./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4de76b02991c4f8780142b48e1370b1ba073d7148b74e77b2c83d6f21359d59e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 13:58:13,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 13:58:13,794 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 13:58:13,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 13:58:13,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 13:58:13,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 13:58:13,824 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 13:58:13,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 13:58:13,824 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 13:58:13,824 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 13:58:13,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 13:58:13,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 13:58:13,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 13:58:13,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 13:58:13,826 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 13:58:13,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 13:58:13,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 13:58:13,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 13:58:13,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 13:58:13,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 13:58:13,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 13:58:13,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 13:58:13,830 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 13:58:13,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 13:58:13,830 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 13:58:13,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 13:58:13,830 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 13:58:13,831 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 13:58:13,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 13:58:13,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:58:13,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 13:58:13,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 13:58:13,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 13:58:13,832 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 13:58:13,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 13:58:13,832 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 13:58:13,832 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 13:58:13,832 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 13:58:13,833 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 13:58:13,833 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4de76b02991c4f8780142b48e1370b1ba073d7148b74e77b2c83d6f21359d59e [2024-10-24 13:58:14,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 13:58:14,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 13:58:14,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 13:58:14,042 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 13:58:14,042 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 13:58:14,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2024-10-24 13:58:15,234 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 13:58:15,584 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 13:58:15,584 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2024-10-24 13:58:15,619 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/578381b35/3f5a6eb145f144f391fbc6a8b031bc7c/FLAG475ee1dd4 [2024-10-24 13:58:15,631 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/578381b35/3f5a6eb145f144f391fbc6a8b031bc7c [2024-10-24 13:58:15,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 13:58:15,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 13:58:15,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 13:58:15,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 13:58:15,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 13:58:15,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:58:15" (1/1) ... [2024-10-24 13:58:15,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581ddbf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:58:15, skipping insertion in model container [2024-10-24 13:58:15,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:58:15" (1/1) ... [2024-10-24 13:58:15,718 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:58:16,809 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i[185536,185549] [2024-10-24 13:58:16,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:58:16,938 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:58:16,991 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"); [3542] [2024-10-24 13:58:16,994 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3549] [2024-10-24 13:58:16,994 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3557-3558] [2024-10-24 13:58:17,076 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i[185536,185549] [2024-10-24 13:58:17,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:58:17,204 INFO L204 MainTranslator]: Completed translation [2024-10-24 13:58:17,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:58:17 WrapperNode [2024-10-24 13:58:17,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:58:17,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 13:58:17,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 13:58:17,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 13:58:17,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:58:17" (1/1) ... [2024-10-24 13:58:17,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:58:17" (1/1) ... [2024-10-24 13:58:17,346 INFO L138 Inliner]: procedures = 282, calls = 1543, calls flagged for inlining = 103, calls inlined = 86, statements flattened = 2911 [2024-10-24 13:58:17,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 13:58:17,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 13:58:17,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 13:58:17,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 13:58:17,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:58:17" (1/1) ... [2024-10-24 13:58:17,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:58:17" (1/1) ... [2024-10-24 13:58:17,377 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:58:17" (1/1) ... [2024-10-24 13:58:17,692 INFO L175 MemorySlicer]: Split 572 memory accesses to 22 slices as follows [2, 8, 28, 4, 8, 8, 12, 8, 8, 8, 8, 7, 49, 8, 2, 56, 8, 21, 10, 43, 4, 262]. 46 percent of accesses are in the largest equivalence class. The 267 initializations are split as follows [2, 8, 28, 4, 8, 8, 0, 8, 8, 8, 8, 0, 0, 8, 0, 56, 8, 21, 10, 43, 0, 31]. The 131 writes are split as follows [0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 6, 42, 0, 1, 0, 0, 0, 0, 0, 1, 79]. [2024-10-24 13:58:17,692 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:58:17" (1/1) ... [2024-10-24 13:58:17,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:58:17" (1/1) ... [2024-10-24 13:58:17,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:58:17" (1/1) ... [2024-10-24 13:58:17,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:58:17" (1/1) ... [2024-10-24 13:58:17,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:58:17" (1/1) ... [2024-10-24 13:58:17,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:58:17" (1/1) ... [2024-10-24 13:58:17,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 13:58:17,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 13:58:17,814 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 13:58:17,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 13:58:17,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:58:17" (1/1) ... [2024-10-24 13:58:17,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:58:17,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:58:17,844 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) [2024-10-24 13:58:17,846 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 [2024-10-24 13:58:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-10-24 13:58:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-10-24 13:58:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2024-10-24 13:58:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2024-10-24 13:58:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 13:58:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 13:58:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-24 13:58:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-24 13:58:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wdm_mutex [2024-10-24 13:58:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wdm_mutex [2024-10-24 13:58:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure recover_from_urb_loss [2024-10-24 13:58:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_from_urb_loss [2024-10-24 13:58:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2024-10-24 13:58:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2024-10-24 13:58:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 13:58:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 13:58:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-10-24 13:58:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-10-24 13:58:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2024-10-24 13:58:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2024-10-24 13:58:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2024-10-24 13:58:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2024-10-24 13:58:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_create [2024-10-24 13:58:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_create [2024-10-24 13:58:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-10-24 13:58:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-10-24 13:58:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-24 13:58:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-24 13:58:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_poll [2024-10-24 13:58:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_poll [2024-10-24 13:58:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-10-24 13:58:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-10-24 13:58:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 13:58:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 13:58:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-10-24 13:58:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-10-24 13:58:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-24 13:58:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-24 13:58:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure clear_wdm_read_flag [2024-10-24 13:58:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_wdm_read_flag [2024-10-24 13:58:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_39 [2024-10-24 13:58:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_39 [2024-10-24 13:58:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_write [2024-10-24 13:58:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_write [2024-10-24 13:58:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 13:58:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-10-24 13:58:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-10-24 13:58:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_ioctl [2024-10-24 13:58:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_ioctl [2024-10-24 13:58:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_disconnect [2024-10-24 13:58:17,890 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_disconnect [2024-10-24 13:58:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 13:58:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 13:58:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 13:58:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 13:58:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 13:58:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 13:58:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 