./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3aefe7c24f7dbfd113682bd81b91ef3b049ad438c933de49acd0f78d1e093848 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 09:52:36,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 09:52:36,589 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 09:52:36,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 09:52:36,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 09:52:36,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 09:52:36,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 09:52:36,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 09:52:36,633 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 09:52:36,634 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 09:52:36,635 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 09:52:36,635 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 09:52:36,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 09:52:36,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 09:52:36,636 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 09:52:36,638 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 09:52:36,638 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 09:52:36,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 09:52:36,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 09:52:36,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 09:52:36,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 09:52:36,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 09:52:36,642 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 09:52:36,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 09:52:36,642 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 09:52:36,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 09:52:36,643 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 09:52:36,643 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 09:52:36,643 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 09:52:36,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 09:52:36,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 09:52:36,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 09:52:36,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 09:52:36,644 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 09:52:36,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 09:52:36,644 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 09:52:36,645 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 09:52:36,645 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 09:52:36,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 09:52:36,646 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3aefe7c24f7dbfd113682bd81b91ef3b049ad438c933de49acd0f78d1e093848 [2024-11-12 09:52:36,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 09:52:36,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 09:52:36,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 09:52:36,921 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 09:52:36,921 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 09:52:36,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2024-11-12 09:52:38,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 09:52:38,850 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 09:52:38,851 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 [2024-11-12 09:52:38,894 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90f978256/37de4d0f794443b1929cc1f38a1e95fc/FLAGf74f4a11b [2024-11-12 09:52:38,909 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90f978256/37de4d0f794443b1929cc1f38a1e95fc [2024-11-12 09:52:38,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 09:52:38,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 09:52:38,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 09:52:38,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 09:52:38,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 09:52:38,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:52:38" (1/1) ... [2024-11-12 09:52:38,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e28c41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:52:38, skipping insertion in model container [2024-11-12 09:52:38,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:52:38" (1/1) ... [2024-11-12 09:52:39,007 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 09:52:40,047 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] [2024-11-12 09:52:40,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 09:52:40,115 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 09:52:40,208 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] [2024-11-12 09:52:40,211 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] [2024-11-12 09:52:40,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3102] [2024-11-12 09:52:40,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3105] [2024-11-12 09:52:40,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3108] [2024-11-12 09:52:40,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3111] [2024-11-12 09:52:40,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [3173] [2024-11-12 09:52:40,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3176] [2024-11-12 09:52:40,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3179] [2024-11-12 09:52:40,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [3182] [2024-11-12 09:52:40,394 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] [2024-11-12 09:52:40,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 09:52:40,515 INFO L204 MainTranslator]: Completed translation [2024-11-12 09:52:40,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:52:40 WrapperNode [2024-11-12 09:52:40,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 09:52:40,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 09:52:40,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 09:52:40,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 09:52:40,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:52:40" (1/1) ... [2024-11-12 09:52:40,593 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:52:40" (1/1) ... [2024-11-12 09:52:40,703 INFO L138 Inliner]: procedures = 191, calls = 833, calls flagged for inlining = 89, calls inlined = 75, statements flattened = 2352 [2024-11-12 09:52:40,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 09:52:40,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 09:52:40,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 09:52:40,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 09:52:40,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:52:40" (1/1) ... [2024-11-12 09:52:40,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:52:40" (1/1) ... [2024-11-12 09:52:40,740 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:52:40" (1/1) ... [2024-11-12 09:52:40,950 INFO L175 MemorySlicer]: Split 435 memory accesses to 14 slices as follows [2, 35, 3, 7, 8, 1, 7, 7, 9, 5, 2, 234, 113, 2]. 54 percent of accesses are in the largest equivalence class. The 39 initializations are split as follows [2, 7, 0, 7, 0, 0, 7, 7, 9, 0, 0, 0, 0, 0]. The 171 writes are split as follows [0, 28, 0, 0, 1, 0, 0, 0, 0, 5, 0, 34, 103, 0]. [2024-11-12 09:52:40,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:52:40" (1/1) ... [2024-11-12 09:52:40,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:52:40" (1/1) ... [2024-11-12 09:52:41,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:52:40" (1/1) ... [2024-11-12 09:52:41,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:52:40" (1/1) ... [2024-11-12 09:52:41,091 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:52:40" (1/1) ... [2024-11-12 09:52:41,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:52:40" (1/1) ... [2024-11-12 09:52:41,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 09:52:41,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 09:52:41,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 09:52:41,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 09:52:41,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:52:40" (1/1) ... [2024-11-12 09:52:41,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 09:52:41,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:52:41,168 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) [2024-11-12 09:52:41,172 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 [2024-11-12 09:52:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 09:52:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 09:52:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 09:52:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 09:52:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 09:52:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 09:52:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-12 09:52:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-12 09:52:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-12 09:52:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-12 09:52:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-12 09:52:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-12 09:52:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-12 09:52:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-12 09:52:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_size [2024-11-12 09:52:41,225 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_size [2024-11-12 09:52:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-12 09:52:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-12 09:52:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-12 09:52:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-12 09:52:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-12 09:52:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-12 09:52:41,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-12 09:52:41,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-12 09:52:41,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-12 09:52:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-12 09:52:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-12 09:52:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-12 09:52:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-12 09:52:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-12 09:52:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 09:52:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 09:52:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 09:52:41,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 09:52:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 09:52:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 09:52:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-12 09:52:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-12 09:52:41,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-12 09:52:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-12 09:52:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-12 09:52:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-12 09:52:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-12 09:52:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-12 09:52:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 09:52:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 09:52:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 09:52:41,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 09:52:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 09:52:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 09:52:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-12 09:52:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-12 09:52:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-12 09:52:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-12 09:52:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-12 09:52:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-12 09:52:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-12 09:52:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-12 09:52:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2024-11-12 09:52:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2024-11-12 09:52:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-12 09:52:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-12 09:52:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-12 