:10:18,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:10:18,585 INFO L85 PathProgramCache]: Analyzing trace with hash -223110231, now seen corresponding path program 1 times [2024-11-20 11:10:18,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:10:18,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144677565] [2024-11-20 11:10:18,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:10:18,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:10:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:18,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:10:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:18,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 11:10:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:18,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-20 11:10:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:18,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:10:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:18,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 11:10:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:18,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 11:10:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:18,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:10:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:18,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 11:10:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:18,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:10:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:18,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 11:10:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:18,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 11:10:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:18,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:10:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:18,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 11:10:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:18,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 11:10:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:18,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 11:10:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:18,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 11:10:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:18,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 11:10:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:18,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 11:10:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-20 11:10:18,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:10:18,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144677565] [2024-11-20 11:10:18,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144677565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:10:18,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:10:18,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 11:10:18,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131395122] [2024-11-20 11:10:18,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:10:18,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 11:10:18,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:10:18,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 11:10:18,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-20 11:10:18,943 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) [2024-11-20 11:10:22,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:10:22,407 INFO L93 Difference]: Finished difference Result 1362 states and 1860 transitions. [2024-11-20 11:10:22,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 11:10:22,408 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 [2024-11-20 11:10:22,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:10:22,413 INFO L225 Difference]: With dead ends: 1362 [2024-11-20 11:10:22,414 INFO L226 Difference]: Without dead ends: 1131 [2024-11-20 11:10:22,414 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 [2024-11-20 11:10:22,415 INFO L432 NwaCegarLoop]: 673 mSDtfsCounter, 478 mSDsluCounter, 3151 mSDsCounter, 0 mSdLazyCounter, 2284 mSolverCounterSat, 313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.3s IncrementalHoareTripleChecker+Time [2024-11-20 11:10:22,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 3824 Invalid, 2597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [313 Valid, 2284 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-20 11:10:22,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2024-11-20 11:10:22,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1104. [2024-11-20 11:10:22,449 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) [2024-11-20 11:10:22,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1519 transitions. [2024-11-20 11:10:22,455 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1519 transitions. Word has length 167 [2024-11-20 11:10:22,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:10:22,455 INFO L471 AbstractCegarLoop]: Abstraction has 1104 states and 1519 transitions. [2024-11-20 11:10:22,455 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) [2024-11-20 11:10:22,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1519 transitions. [2024-11-20 11:10:22,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-20 11:10:22,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 11:10:22,462 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] [2024-11-20 11:10:22,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 11:10:22,462 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 11:10:22,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 11:10:22,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1316596252, now seen corresponding path program 1 times [2024-11-20 11:10:22,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 11:10:22,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483170616] [2024-11-20 11:10:22,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 11:10:22,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 11:10:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:10:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 11:10:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-20 11:10:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 11:10:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 11:10:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 11:10:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 11:10:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 11:10:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 11:10:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 11:10:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 11:10:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 11:10:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 11:10:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 11:10:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 11:10:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 11:10:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 11:10:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 11:10:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 11:10:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 11:10:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 11:10:22,852 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-20 11:10:22,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 11:10:22,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483170616] [2024-11-20 11:10:22,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483170616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 11:10:22,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 11:10:22,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 11:10:22,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193932159] [2024-11-20 11:10:22,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 11:10:22,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 11:10:22,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 11:10:22,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 11:10:22,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-20 11:10:22,854 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) [2024-11-20 11:10:26,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 11:10:26,443 INFO L93 Difference]: Finished difference Result 1241 states and 1694 transitions. [2024-11-20 11:10:26,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 11:10:26,447 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 [2024-11-20 11:10:26,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 11:10:26,449 INFO L225 Difference]: With dead ends: 1241 [2024-11-20 11:10:26,449 INFO L226 Difference]: Without dead ends: 0 [2024-11-20 11:10:26,454 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 [2024-11-20 11:10:26,455 INFO L432 NwaCegarLoop]: 653 mSDtfsCounter, 475 mSDsluCounter, 3056 mSDsCounter, 0 mSdLazyCounter, 2250 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 3.5s IncrementalHoareTripleChecker+Time [2024-11-20 11:10:26,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 3709 Invalid, 2557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 2250 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-20 11:10:26,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-20 11:10:26,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-20 11:10:26,456 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) [2024-11-20 11:10:26,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-20 11:10:26,459 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2024-11-20 11:10:26,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 11:10:26,459 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-20 11:10:26,460 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) [2024-11-20 11:10:26,460 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-20 11:10:26,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-20 11:10:26,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 11:10:26,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 11:10:26,468 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 11:10:26,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.