13:58:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 13:58:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 13:58:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 13:58:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 13:58:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 13:58:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-24 13:58:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-24 13:58:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-24 13:58:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-24 13:58:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-24 13:58:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-24 13:58:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-24 13:58:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-24 13:58:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-24 13:58:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-10-24 13:58:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rlock_of_wdm_device [2024-10-24 13:58:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rlock_of_wdm_device [2024-10-24 13:58:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-24 13:58:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-24 13:58:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-10-24 13:58:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-10-24 13:58:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_rxwork [2024-10-24 13:58:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_rxwork [2024-10-24 13:58:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 13:58:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2024-10-24 13:58:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2024-10-24 13:58:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 13:58:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 13:58:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 13:58:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 13:58:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 13:58:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 13:58:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 13:58:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 13:58:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 13:58:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 13:58:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 13:58:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 13:58:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-24 13:58:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-24 13:58:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-24 13:58:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-24 13:58:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-24 13:58:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-24 13:58:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-24 13:58:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-24 13:58:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-10-24 13:58:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-10-24 13:58:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-24 13:58:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-24 13:58:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2024-10-24 13:58:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2024-10-24 13:58:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-10-24 13:58:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-10-24 13:58:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-10-24 13:58:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-10-24 13:58:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-10-24 13:58:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-10-24 13:58:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-10-24 13:58:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-10-24 13:58:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-10-24 13:58:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-10-24 13:58:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-10-24 13:58:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-10-24 13:58:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wdm_mutex [2024-10-24 13:58:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wdm_mutex [2024-10-24 13:58:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wlock_of_wdm_device [2024-10-24 13:58:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wlock_of_wdm_device [2024-10-24 13:58:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-24 13:58:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-24 13:58:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2024-10-24 13:58:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2024-10-24 13:58:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-10-24 13:58:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-10-24 13:58:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_flush [2024-10-24 13:58:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_flush [2024-10-24 13:58:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wlock_of_wdm_device [2024-10-24 13:58:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wlock_of_wdm_device [2024-10-24 13:58:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2024-10-24 13:58:17,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2024-10-24 13:58:17,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-24 13:58:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-24 13:58:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-24 13:58:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-24 13:58:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-24 13:58:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-24 13:58:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-24 13:58:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-24 13:58:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-24 13:58:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-24 13:58:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-24 13:58:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-24 13:58:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-24 13:58:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-24 13:58:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-24 13:58:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-24 13:58:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-24 13:58:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-24 13:58:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-10-24 13:58:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-10-24 13:58:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-10-24 13:58:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-10-24 13:58:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2024-10-24 13:58:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2024-10-24 13:58:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 13:58:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 13:58:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 13:58:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 13:58:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 13:58:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 13:58:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 13:58:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 13:58:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 13:58:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 13:58:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 13:58:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 13:58:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 13:58:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-24 13:58:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-24 13:58:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-24 13:58:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-24 13:58:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-24 13:58:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-24 13:58:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-24 13:58:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-10-24 13:58:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-10-24 13:58:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-10-24 13:58:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-10-24 13:58:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-10-24 13:58:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-10-24 13:58:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-10-24 13:58:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-10-24 13:58:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure kill_urbs [2024-10-24 13:58:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_urbs [2024-10-24 13:58:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2024-10-24 13:58:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2024-10-24 13:58:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-24 13:58:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-24 13:58:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 13:58:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 13:58:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 13:58:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 13:58:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 13:58:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 13:58:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 13:58:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 13:58:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 13:58:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 13:58:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 13:58:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 13:58:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 13:58:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-24 13:58:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-24 13:58:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-24 13:58:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-24 13:58:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-24 13:58:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-24 13:58:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-24 13:58:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-10-24 13:58:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-10-24 13:58:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-10-24 13:58:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-10-24 13:58:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-10-24 13:58:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-10-24 13:58:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-10-24 13:58:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-10-24 13:58:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-24 13:58:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-24 13:58:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-24 13:58:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-24 13:58:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_resume [2024-10-24 13:58:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_resume [2024-10-24 13:58:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 13:58:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-10-24 13:58:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-10-24 13:58:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-10-24 13:58:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-10-24 13:58:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 13:58:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-24 13:58:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-24 13:58:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 13:58:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 13:58:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 13:58:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 