09:52:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-12 09:52:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-12 09:52:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-12 09:52:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-12 09:52:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-12 09:52:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-12 09:52:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-12 09:52:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-12 09:52:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-12 09:52:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-12 09:52:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-12 09:52:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-12 09:52:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-12 09:52:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-12 09:52:41,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-12 09:52:41,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-12 09:52:41,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-12 09:52:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-12 09:52:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-12 09:52:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-12 09:52:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-12 09:52:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-12 09:52:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-12 09:52:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-12 09:52:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-12 09:52:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2024-11-12 09:52:41,235 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2024-11-12 09:52:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-12 09:52:41,236 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-12 09:52:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_done [2024-11-12 09:52:41,236 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_done [2024-11-12 09:52:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-12 09:52:41,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-12 09:52:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-12 09:52:41,236 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-12 09:52:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-12 09:52:41,236 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-12 09:52:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_flat [2024-11-12 09:52:41,236 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_flat [2024-11-12 09:52:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 09:52:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 09:52:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 09:52:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 09:52:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 09:52:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 09:52:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-12 09:52:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-12 09:52:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-12 09:52:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-12 09:52:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-12 09:52:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-12 09:52:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-12 09:52:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-12 09:52:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-12 09:52:41,237 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-12 09:52:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-12 09:52:41,237 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-12 09:52:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-12 09:52:41,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-12 09:52:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure input_alloc_absinfo [2024-11-12 09:52:41,238 INFO L138 BoogieDeclarations]: Found implementation of procedure input_alloc_absinfo [2024-11-12 09:52:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-12 09:52:41,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-12 09:52:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-12 09:52:41,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-12 09:52:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_find [2024-11-12 09:52:41,240 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_find [2024-11-12 09:52:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_uinput_device [2024-11-12 09:52:41,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_uinput_device [2024-11-12 09:52:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 09:52:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_allocate_device [2024-11-12 09:52:41,241 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_allocate_device [2024-11-12 09:52:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-12 09:52:41,241 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-12 09:52:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 09:52:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl_handler [2024-11-12 09:52:41,242 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl_handler [2024-11-12 09:52:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 09:52:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 09:52:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 09:52:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 09:52:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 09:52:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 09:52:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-12 09:52:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-12 09:52:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-12 09:52:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-12 09:52:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-12 09:52:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-12 09:52:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-12 09:52:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-12 09:52:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 09:52:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-12 09:52:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-12 09:52:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_from_user [2024-11-12 09:52:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_from_user [2024-11-12 09:52:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_destroy_device [2024-11-12 09:52:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_destroy_device [2024-11-12 09:52:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 09:52:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 09:52:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 09:52:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 09:52:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 09:52:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 09:52:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-12 09:52:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-12 09:52:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-12 09:52:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-12 09:52:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-12 09:52:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-12 09:52:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-12 09:52:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-12 09:52:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2024-11-12 09:52:41,249 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2024-11-12 09:52:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-12 09:52:41,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-12 09:52:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-12 09:52:41,249 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-12 09:52:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2024-11-12 09:52:41,250 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2024-11-12 09:52:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-11-12 09:52:41,250 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-11-12 09:52:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2024-11-12 09:52:41,252 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2024-11-12 09:52:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 09:52:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 09:52:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 09:52:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 09:52:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 09:52:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 09:52:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 09:52:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-12 09:52:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-12 09:52:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-12 09:52:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-12 09:52:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-12 09:52:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-12 09:52:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-12 09:52:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-12 09:52:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2024-11-12 09:52:41,253 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2024-11-12 09:52:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-12 09:52:41,253 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-12 09:52:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2024-11-12 09:52:41,253 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2024-11-12 09:52:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-12 09:52:41,253 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-12 09:52:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-12 09:52:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-12 09:52:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-12 09:52:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-12 09:52:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-11-12 09:52:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-11-12 09:52:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-12 09:52:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-12 09:52:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-12 09:52:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-12 09:52:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 09:52:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 09:52:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 09:52:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 09:52:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 09:52:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 09:52:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-12 09:52:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-12 09:52:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-12 09:52:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-12 09:52:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-12 09:52:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-12 09:52:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-12 09:52:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-12 09:52:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-12 09:52:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-12 09:52:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2024-11-12 09:52:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2024-11-12 09:52:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-12 09:52:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-12 09:52:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-12 09:52:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-12 09:52:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-12 09:52:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-12 09:52:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-12 09:52:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-12 09:52:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-12 09:52:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-12 09:52:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-12 09:52:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-12 09:52:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-12 09:52:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-12 09:52:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-12 09:52:41,260 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-12 09:52:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-11-12 09:52:41,260 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-11-12 09:52:41,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 09:52:41,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 09:52:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-12 09:52:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-12 09:52:41,855 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 09:52:41,858 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 09:52:52,947 INFO L? ?]: Removed 1208 outVars from TransFormulas that were not future-live. [2024-11-12 09:52:52,947 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 09:52:52,989 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 09:52:52,989 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 09:52:52,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:52:52 BoogieIcfgContainer [2024-11-12 09:52:52,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 09:52:52,997 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 09:52:52,997 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 09:52:53,002 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 09:52:53,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 09:52:38" (1/3) ... [2024-11-12 09:52:53,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d693c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:52:53, skipping insertion in model container [2024-11-12 09:52:53,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:52:40" (2/3) ... [2024-11-12 09:52:53,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d693c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:52:53, skipping insertion in model container [2024-11-12 09:52:53,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:52:52" (3/3) ... [2024-11-12 09:52:53,004 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2024-11-12 09:52:53,021 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 09:52:53,022 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 09:52:53,123 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 09:52:53,131 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;@30506803, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 09:52:53,132 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 09:52:53,140 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) [2024-11-12 09:52:53,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-12 09:52:53,148 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:52:53,148 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:52:53,149 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:52:53,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:52:53,156 INFO L85 PathProgramCache]: Analyzing trace with hash -2073045771, now seen corresponding path program 1 times [2024-11-12 09:52:53,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:52:53,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772708983] [2024-11-12 09:52:53,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:52:53,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:52:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:52:53,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:52:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:52:53,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 09:52:53,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:52:53,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772708983] [2024-11-12 09:52:53,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772708983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:52:53,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:52:53,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 09:52:53,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65731851] [2024-11-12 09:52:53,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:52:53,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 09:52:53,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:52:53,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 09:52:53,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 09:52:53,850 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) [2024-11-12 09:52:54,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:52:54,417 INFO L93 Difference]: Finished difference Result 1421 states and 2005 transitions. [2024-11-12 09:52:54,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 09:52:54,419 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 [2024-11-12 09:52:54,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:52:54,441 INFO L225 Difference]: With dead ends: 1421 [2024-11-12 09:52:54,442 INFO L226 Difference]: Without dead ends: 709 [2024-11-12 09:52:54,453 INFO L434 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 [2024-11-12 09:52:54,459 INFO L435 NwaCegarLoop]: 989 mSDtfsCounter, 981 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 09:52:54,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [981 Valid, 989 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 09:52:54,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-11-12 09:52:54,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709. [2024-11-12 09:52:54,578 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) [2024-11-12 09:52:54,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 986 transitions. [2024-11-12 09:52:54,590 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 986 transitions. Word has length 14 [2024-11-12 09:52:54,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:52:54,592 INFO L471 AbstractCegarLoop]: Abstraction has 709 states and 986 transitions. [2024-11-12 09:52:54,592 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) [2024-11-12 09:52:54,592 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 986 transitions. [2024-11-12 09:52:54,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-12 09:52:54,593 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:52:54,594 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:52:54,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 09:52:54,594 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:52:54,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:52:54,595 INFO L85 PathProgramCache]: Analyzing trace with hash 159806965, now seen corresponding path program 1 times [2024-11-12 09:52:54,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:52:54,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950205786] [2024-11-12 09:52:54,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:52:54,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:52:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:52:54,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:52:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:52:54,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 09:52:54,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:52:54,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950205786] [2024-11-12 09:52:54,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950205786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:52:54,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:52:54,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 09:52:54,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153235638] [2024-11-12 09:52:54,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:52:54,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 09:52:54,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:52:54,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 09:52:54,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 09:52:54,929 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) [2024-11-12 09:52:55,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:52:55,298 INFO L93 Difference]: Finished difference Result 711 states and 987 transitions. [2024-11-12 09:52:55,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 09:52:55,299 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 [2024-11-12 09:52:55,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:52:55,305 INFO L225 Difference]: With dead ends: 711 [2024-11-12 09:52:55,305 INFO L226 Difference]: Without dead ends: 708 [2024-11-12 09:52:55,306 INFO L434 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 [2024-11-12 09:52:55,307 INFO L435 NwaCegarLoop]: 983 mSDtfsCounter, 974 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 09:52:55,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 983 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 09:52:55,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2024-11-12 09:52:55,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 708. [2024-11-12 09:52:55,349 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) [2024-11-12 09:52:55,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 984 transitions. [2024-11-12 09:52:55,354 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 984 transitions. Word has length 15 [2024-11-12 09:52:55,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:52:55,355 INFO L471 AbstractCegarLoop]: Abstraction has 708 states and 984 transitions. [2024-11-12 09:52:55,355 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) [2024-11-12 09:52:55,355 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 984 transitions. [2024-11-12 09:52:55,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-12 09:52:55,356 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:52:55,356 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:52:55,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 09:52:55,356 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:52:55,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:52:55,357 INFO L85 PathProgramCache]: Analyzing trace with hash 658769912, now seen corresponding path program 1 times [2024-11-12 09:52:55,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:52:55,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233307913] [2024-11-12 09:52:55,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:52:55,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:52:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:52:55,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:52:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:52:55,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 09:52:55,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:52:55,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233307913] [2024-11-12 09:52:55,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233307913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:52:55,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:52:55,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 09:52:55,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006620723] [2024-11-12 09:52:55,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:52:55,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 09:52:55,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:52:55,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 09:52:55,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 09:52:55,564 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) [2024-11-12 09:52:56,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:52:56,333 INFO L93 Difference]: Finished difference Result 2052 states and 2874 transitions. [2024-11-12 09:52:56,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 09:52:56,334 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 [2024-11-12 09:52:56,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:52:56,343 INFO L225 Difference]: With dead ends: 2052 [2024-11-12 09:52:56,343 INFO L226 Difference]: Without dead ends: 1344 [2024-11-12 09:52:56,346 INFO L434 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 [2024-11-12 09:52:56,347 INFO L435 NwaCegarLoop]: 1529 mSDtfsCounter, 971 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 2425 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 09:52:56,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 2425 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 09:52:56,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2024-11-12 