13:58:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 13:58:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 13:58:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 13:58:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 13:58:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 13:58:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 13:58:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 13:58:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 13:58:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-24 13:58:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-24 13:58:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-24 13:58:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-24 13:58:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-24 13:58:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-24 13:58:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-24 13:58:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-24 13:58:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-24 13:58:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-10-24 13:58:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-10-24 13:58:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-10-24 13:58:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-10-24 13:58:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-10-24 13:58:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-10-24 13:58:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-10-24 13:58:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-10-24 13:58:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-10-24 13:58:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rlock_of_wdm_device [2024-10-24 13:58:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rlock_of_wdm_device [2024-10-24 13:58:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-10-24 13:58:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-10-24 13:58:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device [2024-10-24 13:58:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device [2024-10-24 13:58:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-10-24 13:58:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-10-24 13:58:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-10-24 13:58:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-10-24 13:58:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 13:58:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 13:58:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 13:58:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 13:58:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 13:58:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 13:58:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 13:58:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 13:58:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 13:58:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 13:58:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 13:58:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 13:58:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 13:58:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-24 13:58:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-24 13:58:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-24 13:58:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-24 13:58:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-24 13:58:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-24 13:58:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-24 13:58:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-10-24 13:58:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-10-24 13:58:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-10-24 13:58:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-10-24 13:58:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-10-24 13:58:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-10-24 13:58:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 13:58:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 13:58:18,381 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 13:58:18,384 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 13:58:18,431 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 13:58:20,238 INFO L? ?]: Removed 1120 outVars from TransFormulas that were not future-live. [2024-10-24 13:58:20,239 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 13:58:20,411 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 13:58:20,411 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 13:58:20,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:58:20 BoogieIcfgContainer [2024-10-24 13:58:20,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 13:58:20,413 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 13:58:20,413 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 13:58:20,416 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 13:58:20,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:58:15" (1/3) ... [2024-10-24 13:58:20,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edd0797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:58:20, skipping insertion in model container [2024-10-24 13:58:20,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:58:17" (2/3) ... [2024-10-24 13:58:20,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edd0797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:58:20, skipping insertion in model container [2024-10-24 13:58:20,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:58:20" (3/3) ... [2024-10-24 13:58:20,419 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2024-10-24 13:58:20,431 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 13:58:20,431 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 13:58:20,496 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 13:58:20,501 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;@46c7de82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 13:58:20,502 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 13:58:20,512 INFO L276 IsEmpty]: Start isEmpty. Operand has 1015 states, 625 states have (on average 1.368) internal successors, (855), 660 states have internal predecessors, (855), 316 states have call successors, (316), 73 states have call predecessors, (316), 72 states have return successors, (311), 310 states have call predecessors, (311), 311 states have call successors, (311) [2024-10-24 13:58:20,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-24 13:58:20,528 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:58:20,529 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:58:20,529 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:58:20,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:58:20,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1973854795, now seen corresponding path program 1 times [2024-10-24 13:58:20,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:58:20,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066713920] [2024-10-24 13:58:20,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:58:20,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:58:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:58:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:58:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:58:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:58:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 13:58:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 13:58:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:58:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:58:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 13:58:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:58:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 13:58:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:58:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:58:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 13:58:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 13:58:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:21,451 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-10-24 13:58:21,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:58:21,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066713920] [2024-10-24 13:58:21,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066713920] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:58:21,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:58:21,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 13:58:21,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736795290] [2024-10-24 13:58:21,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:58:21,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 13:58:21,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:58:21,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 13:58:21,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:58:21,487 INFO L87 Difference]: Start difference. First operand has 1015 states, 625 states have (on average 1.368) internal successors, (855), 660 states have internal predecessors, (855), 316 states have call successors, (316), 73 states have call predecessors, (316), 72 states have return successors, (311), 310 states have call predecessors, (311), 311 states have call successors, (311) Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 13:58:22,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:58:23,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:58:24,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:58:27,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:58:27,074 INFO L93 Difference]: Finished difference Result 2051 states and 3062 transitions. [2024-10-24 13:58:27,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 13:58:27,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 154 [2024-10-24 13:58:27,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:58:27,090 INFO L225 Difference]: With dead ends: 2051 [2024-10-24 13:58:27,090 INFO L226 Difference]: Without dead ends: 1030 [2024-10-24 13:58:27,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:58:27,098 INFO L432 NwaCegarLoop]: 637 mSDtfsCounter, 1069 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 1560 mSolverCounterSat, 1101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1153 SdHoareTripleChecker+Valid, 1331 SdHoareTripleChecker+Invalid, 2661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1101 IncrementalHoareTripleChecker+Valid, 1560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:58:27,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1153 Valid, 1331 Invalid, 2661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1101 Valid, 1560 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-10-24 13:58:27,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2024-10-24 13:58:27,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 1006. [2024-10-24 13:58:27,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1006 states, 623 states have (on average 1.348314606741573) internal successors, (840), 651 states have internal predecessors, (840), 311 states have call successors, (311), 72 states have call predecessors, (311), 71 states have return successors, (297), 296 states have call predecessors, (297), 297 states have call successors, (297) [2024-10-24 13:58:27,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1448 transitions. [2024-10-24 13:58:27,201 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1448 transitions. Word has length 154 [2024-10-24 13:58:27,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:58:27,202 INFO L471 AbstractCegarLoop]: Abstraction has 1006 states and 1448 transitions. [2024-10-24 13:58:27,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 13:58:27,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1448 transitions. [2024-10-24 13:58:27,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-24 