09:52:56,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1341. [2024-11-12 09:52:56,427 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) [2024-11-12 09:52:56,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 1875 transitions. [2024-11-12 09:52:56,437 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 1875 transitions. Word has length 16 [2024-11-12 09:52:56,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:52:56,437 INFO L471 AbstractCegarLoop]: Abstraction has 1341 states and 1875 transitions. [2024-11-12 09:52:56,437 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) [2024-11-12 09:52:56,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1875 transitions. [2024-11-12 09:52:56,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-12 09:52:56,443 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:52:56,443 INFO L218 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] [2024-11-12 09:52:56,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 09:52:56,443 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:52:56,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:52:56,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1891452212, now seen corresponding path program 1 times [2024-11-12 09:52:56,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:52:56,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63712683] [2024-11-12 09:52:56,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:52:56,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:52:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:52:56,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:52:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:52:56,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 09:52:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:52:56,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 09:52:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:52:56,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 09:52:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:52:56,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-12 09:52:56,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:52:56,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63712683] [2024-11-12 09:52:56,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63712683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:52:56,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:52:56,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 09:52:56,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596650299] [2024-11-12 09:52:56,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:52:56,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 09:52:56,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:52:56,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 09:52:56,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 09:52:56,750 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) [2024-11-12 09:52:58,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:52:58,769 INFO L93 Difference]: Finished difference Result 2755 states and 3875 transitions. [2024-11-12 09:52:58,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 09:52:58,770 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 [2024-11-12 09:52:58,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:52:58,780 INFO L225 Difference]: With dead ends: 2755 [2024-11-12 09:52:58,780 INFO L226 Difference]: Without dead ends: 1422 [2024-11-12 09:52:58,785 INFO L434 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 [2024-11-12 09:52:58,786 INFO L435 NwaCegarLoop]: 927 mSDtfsCounter, 531 mSDsluCounter, 1262 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 2189 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-12 09:52:58,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 2189 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-12 09:52:58,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2024-11-12 09:52:58,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1411. [2024-11-12 09:52:58,849 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) [2024-11-12 09:52:58,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 1982 transitions. [2024-11-12 09:52:58,862 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 1982 transitions. Word has length 44 [2024-11-12 09:52:58,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:52:58,862 INFO L471 AbstractCegarLoop]: Abstraction has 1411 states and 1982 transitions. [2024-11-12 09:52:58,862 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) [2024-11-12 09:52:58,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1982 transitions. [2024-11-12 09:52:58,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-12 09:52:58,866 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:52:58,866 INFO L218 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] [2024-11-12 09:52:58,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 09:52:58,867 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:52:58,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:52:58,867 INFO L85 PathProgramCache]: Analyzing trace with hash -775648113, now seen corresponding path program 1 times [2024-11-12 09:52:58,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:52:58,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986693434] [2024-11-12 09:52:58,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:52:58,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:52:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:52:59,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:52:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:52:59,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 09:52:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:52:59,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 09:52:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:52:59,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 09:52:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:52:59,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-12 09:52:59,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:52:59,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986693434] [2024-11-12 09:52:59,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986693434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:52:59,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:52:59,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 09:52:59,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597281735] [2024-11-12 09:52:59,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:52:59,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 09:52:59,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:52:59,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 09:52:59,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 09:52:59,210 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) [2024-11-12 09:53:02,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:02,295 INFO L93 Difference]: Finished difference Result 2818 states and 3961 transitions. [2024-11-12 09:53:02,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 09:53:02,296 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 [2024-11-12 09:53:02,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:02,308 INFO L225 Difference]: With dead ends: 2818 [2024-11-12 09:53:02,308 INFO L226 Difference]: Without dead ends: 1415 [2024-11-12 09:53:02,317 INFO L434 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 [2024-11-12 09:53:02,318 INFO L435 NwaCegarLoop]: 986 mSDtfsCounter, 1392 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 2.9s IncrementalHoareTripleChecker+Time [2024-11-12 09:53:02,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1547 Valid, 2069 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [294 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-12 09:53:02,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2024-11-12 09:53:02,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1404. [2024-11-12 09:53:02,382 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) [2024-11-12 09:53:02,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 1957 transitions. [2024-11-12 09:53:02,394 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 1957 transitions. Word has length 55 [2024-11-12 09:53:02,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:02,394 INFO L471 AbstractCegarLoop]: Abstraction has 1404 states and 1957 transitions. [2024-11-12 09:53:02,395 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) [2024-11-12 09:53:02,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1957 transitions. [2024-11-12 09:53:02,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-12 09:53:02,398 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:02,399 INFO L218 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] [2024-11-12 09:53:02,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 09:53:02,399 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:02,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:02,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1620119984, now seen corresponding path program 1 times [2024-11-12 09:53:02,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:02,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654883736] [2024-11-12 09:53:02,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:02,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:02,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:02,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 09:53:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:02,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 09:53:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:02,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 09:53:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:02,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-12 09:53:02,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:02,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654883736] [2024-11-12 09:53:02,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654883736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:53:02,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:53:02,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 09:53:02,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108867863] [2024-11-12 09:53:02,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:53:02,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 09:53:02,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:02,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 09:53:02,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 09:53:02,914 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) [2024-11-12 09:53:05,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:05,651 INFO L93 Difference]: Finished difference Result 1536 states and 2114 transitions. [2024-11-12 09:53:05,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 09:53:05,652 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 [2024-11-12 09:53:05,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:05,661 INFO L225 Difference]: With dead ends: 1536 [2024-11-12 09:53:05,661 INFO L226 Difference]: Without dead ends: 1178 [2024-11-12 09:53:05,663 INFO L434 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 [2024-11-12 09:53:05,666 INFO L435 NwaCegarLoop]: 695 mSDtfsCounter, 281 mSDsluCounter, 2808 mSDsCounter, 0 mSdLazyCounter, 2056 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.6s IncrementalHoareTripleChecker+Time [2024-11-12 09:53:05,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 3503 Invalid, 2174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 2056 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-12 09:53:05,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2024-11-12 09:53:05,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1171. [2024-11-12 09:53:05,715 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) [2024-11-12 09:53:05,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1601 transitions. [2024-11-12 09:53:05,723 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1601 transitions. Word has length 55 [2024-11-12 09:53:05,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:05,724 INFO L471 AbstractCegarLoop]: Abstraction has 1171 states and 1601 