13:58:27,206 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:58:27,206 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:58:27,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 13:58:27,207 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:58:27,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:58:27,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1452199101, now seen corresponding path program 1 times [2024-10-24 13:58:27,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:58:27,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219210847] [2024-10-24 13:58:27,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:58:27,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:58:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:58:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:58:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:58:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:58:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 13:58:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 13:58:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:58:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:58:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 13:58:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:58:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 13:58:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:58:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:58:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 13:58:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 13:58:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:27,828 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-10-24 13:58:27,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:58:27,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219210847] [2024-10-24 13:58:27,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219210847] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:58:27,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:58:27,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:58:27,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066981369] [2024-10-24 13:58:27,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:58:27,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:58:27,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:58:27,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:58:27,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:58:27,833 INFO L87 Difference]: Start difference. First operand 1006 states and 1448 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-24 13:58:29,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:58:35,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:58:35,034 INFO L93 Difference]: Finished difference Result 2972 states and 4298 transitions. [2024-10-24 13:58:35,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:58:35,034 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 154 [2024-10-24 13:58:35,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:58:35,051 INFO L225 Difference]: With dead ends: 2972 [2024-10-24 13:58:35,051 INFO L226 Difference]: Without dead ends: 2002 [2024-10-24 13:58:35,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-10-24 13:58:35,055 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 2953 mSDsluCounter, 1165 mSDsCounter, 0 mSdLazyCounter, 2547 mSolverCounterSat, 2583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3152 SdHoareTripleChecker+Valid, 1789 SdHoareTripleChecker+Invalid, 5130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2583 IncrementalHoareTripleChecker+Valid, 2547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:58:35,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3152 Valid, 1789 Invalid, 5130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2583 Valid, 2547 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2024-10-24 13:58:35,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2024-10-24 13:58:35,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1946. [2024-10-24 13:58:35,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1946 states, 1215 states have (on average 1.3489711934156379) internal successors, (1639), 1258 states have internal predecessors, (1639), 589 states have call successors, (589), 142 states have call predecessors, (589), 141 states have return successors, (575), 573 states have call predecessors, (575), 575 states have call successors, (575) [2024-10-24 13:58:35,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 2803 transitions. [2024-10-24 13:58:35,145 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 2803 transitions. Word has length 154 [2024-10-24 13:58:35,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:58:35,145 INFO L471 AbstractCegarLoop]: Abstraction has 1946 states and 2803 transitions. [2024-10-24 13:58:35,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-24 13:58:35,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2803 transitions. [2024-10-24 13:58:35,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-24 13:58:35,147 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:58:35,148 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:58:35,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 13:58:35,148 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:58:35,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:58:35,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1968025523, now seen corresponding path program 1 times [2024-10-24 13:58:35,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:58:35,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990607223] [2024-10-24 13:58:35,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:58:35,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:58:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:58:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:58:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:58:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:58:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 13:58:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 13:58:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:58:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:58:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 13:58:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:58:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 13:58:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:58:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:58:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 13:58:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 13:58:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 13:58:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:35,690 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-10-24 13:58:35,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:58:35,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990607223] [2024-10-24 13:58:35,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990607223] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:58:35,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:58:35,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:58:35,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475621705] [2024-10-24 13:58:35,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:58:35,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:58:35,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:58:35,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:58:35,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:58:35,693 INFO L87 Difference]: Start difference. First operand 1946 states and 2803 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 13:58:40,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:58:40,270 INFO L93 Difference]: Finished difference Result 4945 states and 7076 transitions. [2024-10-24 13:58:40,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:58:40,271 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 159 [2024-10-24 13:58:40,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:58:40,289 INFO L225 Difference]: With dead ends: 4945 [2024-10-24 13:58:40,289 INFO L226 Difference]: Without dead ends: 3035 [2024-10-24 13:58:40,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 13:58:40,297 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 2123 mSDsluCounter, 1114 mSDsCounter, 0 mSdLazyCounter, 2549 mSolverCounterSat, 1930 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2269 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 4479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1930 IncrementalHoareTripleChecker+Valid, 2549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:58:40,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2269 Valid, 1741 Invalid, 4479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1930 Valid, 2549 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-10-24 13:58:40,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3035 states. [2024-10-24 13:58:40,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3035 to 2950. [2024-10-24 13:58:40,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2950 states, 1840 states have (on average 1.3407608695652173) internal successors, (2467), 1891 states have internal predecessors, (2467), 862 states have call successors, (862), 248 states have call predecessors, (862), 247 states have return successors, (848), 844 states have call predecessors, (848), 848 states have call successors, (848) [2024-10-24 13:58:40,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2950 states to 2950 states and 4177 transitions. [2024-10-24 13:58:40,402 INFO L78 Accepts]: Start accepts. Automaton has 2950 states and 4177 transitions. Word has length 159 [2024-10-24 13:58:40,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:58:40,402 INFO L471 AbstractCegarLoop]: Abstraction has 2950 states and 4177 transitions. [2024-10-24 13:58:40,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 13:58:40,403 INFO L276 IsEmpty]: Start isEmpty. Operand 2950 states and 4177 transitions. [2024-10-24 13:58:40,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-24 13:58:40,407 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:58:40,407 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:58:40,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 13:58:40,407 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:58:40,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:58:40,408 INFO L85 PathProgramCache]: Analyzing trace with hash -290202471, now seen corresponding path program 1 times [2024-10-24 13:58:40,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:58:40,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708198472] [2024-10-24 13:58:40,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:58:40,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:58:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:58:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:58:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:58:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:58:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 13:58:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 13:58:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:58:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:58:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 13:58:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:58:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 13:58:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:58:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:58:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 13:58:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 13:58:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 13:58:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 13:58:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:40,855 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-10-24 13:58:40,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:58:40,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708198472] [2024-10-24 13:58:40,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708198472] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:58:40,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:58:40,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:58:40,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512700685] [2024-10-24 13:58:40,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:58:40,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:58:40,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:58:40,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:58:40,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:58:40,857 INFO L87 Difference]: Start difference. First operand 2950 states and 4177 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-24 13:58:43,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:58:46,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:58:46,991 INFO L93 Difference]: Finished difference Result 7446 states and 10550 transitions. [2024-10-24 13:58:46,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:58:46,992 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 176 [2024-10-24 13:58:46,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:58:47,011 INFO L225 Difference]: With dead ends: 7446 [2024-10-24 13:58:47,011 INFO L226 Difference]: Without dead ends: 4540 [2024-10-24 13:58:47,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 13:58:47,018 INFO L432 NwaCegarLoop]: 907 mSDtfsCounter, 2062 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 2982 mSolverCounterSat, 1624 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2250 SdHoareTripleChecker+Valid, 2339 SdHoareTripleChecker+Invalid, 4606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1624 IncrementalHoareTripleChecker+Valid, 2982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:58:47,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2250 Valid, 2339 Invalid, 4606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1624 Valid, 2982 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-10-24 13:58:47,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4540 states. [2024-10-24 13:58:47,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4540 to 4418. [2024-10-24 13:58:47,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4418 states, 2787 states have (on average 1.344097595981342) internal successors, (3746), 2868 states have internal predecessors, (3746), 1250 states have call successors, (1250), 381 states have call predecessors, (1250), 380 states have return successors, (1236), 1228 states have call predecessors, (1236), 1236 states have call successors, (1236) [2024-10-24 13:58:47,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4418 states to 4418 states and 6232 transitions. [2024-10-24 13:58:47,172 INFO L78 Accepts]: Start accepts. Automaton has 4418 states and 6232 transitions. Word has length 176 [2024-10-24 13:58:47,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:58:47,174 INFO L471 AbstractCegarLoop]: Abstraction has 4418 states and 6232 transitions. [2024-10-24 13:58:47,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-24 13:58:47,174 INFO L276 IsEmpty]: Start isEmpty. Operand 4418 states and 6232 transitions. [2024-10-24 13:58:47,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-24 13:58:47,176 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:58:47,176 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:58:47,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 13:58:47,176 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:58:47,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:58:47,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1473109751, now seen corresponding path program 1 times [2024-10-24 13:58:47,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:58:47,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729161945] [2024-10-24 13:58:47,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:58:47,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:58:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:58:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:58:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:58:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:58:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 13:58:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 13:58:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:58:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:58:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 13:58:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:58:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 13:58:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:58:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:58:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 13:58:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 13:58:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 13:58:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-10-24 13:58:47,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:58:47,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729161945] [2024-10-24 13:58:47,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729161945] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:58:47,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:58:47,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:58:47,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338808023] [2024-10-24 13:58:47,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:58:47,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:58:47,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:58:47,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:58:47,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:58:47,692 INFO L87 Difference]: Start difference. First operand 4418 states and 6232 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 13:58:50,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:58:51,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:58:54,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:58:54,681 INFO L93 Difference]: Finished difference Result 4518 states and 6402 transitions. [2024-10-24 13:58:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:58:54,681 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 171 [2024-10-24 13:58:54,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:58:54,701 INFO L225 Difference]: With dead ends: 4518 [2024-10-24 13:58:54,701 INFO L226 Difference]: Without dead ends: 4515 [2024-10-24 13:58:54,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-24 13:58:54,704 INFO L432 NwaCegarLoop]: 623 mSDtfsCounter, 1733 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 2001 mSolverCounterSat, 1233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1852 SdHoareTripleChecker+Valid, 1625 SdHoareTripleChecker+Invalid, 3234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1233 IncrementalHoareTripleChecker+Valid, 2001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:58:54,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1852 Valid, 1625 Invalid, 3234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1233 Valid, 2001 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2024-10-24 13:58:54,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4515 states. [2024-10-24 13:58:54,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4515 to 4417. [2024-10-24 13:58:54,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4417 states, 2787 states have (on average 1.3437387872264084) internal successors, (3745), 2867 states have internal predecessors, (3745), 1249 states have call successors, (1249), 381 states have call predecessors, (1249), 380 states have return successors, (1236), 1228 states have call predecessors, (1236), 1236 states have call successors, (1236) [2024-10-24 13:58:54,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4417 states to 4417 states and 6230 transitions. [2024-10-24 13:58:54,977 INFO L78 Accepts]: Start accepts. Automaton has 4417 states and 6230 transitions. Word has length 171 [2024-10-24 13:58:54,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:58:54,978 INFO L471 AbstractCegarLoop]: Abstraction has 4417 states and 6230 transitions. [2024-10-24 13:58:54,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 13:58:54,978 INFO L276 IsEmpty]: Start isEmpty. Operand 4417 states and 6230 transitions. [2024-10-24 13:58:54,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-24 13:58:54,981 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:58:54,981 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:58:54,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 13:58:54,981 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:58:54,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:58:54,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1578702374, now seen corresponding path program 1 times [2024-10-24 13:58:54,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:58:54,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812017863] [2024-10-24 13:58:54,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:58:54,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:58:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:58:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:58:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:58:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:58:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 13:58:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 13:58:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:58:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:58:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 13:58:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:58:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 13:58:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:58:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:58:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 13:58:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 13:58:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 13:58:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:58:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:58:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:58:55,428 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-10-24 13:58:55,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:58:55,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812017863] [2024-10-24 13:58:55,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812017863] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:58:55,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:58:55,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:58:55,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218402013] [2024-10-24 13:58:55,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:58:55,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:58:55,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:58:55,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:58:55,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:58:55,430 INFO L87 Difference]: Start difference. First operand 4417 states and 6230 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 13:58:59,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:58:59,567 INFO L93 Difference]: Finished difference Result 4517 states and 6400 transitions. [2024-10-24 13:58:59,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:58:59,568 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 172 [2024-10-24 13:58:59,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:58:59,586 INFO L225 Difference]: With dead ends: 4517 [2024-10-24 13:58:59,587 INFO L226 