transitions. [2024-11-12 09:53:05,724 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) [2024-11-12 09:53:05,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1601 transitions. [2024-11-12 09:53:05,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-12 09:53:05,727 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:05,727 INFO L218 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] [2024-11-12 09:53:05,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 09:53:05,728 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:05,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:05,729 INFO L85 PathProgramCache]: Analyzing trace with hash -204456961, now seen corresponding path program 1 times [2024-11-12 09:53:05,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:05,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312614491] [2024-11-12 09:53:05,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:05,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:06,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:06,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 09:53:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:06,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-12 09:53:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:06,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:53:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:06,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 09:53:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:06,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-12 09:53:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-12 09:53:06,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:06,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312614491] [2024-11-12 09:53:06,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312614491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:53:06,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:53:06,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 09:53:06,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245996417] [2024-11-12 09:53:06,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:53:06,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 09:53:06,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:06,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 09:53:06,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-12 09:53:06,265 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) [2024-11-12 09:53:08,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:08,875 INFO L93 Difference]: Finished difference Result 1438 states and 1968 transitions. [2024-11-12 09:53:08,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 09:53:08,876 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 [2024-11-12 09:53:08,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:08,883 INFO L225 Difference]: With dead ends: 1438 [2024-11-12 09:53:08,883 INFO L226 Difference]: Without dead ends: 1190 [2024-11-12 09:53:08,884 INFO L434 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 [2024-11-12 09:53:08,884 INFO L435 NwaCegarLoop]: 680 mSDtfsCounter, 609 mSDsluCounter, 2612 mSDsCounter, 0 mSdLazyCounter, 2174 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.5s IncrementalHoareTripleChecker+Time [2024-11-12 09:53:08,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 3292 Invalid, 2447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 2174 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-12 09:53:08,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2024-11-12 09:53:08,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1161. [2024-11-12 09:53:08,937 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) [2024-11-12 09:53:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1587 transitions. [2024-11-12 09:53:08,946 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1587 transitions. Word has length 58 [2024-11-12 09:53:08,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:08,947 INFO L471 AbstractCegarLoop]: Abstraction has 1161 states and 1587 transitions. [2024-11-12 09:53:08,947 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) [2024-11-12 09:53:08,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1587 transitions. [2024-11-12 09:53:08,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-12 09:53:08,951 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:08,952 INFO L218 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] [2024-11-12 09:53:08,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 09:53:08,952 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:08,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:08,953 INFO L85 PathProgramCache]: Analyzing trace with hash -254305111, now seen corresponding path program 1 times [2024-11-12 09:53:08,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:08,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016662246] [2024-11-12 09:53:08,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:08,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:09,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:09,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 09:53:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:09,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 09:53:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:09,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:09,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-12 09:53:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:09,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-12 09:53:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:09,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 09:53:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:09,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-12 09:53:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:09,236 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-12 09:53:09,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:09,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016662246] [2024-11-12 09:53:09,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016662246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:53:09,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:53:09,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 09:53:09,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477436299] [2024-11-12 09:53:09,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:53:09,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 09:53:09,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:09,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 09:53:09,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 09:53:09,239 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) [2024-11-12 09:53:11,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:11,611 INFO L93 Difference]: Finished difference Result 2354 states and 3223 transitions. [2024-11-12 09:53:11,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 09:53:11,611 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 [2024-11-12 09:53:11,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:11,623 INFO L225 Difference]: With dead ends: 2354 [2024-11-12 09:53:11,623 INFO L226 Difference]: Without dead ends: 1198 [2024-11-12 09:53:11,627 INFO L434 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 [2024-11-12 09:53:11,629 INFO L435 NwaCegarLoop]: 674 mSDtfsCounter, 486 mSDsluCounter, 2027 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 320 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 2701 SdHoareTripleChecker+Invalid, 1778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 320 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-12 09:53:11,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 2701 Invalid, 1778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [320 Valid, 1458 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-12 09:53:11,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2024-11-12 09:53:11,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1164. [2024-11-12 09:53:11,687 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) [2024-11-12 09:53:11,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1590 transitions. [2024-11-12 09:53:11,693 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1590 transitions. Word has length 75 [2024-11-12 09:53:11,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:11,695 INFO L471 AbstractCegarLoop]: Abstraction has 1164 states and 1590 transitions. [2024-11-12 09:53:11,696 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) [2024-11-12 09:53:11,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1590 transitions. [2024-11-12 09:53:11,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-12 09:53:11,699 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:11,699 INFO L218 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] [2024-11-12 09:53:11,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 09:53:11,699 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:11,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:11,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1639220495, now seen corresponding path program 1 times [2024-11-12 09:53:11,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:11,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042575014] [2024-11-12 09:53:11,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:11,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:12,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:12,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 09:53:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:12,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 09:53:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:12,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:12,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 09:53:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:12,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 09:53:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:12,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 09:53:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:12,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 09:53:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:12,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 09:53:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:12,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 09:53:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:12,250 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-12 09:53:12,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:12,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042575014] [2024-11-12 09:53:12,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042575014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:53:12,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:53:12,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 09:53:12,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222133827] [2024-11-12 09:53:12,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:53:12,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 09:53:12,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:12,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 09:53:12,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-12 09:53:12,252 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) [2024-11-12 09:53:15,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:15,583 INFO L93 Difference]: Finished difference Result 2333 states and 3191 transitions. [2024-11-12 09:53:15,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 09:53:15,584 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 [2024-11-12 09:53:15,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:15,592 INFO L225 Difference]: With dead ends: 2333 [2024-11-12 09:53:15,592 INFO L226 Difference]: Without dead ends: 1177 [2024-11-12 09:53:15,596 INFO L434 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 [2024-11-12 09:53:15,597 INFO L435 NwaCegarLoop]: 674 mSDtfsCounter, 489 mSDsluCounter, 3153 mSDsCounter, 0 mSdLazyCounter, 2324 mSolverCounterSat, 325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 3827 SdHoareTripleChecker+Invalid, 2649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 