Difference]: Without dead ends: 4514 [2024-10-24 13:58:59,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-24 13:58:59,588 INFO L432 NwaCegarLoop]: 621 mSDtfsCounter, 1730 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 2004 mSolverCounterSat, 1229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1849 SdHoareTripleChecker+Valid, 1620 SdHoareTripleChecker+Invalid, 3233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1229 IncrementalHoareTripleChecker+Valid, 2004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:58:59,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1849 Valid, 1620 Invalid, 3233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1229 Valid, 2004 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-24 13:58:59,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4514 states. [2024-10-24 13:58:59,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4514 to 4416. [2024-10-24 13:58:59,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4416 states, 2787 states have (on average 1.3433799784714746) internal successors, (3744), 2866 states have internal predecessors, (3744), 1248 states have call successors, (1248), 381 states have call predecessors, (1248), 380 states have return successors, (1236), 1228 states have call predecessors, (1236), 1236 states have call successors, (1236) [2024-10-24 13:58:59,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4416 states to 4416 states and 6228 transitions. [2024-10-24 13:58:59,756 INFO L78 Accepts]: Start accepts. Automaton has 4416 states and 6228 transitions. Word has length 172 [2024-10-24 13:58:59,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:58:59,759 INFO L471 AbstractCegarLoop]: Abstraction has 4416 states and 6228 transitions. [2024-10-24 13:58:59,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 13:58:59,760 INFO L276 IsEmpty]: Start isEmpty. Operand 4416 states and 6228 transitions. [2024-10-24 13:58:59,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-24 13:58:59,761 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:58:59,761 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:58:59,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 13:58:59,761 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:58:59,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:58:59,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1695592870, now seen corresponding path program 1 times [2024-10-24 13:58:59,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:58:59,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673131812] [2024-10-24 13:58:59,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:58:59,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:58:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:59:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:59:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:59:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:59:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 13:59:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 13:59:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:59:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:59:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 13:59:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:59:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 13:59:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:59:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:59:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 13:59:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 13:59:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 13:59:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-10-24 13:59:00,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:59:00,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673131812] [2024-10-24 13:59:00,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673131812] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:59:00,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:59:00,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:59:00,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683808283] [2024-10-24 13:59:00,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:59:00,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:59:00,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:59:00,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:59:00,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:59:00,213 INFO L87 Difference]: Start difference. First operand 4416 states and 6228 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 13:59:03,275 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 [] [2024-10-24 13:59:05,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:59:05,661 INFO L93 Difference]: Finished difference Result 4516 states and 6398 transitions. [2024-10-24 13:59:05,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:59:05,661 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 173 [2024-10-24 13:59:05,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:59:05,676 INFO L225 Difference]: With dead ends: 4516 [2024-10-24 13:59:05,676 INFO L226 Difference]: Without dead ends: 4513 [2024-10-24 13:59:05,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-24 13:59:05,677 INFO L432 NwaCegarLoop]: 619 mSDtfsCounter, 1727 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 2007 mSolverCounterSat, 1225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 1615 SdHoareTripleChecker+Invalid, 3232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1225 IncrementalHoareTripleChecker+Valid, 2007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:59:05,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1846 Valid, 1615 Invalid, 3232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1225 Valid, 2007 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-10-24 13:59:05,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4513 states. [2024-10-24 13:59:05,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4513 to 4415. [2024-10-24 13:59:05,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4415 states, 2787 states have (on average 1.343021169716541) internal successors, (3743), 2865 states have internal predecessors, (3743), 1247 states have call successors, (1247), 381 states have call predecessors, (1247), 380 states have return successors, (1236), 1228 states have call predecessors, (1236), 1236 states have call successors, (1236) [2024-10-24 13:59:05,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4415 states to 4415 states and 6226 transitions. [2024-10-24 13:59:05,849 INFO L78 Accepts]: Start accepts. Automaton has 4415 states and 6226 transitions. Word has length 173 [2024-10-24 13:59:05,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:59:05,850 INFO L471 AbstractCegarLoop]: Abstraction has 4415 states and 6226 transitions. [2024-10-24 13:59:05,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 13:59:05,851 INFO L276 IsEmpty]: Start isEmpty. Operand 4415 states and 6226 transitions. [2024-10-24 13:59:05,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-24 13:59:05,853 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:59:05,853 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:59:05,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 13:59:05,853 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:59:05,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:59:05,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1024226083, now seen corresponding path program 1 times [2024-10-24 13:59:05,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:59:05,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032071714] [2024-10-24 13:59:05,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:59:05,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:59:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:59:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:59:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:59:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:59:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 13:59:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 13:59:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:59:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:59:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 13:59:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:59:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 13:59:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:59:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:59:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 13:59:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 13:59:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 13:59:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:06,248 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-10-24 13:59:06,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:59:06,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032071714] [2024-10-24 13:59:06,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032071714] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:59:06,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:59:06,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:59:06,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773470269] [2024-10-24 13:59:06,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:59:06,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:59:06,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:59:06,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:59:06,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:59:06,250 INFO L87 Difference]: Start difference. First operand 4415 states and 6226 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 13:59:12,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:59:12,211 INFO L93 Difference]: Finished difference Result 13112 states and 18553 transitions. [2024-10-24 13:59:12,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:59:12,211 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 174 [2024-10-24 13:59:12,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:59:12,250 INFO L225 Difference]: With dead ends: 13112 [2024-10-24 13:59:12,250 INFO L226 Difference]: Without dead ends: 8745 [2024-10-24 13:59:12,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 13:59:12,264 INFO L432 NwaCegarLoop]: 821 mSDtfsCounter, 2386 mSDsluCounter, 1729 mSDsCounter, 0 mSdLazyCounter, 3492 mSolverCounterSat, 1617 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2581 SdHoareTripleChecker+Valid, 2550 SdHoareTripleChecker+Invalid, 5109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1617 IncrementalHoareTripleChecker+Valid, 3492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-10-24 13:59:12,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2581 Valid, 2550 Invalid, 5109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1617 Valid, 3492 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-10-24 13:59:12,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8745 states. [2024-10-24 13:59:12,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8745 to 8515. [2024-10-24 13:59:12,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8515 states, 5413 states have (on average 1.347127286162941) internal successors, (7292), 5573 states have internal predecessors, (7292), 2363 states have call successors, (2363), 748 states have call predecessors, (2363), 738 states have return successors, (2350), 2306 states have call predecessors, (2350), 2350 states have call successors, (2350) [2024-10-24 13:59:12,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8515 states to 8515 states and 12005 transitions. [2024-10-24 13:59:12,696 INFO L78 Accepts]: Start accepts. Automaton has 8515 states and 12005 transitions. Word has length 174 [2024-10-24 13:59:12,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:59:12,696 INFO L471 AbstractCegarLoop]: Abstraction has 8515 states and 12005 transitions. [2024-10-24 13:59:12,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 13:59:12,696 INFO L276 IsEmpty]: Start isEmpty. Operand 8515 states and 12005 transitions. [2024-10-24 13:59:12,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-10-24 13:59:12,698 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:59:12,698 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:59:12,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 13:59:12,698 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:59:12,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:59:12,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1686687299, now seen corresponding path program 1 times [2024-10-24 13:59:12,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:59:12,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005964287] [2024-10-24 13:59:12,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:59:12,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:59:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:59:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:59:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:59:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:59:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 13:59:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 13:59:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:12,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:13,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:13,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:59:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:13,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:59:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:13,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 13:59:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:13,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:59:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:13,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 13:59:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:13,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:59:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:13,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:59:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:13,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 13:59:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:13,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 13:59:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:13,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 13:59:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:13,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:13,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:13,072 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-10-24 13:59:13,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:59:13,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005964287] [2024-10-24 13:59:13,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005964287] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:59:13,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:59:13,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:59:13,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602434334] [2024-10-24 13:59:13,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:59:13,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:59:13,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:59:13,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:59:13,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:59:13,074 INFO L87 Difference]: Start difference. First operand 8515 states and 12005 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 13:59:15,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:59:17,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:59:17,529 INFO L93 Difference]: Finished difference Result 9469 states and 13028 transitions. [2024-10-24 13:59:17,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:59:17,530 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 175 [2024-10-24 13:59:17,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:59:17,555 INFO L225 Difference]: With dead ends: 9469 [2024-10-24 13:59:17,555 INFO L226 Difference]: Without dead ends: 9465 [2024-10-24 13:59:17,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 13:59:17,558 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 2061 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 1798 mSolverCounterSat, 1578 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2146 SdHoareTripleChecker+Valid, 1368 SdHoareTripleChecker+Invalid, 3376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1578 IncrementalHoareTripleChecker+Valid, 1798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:59:17,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2146 Valid, 1368 Invalid, 3376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1578 Valid, 1798 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-24 13:59:17,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9465 states. [2024-10-24 13:59:17,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9465 to 9265. [2024-10-24 13:59:17,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9265 states, 5873 states have (on average 1.3323684658607184) internal successors, (7825), 6027 states have internal predecessors, (7825), 2433 states have call successors, (2433), 972 states have call predecessors, (2433), 958 states have return successors, (2422), 2378 states have call predecessors, (2422), 2422 states have call successors, (2422) [2024-10-24 13:59:17,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9265 states to 9265 states and 12680 transitions. [2024-10-24 13:59:17,999 INFO L78 Accepts]: Start accepts. Automaton has 9265 states and 12680 transitions. Word has length 175 [2024-10-24 13:59:18,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:59:18,000 INFO L471 AbstractCegarLoop]: Abstraction has 9265 states and 12680 transitions. [2024-10-24 13:59:18,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 13:59:18,000 INFO L276 IsEmpty]: Start isEmpty. Operand 9265 states and 12680 transitions. [2024-10-24 13:59:18,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-24 13:59:18,001 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:59:18,002 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:59:18,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 13:59:18,002 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:59:18,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:59:18,002 INFO L85 PathProgramCache]: Analyzing trace with hash -748143648, now seen corresponding path program 1 times [2024-10-24 13:59:18,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:59:18,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54771104] [2024-10-24 13:59:18,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:59:18,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:59:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:59:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:59:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:59:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:59:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 13:59:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 13:59:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:59:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:59:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 13:59:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:59:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 13:59:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:59:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:59:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 13:59:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 13:59:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 13:59:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:18,388 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-10-24 13:59:18,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:59:18,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54771104] [2024-10-24 13:59:18,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54771104] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:59:18,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:59:18,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:59:18,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372865843] [2024-10-24 13:59:18,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:59:18,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:59:18,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:59:18,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:59:18,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:59:18,391 INFO L87 Difference]: Start difference. First operand 9265 states and 12680 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 13:59:23,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:59:23,692 INFO L93 Difference]: Finished difference Result 26688 states and 36854 transitions. [2024-10-24 13:59:23,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:59:23,693 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 176 [2024-10-24 13:59:23,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:59:23,750 INFO L225 Difference]: With dead ends: 26688 [2024-10-24 13:59:23,750 INFO L226 Difference]: Without dead ends: 17464 [2024-10-24 13:59:23,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-24 13:59:23,780 INFO L432 NwaCegarLoop]: 655 mSDtfsCounter, 2824 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 2592 mSolverCounterSat, 2290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3005 SdHoareTripleChecker+Valid, 1779 SdHoareTripleChecker+Invalid, 4882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2290 IncrementalHoareTripleChecker+Valid, 2592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-10-24 13:59:23,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3005 Valid, 1779 Invalid, 4882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2290 Valid, 2592 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-10-24 13:59:23,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17464 states. [2024-10-24 13:59:24,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17464 to 16944. [2024-10-24 13:59:24,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16944 states, 10848 states have (on average 1.3417219764011798) internal successors, (14555), 11156 states have internal predecessors, (14555), 4388 states have call successors, (4388), 1752 states have call predecessors, (4388), 1707 states have return successors, (4406), 4233 states have call predecessors, (4406), 4374 states have call successors, (4406) [2024-10-24 13:59:24,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16944 states to 16944 states and 23349 transitions. [2024-10-24 13:59:24,688 INFO L78 Accepts]: Start accepts. Automaton has 16944 states and 23349 transitions. Word has length 176 [2024-10-24 13:59:24,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:59:24,689 INFO L471 AbstractCegarLoop]: Abstraction has 16944 states and 23349 transitions. [2024-10-24 13:59:24,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 13:59:24,689 INFO L276 IsEmpty]: Start isEmpty. Operand 16944 states and 23349 transitions. [2024-10-24 13:59:24,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-24 13:59:24,694 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:59:24,695 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-10-24 13:59:24,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 13:59:24,695 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:59:24,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:59:24,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1272549970, now seen corresponding path program 1 times [2024-10-24 