325 IncrementalHoareTripleChecker+Valid, 2324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-12 09:53:15,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 3827 Invalid, 2649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [325 Valid, 2324 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-12 09:53:15,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2024-11-12 09:53:15,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1142. [2024-11-12 09:53:15,649 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) [2024-11-12 09:53:15,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 1558 transitions. [2024-11-12 09:53:15,655 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 1558 transitions. Word has length 89 [2024-11-12 09:53:15,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:15,655 INFO L471 AbstractCegarLoop]: Abstraction has 1142 states and 1558 transitions. [2024-11-12 09:53:15,655 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) [2024-11-12 09:53:15,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1558 transitions. [2024-11-12 09:53:15,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-12 09:53:15,658 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:15,659 INFO L218 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] [2024-11-12 09:53:15,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 09:53:15,659 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:15,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:15,660 INFO L85 PathProgramCache]: Analyzing trace with hash -846047142, now seen corresponding path program 1 times [2024-11-12 09:53:15,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:15,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023989932] [2024-11-12 09:53:15,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:15,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:15,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:15,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 09:53:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:15,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 09:53:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:15,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:15,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 09:53:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:15,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 09:53:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:15,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 09:53:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:15,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 09:53:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:15,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 09:53:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:16,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 09:53:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:16,027 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-12 09:53:16,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:16,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023989932] [2024-11-12 09:53:16,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023989932] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 09:53:16,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358036079] [2024-11-12 09:53:16,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:16,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 09:53:16,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:53:16,030 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) [2024-11-12 09:53:16,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 09:53:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:16,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 984 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 09:53:16,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 09:53:16,800 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 09:53:16,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 09:53:16,977 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-12 09:53:16,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358036079] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 09:53:16,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 09:53:16,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 7 [2024-11-12 09:53:16,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722233040] [2024-11-12 09:53:16,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 09:53:16,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 09:53:16,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:16,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 09:53:16,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-12 09:53:16,980 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) [2024-11-12 09:53:19,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:19,403 INFO L93 Difference]: Finished difference Result 2467 states and 3399 transitions. [2024-11-12 09:53:19,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 09:53:19,403 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 [2024-11-12 09:53:19,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:19,416 INFO L225 Difference]: With dead ends: 2467 [2024-11-12 09:53:19,417 INFO L226 Difference]: Without dead ends: 1333 [2024-11-12 09:53:19,422 INFO L434 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 [2024-11-12 09:53:19,423 INFO L435 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 [2024-11-12 09:53:19,425 INFO L436 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] [2024-11-12 09:53:19,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1333 states. [2024-11-12 09:53:19,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1333 to 1260. [2024-11-12 09:53:19,485 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) [2024-11-12 09:53:19,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 1740 transitions. [2024-11-12 09:53:19,493 INFO L78 Accepts]: Start accepts. Automaton has 1260 states and 1740 transitions. Word has length 91 [2024-11-12 09:53:19,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:19,495 INFO L471 AbstractCegarLoop]: Abstraction has 1260 states and 1740 transitions. [2024-11-12 09:53:19,495 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) [2024-11-12 09:53:19,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1740 transitions. [2024-11-12 09:53:19,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-12 09:53:19,498 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:19,498 INFO L218 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] [2024-11-12 09:53:19,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 09:53:19,699 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 [2024-11-12 09:53:19,700 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:19,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:19,700 INFO L85 PathProgramCache]: Analyzing trace with hash 2136353820, now seen corresponding path program 1 times [2024-11-12 09:53:19,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:19,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131345448] [2024-11-12 09:53:19,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:19,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:20,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:20,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 09:53:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:20,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 09:53:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:20,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:20,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 09:53:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:20,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 09:53:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:20,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 09:53:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:20,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 09:53:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:20,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 09:53:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:20,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 09:53:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:20,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 09:53:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:20,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 09:53:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:20,249 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-12 09:53:20,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:20,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131345448] [2024-11-12 09:53:20,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131345448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:53:20,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:53:20,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 09:53:20,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883480381] [2024-11-12 09:53:20,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:53:20,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 09:53:20,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:20,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 09:53:20,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-12 09:53:20,251 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) [2024-11-12 09:53:24,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:24,421 INFO L93 Difference]: Finished difference Result 1315 states and 1817 transitions. [2024-11-12 09:53:24,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 09:53:24,421 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 [2024-11-12 09:53:24,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:24,430 INFO L225 Difference]: With dead ends: 1315 [2024-11-12 09:53:24,430 INFO L226 Difference]: Without dead ends: 1302 [2024-11-12 09:53:24,431 INFO L434 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 [2024-11-12 09:53:24,431 INFO L435 NwaCegarLoop]: 673 mSDtfsCounter, 509 mSDsluCounter, 4243 mSDsCounter, 0 mSdLazyCounter, 3218 mSolverCounterSat, 319 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 4916 SdHoareTripleChecker+Invalid, 3537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 319 IncrementalHoareTripleChecker+Valid, 3218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-12 09:53:24,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 4916 Invalid, 3537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [319 Valid, 3218 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-12 09:53:24,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2024-11-12 09:53:24,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 1263. [2024-11-12 09:53:24,494 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) [2024-11-12 09:53:24,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 1744 transitions. [2024-11-12 09:53:24,500 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 1744 transitions. Word has length 100 [2024-11-12 09:53:24,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:24,501 INFO L471 AbstractCegarLoop]: Abstraction has 1263 states and 1744 transitions. [2024-11-12 09:53:24,501 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) [2024-11-12 09:53:24,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1744 transitions. [2024-11-12 09:53:24,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-12 09:53:24,505 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:24,505 INFO L218 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] [2024-11-12 09:53:24,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 09:53:24,505 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:24,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:24,506 INFO L85 PathProgramCache]: Analyzing trace with hash 2007044835, now seen corresponding path program 1 times [2024-11-12 09:53:24,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:24,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992598295] [2024-11-12 09:53:24,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:24,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:24,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:25,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 09:53:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:25,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 09:53:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:25,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:25,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 09:53:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:25,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 09:53:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:25,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 09:53:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:25,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 09:53:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:25,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 09:53:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:25,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 09:53:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:25,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 09:53:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:25,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 09:53:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-12 09:53:25,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:25,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992598295] [2024-11-12 09:53:25,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992598295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:53:25,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:53:25,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 09:53:25,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923009887] [2024-11-12 09:53:25,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:53:25,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 09:53:25,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:25,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 09:53:25,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-12 09:53:25,115 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) [2024-11-12 09:53:26,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 09:53:29,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:29,630 INFO L93 Difference]: Finished difference Result 2550 states and 3530 transitions. [2024-11-12 09:53:29,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 09:53:29,630 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 [2024-11-12 09:53:29,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:29,637 INFO L225 Difference]: With dead ends: 2550 [2024-11-12 09:53:29,637 INFO L226 Difference]: Without dead ends: 1295 [2024-11-12 09:53:29,641 INFO L434 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 [2024-11-12 09:53:29,642 INFO L435 NwaCegarLoop]: 673 mSDtfsCounter, 508 mSDsluCounter, 3124 mSDsCounter, 0 mSdLazyCounter, 2317 mSolverCounterSat, 319 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 3797 SdHoareTripleChecker+Invalid, 2636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 319 IncrementalHoareTripleChecker+Valid, 2317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-12 09:53:29,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 3797 Invalid, 2636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [319 Valid, 2317 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-12 09:53:29,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2024-11-12 09:53:29,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1261. [2024-11-12 09:53:29,694 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) [2024-11-12 09:53:29,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1740 transitions. [2024-11-12 09:53:29,700 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1740 transitions. Word has length 102 [2024-11-12 09:53:29,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:29,700 INFO L471 AbstractCegarLoop]: Abstraction has 1261 states and 1740 transitions. [2024-11-12 09:53:29,701 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) [2024-11-12 09:53:29,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1740 transitions. [2024-11-12 09:53:29,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-12 09:53:29,705 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:29,705 INFO L218 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] [2024-11-12 09:53:29,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 09:53:29,706 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:29,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:29,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1755839994, now seen corresponding path program 1 times [2024-11-12 09:53:29,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:29,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898308390] [2024-11-12 09:53:29,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:29,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:30,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:30,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 09:53:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:30,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 09:53:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:30,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:30,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 09:53:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:30,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 09:53:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:30,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 09:53:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:30,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 09:53:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:30,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 09:53:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:30,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 09:53:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:30,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 09:53:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:30,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 09:53:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:30,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 09:53:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:30,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 09:53:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:30,308 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-12 09:53:30,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:30,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898308390] [2024-11-12 09:53:30,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898308390] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 09:53:30,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63360823] [2024-11-12 09:53:30,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:30,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 09:53:30,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:53:30,311 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) [2024-11-12 09:53:30,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 09:53:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 1137 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 09:53:31,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 09:53:31,089 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-12 09:53:31,091 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 09:53:31,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63360823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:53:31,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 09:53:31,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 10 [2024-11-12 09:53:31,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793634019] [2024-11-12 09:53:31,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:53:31,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 09:53:31,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:31,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 09:53:31,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-12 09:53:31,094 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) [2024-11-12 09:53:31,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:31,248 INFO L93 Difference]: Finished difference Result 2518 states and 3476 transitions. [2024-11-12 09:53:31,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 09:53:31,249 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 [2024-11-12 09:53:31,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:31,264 INFO L225 Difference]: With dead ends: 2518 [2024-11-12 09:53:31,264 INFO L226 Difference]: Without dead ends: 1253 [2024-11-12 09:53:31,270 INFO L434 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 [2024-11-12 09:53:31,272 INFO L435 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 [2024-11-12 09:53:31,272 INFO L436 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] [2024-11-12 09:53:31,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2024-11-12 09:53:31,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1253. [2024-11-12 09:53:31,376 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) [2024-11-12 09:53:31,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1725 transitions. [2024-11-12 09:53:31,382 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1725 transitions. Word has length 124 [2024-11-12 09:53:31,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:31,383 INFO L471 AbstractCegarLoop]: Abstraction has 1253 states and 1725 transitions. [2024-11-12 09:53:31,383 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) [2024-11-12 09:53:31,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1725 transitions. [2024-11-12 09:53:31,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 09:53:31,389 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:31,389 INFO L218 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] [2024-11-12 09:53:31,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 09:53:31,589 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 [2024-11-12 09:53:31,590 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:31,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:31,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1050214026, now seen corresponding path program 1 times [2024-11-12 09:53:31,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:31,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782680762] [2024-11-12 09:53:31,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:31,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 09:53:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 09:53:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 09:53:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 09:53:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 09:53:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 09:53:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 09:53:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 09:53:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 09:53:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:53:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 09:53:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 09:53:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-12 09:53:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-12 09:53:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-12 09:53:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 09:53:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:31,955 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-12 09:53:31,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:31,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782680762] [2024-11-12 09:53:31,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782680762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:53:31,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:53:31,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 09:53:31,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821951050] [2024-11-12 09:53:31,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:53:31,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 09:53:31,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:31,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 09:53:31,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:53:31,959 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) [2024-11-12 09:53:34,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:34,263 INFO L93 Difference]: Finished difference Result 2532 states and 3516 transitions. [2024-11-12 09:53:34,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 09:53:34,264 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 [2024-11-12 09:53:34,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:34,275 INFO L225 Difference]: With dead ends: 2532 [2024-11-12 09:53:34,275 INFO L226 Difference]: Without dead ends: 1287 [2024-11-12 09:53:34,281 INFO L434 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 [2024-11-12 09:53:34,282 INFO L435 NwaCegarLoop]: 673 mSDtfsCounter, 480 mSDsluCounter, 1461 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 321 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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 [2024-11-12 09:53:34,282 INFO L436 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] [2024-11-12 09:53:34,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2024-11-12 09:53:34,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1253. [2024-11-12 09:53:34,342 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) [2024-11-12 09:53:34,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1719 transitions. [2024-11-12 09:53:34,348 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1719 transitions. Word has length 164 [2024-11-12 09:53:34,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:34,349 INFO L471 AbstractCegarLoop]: Abstraction has 1253 states and 1719 transitions. [2024-11-12 09:53:34,349 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) [2024-11-12 09:53:34,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1719 transitions. [2024-11-12 09:53:34,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-12 09:53:34,355 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:34,356 INFO L218 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] [2024-11-12 09:53:34,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 09:53:34,356 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:34,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:34,357 INFO L85 PathProgramCache]: Analyzing trace with hash -223110231, now seen corresponding path program 1 times [2024-11-12 09:53:34,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:34,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102546284] [2024-11-12 09:53:34,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:34,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:34,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:34,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 09:53:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:34,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 09:53:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:34,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:34,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 09:53:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:34,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 09:53:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:34,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 09:53:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:34,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 09:53:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:34,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 09:53:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:34,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 09:53:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:34,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 09:53:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:34,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:53:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:34,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-12 09:53:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:34,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-12 09:53:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:34,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 09:53:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:34,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 09:53:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:34,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 09:53:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:34,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 09:53:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:34,852 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-12 09:53:34,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:34,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102546284] [2024-11-12 09:53:34,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102546284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:53:34,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:53:34,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 09:53:34,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271605696] [2024-11-12 09:53:34,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:53:34,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 09:53:34,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:34,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 09:53:34,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-12 09:53:34,854 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) [2024-11-12 09:53:37,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:37,833 INFO L93 Difference]: Finished difference Result 1362 states and 1860 transitions. [2024-11-12 09:53:37,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 09:53:37,834 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 [2024-11-12 09:53:37,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:37,841 INFO L225 Difference]: With dead ends: 1362 [2024-11-12 09:53:37,841 INFO L226 Difference]: Without dead ends: 1131 [2024-11-12 09:53:37,842 INFO L434 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 [2024-11-12 09:53:37,843 INFO L435 NwaCegarLoop]: 673 mSDtfsCounter, 478 mSDsluCounter, 3151 mSDsCounter, 0 mSdLazyCounter, 2284 mSolverCounterSat, 313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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, 2.9s IncrementalHoareTripleChecker+Time [2024-11-12 09:53:37,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 3824 Invalid, 2597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [313 Valid, 2284 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-12 09:53:37,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2024-11-12 09:53:37,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1104. [2024-11-12 09:53:37,920 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) [2024-11-12 09:53:37,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1519 transitions. [2024-11-12 09:53:37,926 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1519 transitions. Word has length 167 [2024-11-12 09:53:37,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:37,927 INFO L471 AbstractCegarLoop]: Abstraction has 1104 states and 1519 transitions. [2024-11-12 09:53:37,927 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) [2024-11-12 09:53:37,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1519 transitions. [2024-11-12 09:53:37,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 09:53:37,932 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:53:37,933 INFO L218 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] [2024-11-12 09:53:37,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 09:53:37,933 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:53:37,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:53:37,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1316596252, now seen corresponding path program 1 times [2024-11-12 09:53:37,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:53:37,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970307735] [2024-11-12 09:53:37,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:53:37,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:53:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 09:53:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-12 09:53:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 09:53:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 09:53:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 09:53:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 09:53:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 09:53:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 09:53:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 09:53:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 09:53:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:53:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-12 09:53:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-12 09:53:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 09:53:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 09:53:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 09:53:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 09:53:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 09:53:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 09:53:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:53:38,403 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-12 09:53:38,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:53:38,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970307735] [2024-11-12 09:53:38,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970307735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:53:38,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:53:38,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 09:53:38,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786031450] [2024-11-12 09:53:38,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:53:38,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 09:53:38,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:53:38,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 09:53:38,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-12 09:53:38,406 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) [2024-11-12 09:53:40,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 09:53:42,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 09:53:42,181 INFO L93 Difference]: Finished difference Result 1241 states and 1694 transitions. [2024-11-12 09:53:42,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 09:53:42,182 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 [2024-11-12 09:53:42,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 09:53:42,185 INFO L225 Difference]: With dead ends: 1241 [2024-11-12 09:53:42,185 INFO L226 Difference]: Without dead ends: 0 [2024-11-12 09:53:42,219 INFO L434 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 [2024-11-12 09:53:42,220 INFO L435 NwaCegarLoop]: 653 mSDtfsCounter, 475 mSDsluCounter, 3056 mSDsCounter, 0 mSdLazyCounter, 2250 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 3.7s IncrementalHoareTripleChecker+Time [2024-11-12 09:53:42,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 3709 Invalid, 2557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 2250 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-12 09:53:42,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-12 09:53:42,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-12 09:53:42,222 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) [2024-11-12 09:53:42,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-12 09:53:42,224 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2024-11-12 09:53:42,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 09:53:42,225 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-12 09:53:42,226 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) [2024-11-12 09:53:42,226 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-12 09:53:42,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-12 09:53:42,229 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-12 09:53:42,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 09:53:42,232 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:53:42,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.