13:59:24,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:59:24,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643401487] [2024-10-24 13:59:24,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:59:24,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:59:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:24,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:24,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:24,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:24,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:59:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:24,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:24,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:24,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:59:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:59:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:59:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 13:59:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 13:59:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:59:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:59:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 13:59:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:59:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 13:59:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:59:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:59:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 13:59:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 13:59:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 13:59:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 13:59:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-24 13:59:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 13:59:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 13:59:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 13:59:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 13:59:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:25,121 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-10-24 13:59:25,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:59:25,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643401487] [2024-10-24 13:59:25,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643401487] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:59:25,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:59:25,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:59:25,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750538158] [2024-10-24 13:59:25,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:59:25,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:59:25,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:59:25,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:59:25,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:59:25,123 INFO L87 Difference]: Start difference. First operand 16944 states and 23349 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-24 13:59:28,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:59:32,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:59:32,148 INFO L93 Difference]: Finished difference Result 25840 states and 35636 transitions. [2024-10-24 13:59:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 13:59:32,149 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 222 [2024-10-24 13:59:32,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:59:32,188 INFO L225 Difference]: With dead ends: 25840 [2024-10-24 13:59:32,189 INFO L226 Difference]: Without dead ends: 8942 [2024-10-24 13:59:32,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-24 13:59:32,237 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 856 mSDsluCounter, 1500 mSDsCounter, 0 mSdLazyCounter, 2956 mSolverCounterSat, 711 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 939 SdHoareTripleChecker+Valid, 2127 SdHoareTripleChecker+Invalid, 3667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 711 IncrementalHoareTripleChecker+Valid, 2956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-10-24 13:59:32,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [939 Valid, 2127 Invalid, 3667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [711 Valid, 2956 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-10-24 13:59:32,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8942 states. [2024-10-24 13:59:32,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8942 to 8664. [2024-10-24 13:59:32,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8664 states, 5550 states have (on average 1.341981981981982) internal successors, (7448), 5709 states have internal predecessors, (7448), 2238 states have call successors, (2238), 899 states have call predecessors, (2238), 875 states have return successors, (2240), 2156 states have call predecessors, (2240), 2224 states have call successors, (2240) [2024-10-24 13:59:32,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8664 states to 8664 states and 11926 transitions. [2024-10-24 13:59:32,737 INFO L78 Accepts]: Start accepts. Automaton has 8664 states and 11926 transitions. Word has length 222 [2024-10-24 13:59:32,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:59:32,738 INFO L471 AbstractCegarLoop]: Abstraction has 8664 states and 11926 transitions. [2024-10-24 13:59:32,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-24 13:59:32,738 INFO L276 IsEmpty]: Start isEmpty. Operand 8664 states and 11926 transitions. [2024-10-24 13:59:32,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-10-24 13:59:32,742 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:59:32,743 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 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] [2024-10-24 13:59:32,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 13:59:32,743 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:59:32,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:59:32,743 INFO L85 PathProgramCache]: Analyzing trace with hash 280548891, now seen corresponding path program 1 times [2024-10-24 13:59:32,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:59:32,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071269150] [2024-10-24 13:59:32,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:59:32,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:59:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:59:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:59:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:59:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 13:59:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 13:59:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 13:59:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 13:59:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 13:59:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 13:59:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 13:59:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 13:59:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:59:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 13:59:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 13:59:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 13:59:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 13:59:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 13:59:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 13:59:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:59:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:59:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 13:59:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 13:59:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 13:59:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:59:33,242 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-10-24 13:59:33,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:59:33,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071269150] [2024-10-24 13:59:33,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071269150] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:59:33,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:59:33,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:59:33,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242543913] [2024-10-24 13:59:33,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:59:33,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:59:33,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:59:33,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:59:33,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:59:33,244 INFO L87 Difference]: Start difference. First operand 8664 states and 11926 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-24 13:59:38,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:59:38,732 INFO L93 Difference]: Finished difference Result 21864 states and 30076 transitions. [2024-10-24 13:59:38,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:59:38,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 229 [2024-10-24 13:59:38,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:59:38,783 INFO L225 Difference]: With dead ends: 21864 [2024-10-24 13:59:38,783 INFO L226 Difference]: Without dead ends: 13345 [2024-10-24 13:59:38,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-10-24 13:59:38,804 INFO L432 NwaCegarLoop]: 739 mSDtfsCounter, 2309 mSDsluCounter, 1219 mSDsCounter, 0 mSdLazyCounter, 3160 mSolverCounterSat, 1790 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2453 SdHoareTripleChecker+Valid, 1958 SdHoareTripleChecker+Invalid, 4950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1790 IncrementalHoareTripleChecker+Valid, 3160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:59:38,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 1958 Invalid, 4950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1790 Valid, 3160 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-10-24 13:59:38,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13345 states. [2024-10-24 13:59:39,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13345 to 12896. [2024-10-24 13:59:39,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12896 states, 8337 states have (on average 1.336332013913878) internal successors, (11141), 8570 states have internal predecessors, (11141), 3220 states have call successors, (3220), 1374 states have call predecessors, (3220), 1338 states have return successors, (3222), 3105 states have call predecessors, (3222), 3206 states have call successors, (3222) [2024-10-24 13:59:39,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12896 states to 12896 states and 17583 transitions. [2024-10-24 13:59:39,591 INFO L78 Accepts]: Start accepts. Automaton has 12896 states and 17583 transitions. Word has length 229 [2024-10-24 13:59:39,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:59:39,591 INFO L471 AbstractCegarLoop]: Abstraction has 12896 states and 17583 transitions. [2024-10-24 13:59:39,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-24 13:59:39,592 INFO L276 IsEmpty]: Start isEmpty. Operand 12896 states and 17583 transitions. [2024-10-24 13:59:39,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-10-24 13:59:39,595 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:59:39,596 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 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] [2024-10-24 13:59:39,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 13:59:39,596 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:59:39,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:59:39,596 INFO L85 PathProgramCache]: Analyzing trace with hash 468467884, now seen corresponding path program 1 times [2024-10-24 13:59:39,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:59:39,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762097043] [2024-10-24 13:59:39,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:59:39,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms