./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 37b391ae58c5e6c2e62d05a454cd149d807feea3462a4157cf615889ce62b744 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 06:32:58,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 06:32:58,845 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 06:32:58,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 06:32:58,854 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 06:32:58,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 06:32:58,880 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 06:32:58,880 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 06:32:58,880 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 06:32:58,880 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 06:32:58,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 06:32:58,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 06:32:58,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 06:32:58,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 06:32:58,881 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 06:32:58,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 06:32:58,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 06:32:58,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 06:32:58,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 06:32:58,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 06:32:58,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 06:32:58,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 06:32:58,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 06:32:58,882 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 06:32:58,882 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 06:32:58,882 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 06:32:58,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 06:32:58,882 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 06:32:58,882 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 06:32:58,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 06:32:58,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 06:32:58,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 06:32:58,883 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 06:32:58,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 06:32:58,883 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 06:32:58,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 06:32:58,883 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 06:32:58,883 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 06:32:58,883 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 06:32:58,883 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 06:32:58,884 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 37b391ae58c5e6c2e62d05a454cd149d807feea3462a4157cf615889ce62b744 [2025-02-06 06:32:59,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 06:32:59,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 06:32:59,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 06:32:59,144 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 06:32:59,144 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 06:32:59,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2025-02-06 06:33:00,361 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f5d7ba34b/a19e5783d7aa42f69ff271cfddad8a70/FLAG8592b2f73 [2025-02-06 06:33:00,742 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 06:33:00,743 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2025-02-06 06:33:00,764 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f5d7ba34b/a19e5783d7aa42f69ff271cfddad8a70/FLAG8592b2f73 [2025-02-06 06:33:00,777 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f5d7ba34b/a19e5783d7aa42f69ff271cfddad8a70 [2025-02-06 06:33:00,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 06:33:00,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 06:33:00,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 06:33:00,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 06:33:00,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 06:33:00,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:33:00" (1/1) ... [2025-02-06 06:33:00,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c355ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:33:00, skipping insertion in model container [2025-02-06 06:33:00,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:33:00" (1/1) ... [2025-02-06 06:33:00,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 06:33:01,770 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i[158797,158810] [2025-02-06 06:33:01,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 06:33:01,853 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 06:33:01,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [2769-2770] [2025-02-06 06:33:01,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [2796] [2025-02-06 06:33:01,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2799] [2025-02-06 06:33:01,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2802] [2025-02-06 06:33:01,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2805] [2025-02-06 06:33:01,989 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ep->ep_list.next) [3649] [2025-02-06 06:33:01,993 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)ep->ep_list.next) [3671] [2025-02-06 06:33:02,069 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i[158797,158810] [2025-02-06 06:33:02,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 06:33:02,144 INFO L204 MainTranslator]: Completed translation [2025-02-06 06:33:02,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:33:02 WrapperNode [2025-02-06 06:33:02,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 06:33:02,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 06:33:02,149 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 06:33:02,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 06:33:02,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:33:02" (1/1) ... [2025-02-06 06:33:02,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:33:02" (1/1) ... [2025-02-06 06:33:02,424 INFO L138 Inliner]: procedures = 189, calls = 2554, calls flagged for inlining = 78, calls inlined = 78, statements flattened = 4799 [2025-02-06 06:33:02,425 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 06:33:02,426 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 06:33:02,426 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 06:33:02,426 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 06:33:02,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:33:02" (1/1) ... [2025-02-06 06:33:02,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:33:02" (1/1) ... [2025-02-06 06:33:02,464 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:33:02" (1/1) ... [2025-02-06 06:33:03,000 INFO L175 MemorySlicer]: Split 1878 memory accesses to 13 slices as follows [2, 13, 6, 25, 12, 5, 19, 26, 8, 0, 2, 23, 1737]. 92 percent of accesses are in the largest equivalence class. The 1387 initializations are split as follows [2, 8, 1, 22, 12, 2, 8, 0, 0, 0, 0, 0, 1332]. The 231 writes are split as follows [0, 0, 0, 0, 0, 0, 1, 26, 1, 0, 0, 23, 180]. [2025-02-06 06:33:03,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:33:02" (1/1) ... [2025-02-06 06:33:03,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:33:02" (1/1) ... [2025-02-06 06:33:03,114 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:33:02" (1/1) ... [2025-02-06 06:33:03,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:33:02" (1/1) ... [2025-02-06 06:33:03,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:33:02" (1/1) ... [2025-02-06 06:33:03,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:33:02" (1/1) ... [2025-02-06 06:33:03,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 06:33:03,201 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 06:33:03,201 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 06:33:03,201 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 06:33:03,202 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:33:02" (1/1) ... [2025-02-06 06:33:03,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 06:33:03,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 06:33:03,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 06:33:03,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 06:33:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2025-02-06 06:33:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2025-02-06 06:33:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2025-02-06 06:33:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2025-02-06 06:33:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2025-02-06 06:33:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2025-02-06 06:33:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2025-02-06 06:33:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2025-02-06 06:33:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 06:33:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 06:33:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 06:33:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 06:33:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 06:33:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 06:33:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 06:33:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 06:33:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-06 06:33:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-06 06:33:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-06 06:33:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 06:33:03,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-02-06 06:33:03,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-02-06 06:33:03,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-02-06 06:33:03,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-02-06 06:33:03,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-02-06 06:33:03,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-02-06 06:33:03,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-02-06 06:33:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 06:33:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 06:33:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 06:33:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 06:33:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 06:33:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 06:33:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 06:33:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 06:33:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-06 06:33:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-06 06:33:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-06 06:33:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-06 06:33:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-02-06 06:33:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-02-06 06:33:03,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-02-06 06:33:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2025-02-06 06:33:03,258 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2025-02-06 06:33:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2025-02-06 06:33:03,258 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2025-02-06 06:33:03,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-02-06 06:33:03,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-02-06 06:33:03,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-02-06 06:33:03,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-02-06 06:33:03,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-02-06 06:33:03,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-02-06 06:33:03,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-02-06 06:33:03,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-02-06 06:33:03,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-02-06 06:33:03,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-02-06 06:33:03,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-02-06 06:33:03,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-02-06 06:33:03,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-02-06 06:33:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-02-06 06:33:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-02-06 06:33:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-02-06 06:33:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-02-06 06:33:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-02-06 06:33:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-02-06 06:33:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-02-06 06:33:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-02-06 06:33:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-02-06 06:33:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-02-06 06:33:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-02-06 06:33:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-02-06 06:33:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2025-02-06 06:33:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2025-02-06 06:33:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2025-02-06 06:33:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-02-06 06:33:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2025-02-06 06:33:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2025-02-06 06:33:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2025-02-06 06:33:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2025-02-06 06:33:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2025-02-06 06:33:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2025-02-06 06:33:03,261 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-06 06:33:03,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-06 06:33:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-06 06:33:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-06 06:33:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-02-06 06:33:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-02-06 06:33:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-02-06 06:33:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2025-02-06 06:33:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2025-02-06 06:33:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 06:33:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure printer_write [2025-02-06 06:33:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_write [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2025-02-06 06:33:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2025-02-06 06:33:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-02-06 06:33:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2025-02-06 06:33:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2025-02-06 06:33:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2025-02-06 06:33:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2025-02-06 06:33:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-02-06 06:33:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-02-06 06:33:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-02-06 06:33:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-02-06 06:33:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-02-06 06:33:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-02-06 06:33:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2025-02-06 06:33:03,268 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2025-02-06 06:33:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2025-02-06 06:33:03,268 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2025-02-06 06:33:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2025-02-06 06:33:03,268 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2025-02-06 06:33:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 06:33:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 06:33:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 06:33:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 06:33:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2025-02-06 06:33:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2025-02-06 06:33:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2025-02-06 06:33:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2025-02-06 06:33:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-02-06 06:33:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2025-02-06 06:33:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-02-06 06:33:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2025-02-06 06:33:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2025-02-06 06:33:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2025-02-06 06:33:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2025-02-06 06:33:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-02-06 06:33:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-02-06 06:33:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-02-06 06:33:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-02-06 06:33:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-02-06 06:33:03,270 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-02-06 06:33:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2025-02-06 06:33:03,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2025-02-06 06:33:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2025-02-06 06:33:03,270 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2025-02-06 06:33:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2025-02-06 06:33:03,270 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2025-02-06 06:33:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-02-06 06:33:03,270 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-02-06 06:33:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2025-02-06 06:33:03,270 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2025-02-06 06:33:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2025-02-06 06:33:03,270 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2025-02-06 06:33:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2025-02-06 06:33:03,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2025-02-06 06:33:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 06:33:03,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 06:33:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2025-02-06 06:33:03,270 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2025-02-06 06:33:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2025-02-06 06:33:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2025-02-06 06:33:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2025-02-06 06:33:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2025-02-06 06:33:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2025-02-06 06:33:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2025-02-06 06:33:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 06:33:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 06:33:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 06:33:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 06:33:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 06:33:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 06:33:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 06:33:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 06:33:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-06 06:33:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-06 06:33:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-06 06:33:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-06 06:33:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-02-06 06:33:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2025-02-06 06:33:03,274 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2025-02-06 06:33:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-02-06 06:33:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-02-06 06:33:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-02-06 06:33:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-02-06 06:33:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-02-06 06:33:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-02-06 06:33:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-02-06 06:33:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-02-06 06:33:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-02-06 06:33:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-02-06 06:33:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-02-06 06:33:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-02-06 06:33:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-02-06 06:33:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2025-02-06 06:33:03,274 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2025-02-06 06:33:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 06:33:03,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 06:33:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-02-06 06:33:03,274 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-02-06 06:33:03,808 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 06:33:03,810 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 06:33:04,008 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-02-06 06:33:04,018 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5865: havoc dev_get_drvdata_#t~ret734#1.base, dev_get_drvdata_#t~ret734#1.offset; [2025-02-06 06:33:04,189 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint setup_rx_reqsFINAL: assume true; [2025-02-06 06:33:04,487 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4257: call ULTIMATE.dealloc(~#__wait~2.base, ~#__wait~2.offset);havoc ~#__wait~2.base, ~#__wait~2.offset; [2025-02-06 06:33:05,080 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5849: havoc cdev_add_#t~nondet732#1; [2025-02-06 06:33:05,081 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5875: havoc device_create_#t~ret736#1.base, device_create_#t~ret736#1.offset; [2025-02-06 06:33:05,081 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5872: havoc dev_warn_#t~nondet735#1; [2025-02-06 06:33:05,081 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4972: call ULTIMATE.dealloc(~#__key~0#1.base, ~#__key~0#1.offset);havoc ~#__key~0#1.base, ~#__key~0#1.offset;call ULTIMATE.dealloc(~#__key___0~0#1.base, ~#__key___0~0#1.offset);havoc ~#__key___0~0#1.base, ~#__key___0~0#1.offset;call ULTIMATE.dealloc(~#__key___1~0#1.base, ~#__key___1~0#1.offset);havoc ~#__key___1~0#1.base, ~#__key___1~0#1.offset;call ULTIMATE.dealloc(~#__key___2~0#1.base, ~#__key___2~0#1.offset);havoc ~#__key___2~0#1.base, ~#__key___2~0#1.offset;call ULTIMATE.dealloc(~#__key___3~0#1.base, ~#__key___3~0#1.offset);havoc ~#__key___3~0#1.base, ~#__key___3~0#1.offset; [2025-02-06 06:33:05,083 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5914: havoc #t~nondet739; [2025-02-06 06:33:05,098 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5903: havoc #t~nondet737; [2025-02-06 06:33:05,100 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5862: havoc #t~nondet733; [2025-02-06 06:33:05,106 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2919: havoc __kmalloc_#t~ret67#1.base, __kmalloc_#t~ret67#1.offset; [2025-02-06 06:33:05,107 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5835: havoc #t~nondet730; [2025-02-06 06:33:05,126 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2872: havoc #t~mem35.base, #t~mem35.offset; [2025-02-06 06:33:05,363 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5824: havoc _copy_from_user_#t~nondet728#1; [2025-02-06 06:33:05,364 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4109: call ULTIMATE.dealloc(~#__wait~1#1.base, ~#__wait~1#1.offset);havoc ~#__wait~1#1.base, ~#__wait~1#1.offset; [2025-02-06 06:33:05,578 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5910: havoc simple_strtoul_#t~nondet738#1; [2025-02-06 06:33:05,923 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3373: havoc usb_gadget_get_string_#t~mem213#1; [2025-02-06 06:33:11,808 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5538-1: ldv_usb_gadget_register_driver_11_#res#1 := ldv_usb_gadget_register_driver_11_~ldv_func_res~1#1; [2025-02-06 06:33:11,809 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5259: call ULTIMATE.dealloc(main_~#ldvarg6~0#1.base, main_~#ldvarg6~0#1.offset);havoc main_~#ldvarg6~0#1.base, main_~#ldvarg6~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg1~0#1.base, main_~#ldvarg1~0#1.offset);havoc main_~#ldvarg1~0#1.base, main_~#ldvarg1~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg4~0#1.base, main_~#ldvarg4~0#1.offset);havoc main_~#ldvarg4~0#1.base, main_~#ldvarg4~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg9~0#1.base, main_~#ldvarg9~0#1.offset);havoc main_~#ldvarg9~0#1.base, main_~#ldvarg9~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset);havoc main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset; [2025-02-06 06:33:11,809 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3939: call ULTIMATE.dealloc(printer_read_~#__wait~0#1.base, printer_read_~#__wait~0#1.offset);havoc printer_read_~#__wait~0#1.base, printer_read_~#__wait~0#1.offset; [2025-02-06 06:33:11,809 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5921: havoc usb_gadget_register_driver_#t~nondet740#1; [2025-02-06 06:33:11,809 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5925: havoc usb_gadget_unregister_driver_#t~nondet741#1; [2025-02-06 06:33:11,809 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5828: havoc _copy_to_user_#t~nondet729#1; [2025-02-06 06:33:11,809 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845: havoc alloc_chrdev_region_#t~nondet731#1; [2025-02-06 06:33:11,809 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5517-1: ldv_alloc_chrdev_region_9_#res#1 := ldv_alloc_chrdev_region_9_~ldv_func_res~0#1; [2025-02-06 06:33:12,397 INFO L? ?]: Removed 1654 outVars from TransFormulas that were not future-live. [2025-02-06 06:33:12,398 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 06:33:12,439 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 06:33:12,439 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 06:33:12,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:33:12 BoogieIcfgContainer [2025-02-06 06:33:12,440 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 06:33:12,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 06:33:12,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 06:33:12,445 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 06:33:12,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 06:33:00" (1/3) ... [2025-02-06 06:33:12,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a746c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:33:12, skipping insertion in model container [2025-02-06 06:33:12,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:33:02" (2/3) ... [2025-02-06 06:33:12,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a746c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:33:12, skipping insertion in model container [2025-02-06 06:33:12,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:33:12" (3/3) ... [2025-02-06 06:33:12,447 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2025-02-06 06:33:12,457 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 06:33:12,459 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i that has 95 procedures, 1502 locations, 1 initial locations, 40 loop locations, and 1 error locations. [2025-02-06 06:33:12,519 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 06:33:12,530 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;@667e00dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 06:33:12,530 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 06:33:12,536 INFO L276 IsEmpty]: Start isEmpty. Operand has 1400 states, 960 states have (on average 1.3614583333333334) internal successors, (1307), 1007 states have internal predecessors, (1307), 364 states have call successors, (364), 71 states have call predecessors, (364), 69 states have return successors, (357), 354 states have call predecessors, (357), 357 states have call successors, (357) [2025-02-06 06:33:12,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-02-06 06:33:12,547 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:33:12,548 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:33:12,548 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:33:12,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:33:12,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1910616142, now seen corresponding path program 1 times [2025-02-06 06:33:12,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:33:12,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755837344] [2025-02-06 06:33:12,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:33:12,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:33:14,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-06 06:33:14,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-06 06:33:14,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:33:14,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:33:14,928 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2025-02-06 06:33:14,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:33:14,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755837344] [2025-02-06 06:33:14,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755837344] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 06:33:14,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948407957] [2025-02-06 06:33:14,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:33:14,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 06:33:14,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 06:33:14,937 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 06:33:14,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 06:33:16,699 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-06 06:33:17,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-06 06:33:17,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:33:17,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:33:17,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 5287 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 06:33:17,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 06:33:17,288 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2025-02-06 06:33:17,289 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 06:33:17,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948407957] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:33:17,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 06:33:17,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 06:33:17,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069688439] [2025-02-06 06:33:17,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:33:17,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 06:33:17,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:33:17,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 06:33:17,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 06:33:17,311 INFO L87 Difference]: Start difference. First operand has 1400 states, 960 states have (on average 1.3614583333333334) internal successors, (1307), 1007 states have internal predecessors, (1307), 364 states have call successors, (364), 71 states have call predecessors, (364), 69 states have return successors, (357), 354 states have call predecessors, (357), 357 states have call successors, (357) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-02-06 06:33:17,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:33:17,529 INFO L93 Difference]: Finished difference Result 2549 states and 3714 transitions. [2025-02-06 06:33:17,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 06:33:17,531 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 171 [2025-02-06 06:33:17,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:33:17,549 INFO L225 Difference]: With dead ends: 2549 [2025-02-06 06:33:17,549 INFO L226 Difference]: Without dead ends: 1226 [2025-02-06 06:33:17,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 06:33:17,588 INFO L435 NwaCegarLoop]: 1791 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1791 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 06:33:17,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1791 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 06:33:17,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2025-02-06 06:33:17,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1226. [2025-02-06 06:33:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1226 states, 862 states have (on average 1.3445475638051043) internal successors, (1159), 893 states have internal predecessors, (1159), 297 states have call successors, (297), 67 states have call predecessors, (297), 66 states have return successors, (284), 281 states have call predecessors, (284), 284 states have call successors, (284) [2025-02-06 06:33:17,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1740 transitions. [2025-02-06 06:33:17,790 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 1740 transitions. Word has length 171 [2025-02-06 06:33:17,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:33:17,791 INFO L471 AbstractCegarLoop]: Abstraction has 1226 states and 1740 transitions. [2025-02-06 06:33:17,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-02-06 06:33:17,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1740 transitions. [2025-02-06 06:33:17,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-02-06 06:33:17,797 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:33:17,797 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:33:17,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 06:33:17,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 06:33:17,999 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:33:17,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:33:17,999 INFO L85 PathProgramCache]: Analyzing trace with hash 530436488, now seen corresponding path program 1 times [2025-02-06 06:33:18,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:33:18,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520268717] [2025-02-06 06:33:18,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:33:18,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:33:19,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-06 06:33:19,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-06 06:33:19,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:33:19,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:33:19,844 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2025-02-06 06:33:19,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:33:19,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520268717] [2025-02-06 06:33:19,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520268717] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:33:19,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:33:19,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:33:19,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447683510] [2025-02-06 06:33:19,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:33:19,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:33:19,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:33:19,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:33:19,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:33:19,847 INFO L87 Difference]: Start difference. First operand 1226 states and 1740 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-06 06:33:20,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:33:20,195 INFO L93 Difference]: Finished difference Result 2388 states and 3393 transitions. [2025-02-06 06:33:20,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:33:20,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 171 [2025-02-06 06:33:20,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:33:20,209 INFO L225 Difference]: With dead ends: 2388 [2025-02-06 06:33:20,209 INFO L226 Difference]: Without dead ends: 2359 [2025-02-06 06:33:20,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:33:20,211 INFO L435 NwaCegarLoop]: 1704 mSDtfsCounter, 1682 mSDsluCounter, 1606 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1682 SdHoareTripleChecker+Valid, 3310 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 06:33:20,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1682 Valid, 3310 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 06:33:20,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2359 states. [2025-02-06 06:33:20,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2359 to 2355. [2025-02-06 06:33:20,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2355 states, 1668 states have (on average 1.3465227817745804) internal successors, (2246), 1719 states have internal predecessors, (2246), 559 states have call successors, (559), 129 states have call predecessors, (559), 127 states have return successors, (547), 538 states have call predecessors, (547), 547 states have call successors, (547) [2025-02-06 06:33:20,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2355 states and 3352 transitions. [2025-02-06 06:33:20,312 INFO L78 Accepts]: Start accepts. Automaton has 2355 states and 3352 transitions. Word has length 171 [2025-02-06 06:33:20,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:33:20,313 INFO L471 AbstractCegarLoop]: Abstraction has 2355 states and 3352 transitions. [2025-02-06 06:33:20,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-06 06:33:20,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 3352 transitions. [2025-02-06 06:33:20,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-02-06 06:33:20,316 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:33:20,316 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:33:20,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 06:33:20,316 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:33:20,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:33:20,317 INFO L85 PathProgramCache]: Analyzing trace with hash -737006669, now seen corresponding path program 1 times [2025-02-06 06:33:20,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:33:20,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944115513] [2025-02-06 06:33:20,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:33:20,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:33:21,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-02-06 06:33:21,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-02-06 06:33:21,720 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:33:21,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:33:22,010 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2025-02-06 06:33:22,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:33:22,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944115513] [2025-02-06 06:33:22,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944115513] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:33:22,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:33:22,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:33:22,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383090218] [2025-02-06 06:33:22,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:33:22,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:33:22,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:33:22,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:33:22,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:33:22,012 INFO L87 Difference]: Start difference. First operand 2355 states and 3352 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-06 06:33:22,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:33:22,321 INFO L93 Difference]: Finished difference Result 6963 states and 9928 transitions. [2025-02-06 06:33:22,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:33:22,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 172 [2025-02-06 06:33:22,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:33:22,346 INFO L225 Difference]: With dead ends: 6963 [2025-02-06 06:33:22,347 INFO L226 Difference]: Without dead ends: 4642 [2025-02-06 06:33:22,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:33:22,357 INFO L435 NwaCegarLoop]: 1720 mSDtfsCounter, 1682 mSDsluCounter, 1615 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1682 SdHoareTripleChecker+Valid, 3335 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 06:33:22,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1682 Valid, 3335 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 06:33:22,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4642 states. [2025-02-06 06:33:22,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4642 to 4634. [2025-02-06 06:33:22,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4634 states, 3295 states have (on average 1.3487101669195751) internal successors, (4444), 3388 states have internal predecessors, (4444), 1089 states have call successors, (1089), 253 states have call predecessors, (1089), 249 states have return successors, (1071), 1056 states have call predecessors, (1071), 1071 states have call successors, (1071) [2025-02-06 06:33:22,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4634 states to 4634 states and 6604 transitions. [2025-02-06 06:33:22,498 INFO L78 Accepts]: Start accepts. Automaton has 4634 states and 6604 transitions. Word has length 172 [2025-02-06 06:33:22,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:33:22,498 INFO L471 AbstractCegarLoop]: Abstraction has 4634 states and 6604 transitions. [2025-02-06 06:33:22,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-06 06:33:22,499 INFO L276 IsEmpty]: Start isEmpty. Operand 4634 states and 6604 transitions. [2025-02-06 06:33:22,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-02-06 06:33:22,500 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:33:22,500 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:33:22,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 06:33:22,501 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:33:22,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:33:22,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1379144307, now seen corresponding path program 1 times [2025-02-06 06:33:22,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:33:22,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352203126] [2025-02-06 06:33:22,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:33:22,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:33:23,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-06 06:33:23,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-06 06:33:23,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:33:23,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:33:24,242 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2025-02-06 06:33:24,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:33:24,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352203126] [2025-02-06 06:33:24,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352203126] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:33:24,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:33:24,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:33:24,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738426575] [2025-02-06 06:33:24,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:33:24,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:33:24,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:33:24,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:33:24,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:33:24,244 INFO L87 Difference]: Start difference. First operand 4634 states and 6604 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-02-06 06:33:28,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 06:33:28,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:33:28,999 INFO L93 Difference]: Finished difference Result 13560 states and 19353 transitions. [2025-02-06 06:33:28,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:33:29,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 174 [2025-02-06 06:33:29,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:33:29,051 INFO L225 Difference]: With dead ends: 13560 [2025-02-06 06:33:29,051 INFO L226 Difference]: Without dead ends: 8960 [2025-02-06 06:33:29,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:33:29,070 INFO L435 NwaCegarLoop]: 2233 mSDtfsCounter, 1643 mSDsluCounter, 1604 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1643 SdHoareTripleChecker+Valid, 3837 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2025-02-06 06:33:29,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1643 Valid, 3837 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2025-02-06 06:33:29,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8960 states. [2025-02-06 06:33:29,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8960 to 8952. [2025-02-06 06:33:29,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8952 states, 6374 states have (on average 1.3520552243489175) internal successors, (8618), 6542 states have internal predecessors, (8618), 2089 states have call successors, (2089), 493 states have call predecessors, (2089), 488 states have return successors, (2071), 2044 states have call predecessors, (2071), 2071 states have call successors, (2071) [2025-02-06 06:33:29,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8952 states to 8952 states and 12778 transitions. [2025-02-06 06:33:29,374 INFO L78 Accepts]: Start accepts. Automaton has 8952 states and 12778 transitions. Word has length 174 [2025-02-06 06:33:29,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:33:29,375 INFO L471 AbstractCegarLoop]: Abstraction has 8952 states and 12778 transitions. [2025-02-06 06:33:29,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-02-06 06:33:29,376 INFO L276 IsEmpty]: Start isEmpty. Operand 8952 states and 12778 transitions. [2025-02-06 06:33:29,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-02-06 06:33:29,380 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:33:29,380 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:33:29,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 06:33:29,380 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:33:29,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:33:29,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1266870112, now seen corresponding path program 1 times [2025-02-06 06:33:29,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:33:29,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899153150] [2025-02-06 06:33:29,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:33:29,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:33:30,758 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-02-06 06:33:30,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-02-06 06:33:30,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:33:30,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:33:31,120 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2025-02-06 06:33:31,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:33:31,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899153150] [2025-02-06 06:33:31,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899153150] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:33:31,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:33:31,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:33:31,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83396964] [2025-02-06 06:33:31,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:33:31,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:33:31,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:33:31,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:33:31,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:33:31,121 INFO L87 Difference]: Start difference. First operand 8952 states and 12778 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-02-06 06:33:31,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:33:31,874 INFO L93 Difference]: Finished difference Result 26769 states and 38226 transitions. [2025-02-06 06:33:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:33:31,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 195 [2025-02-06 06:33:31,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:33:31,972 INFO L225 Difference]: With dead ends: 26769 [2025-02-06 06:33:31,972 INFO L226 Difference]: Without dead ends: 17848 [2025-02-06 06:33:32,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:33:32,007 INFO L435 NwaCegarLoop]: 1776 mSDtfsCounter, 1670 mSDsluCounter, 1638 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1670 SdHoareTripleChecker+Valid, 3414 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 06:33:32,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1670 Valid, 3414 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 06:33:32,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17848 states. [2025-02-06 06:33:32,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17848 to 17805. [2025-02-06 06:33:32,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17805 states, 12695 states have (on average 1.3528160693186293) internal successors, (17174), 13021 states have internal predecessors, (17174), 4141 states have call successors, (4141), 976 states have call predecessors, (4141), 968 states have return successors, (4121), 4063 states have call predecessors, (4121), 4121 states have call successors, (4121) [2025-02-06 06:33:32,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17805 states to 17805 states and 25436 transitions. [2025-02-06 06:33:32,687 INFO L78 Accepts]: Start accepts. Automaton has 17805 states and 25436 transitions. Word has length 195 [2025-02-06 06:33:32,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:33:32,688 INFO L471 AbstractCegarLoop]: Abstraction has 17805 states and 25436 transitions. [2025-02-06 06:33:32,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-02-06 06:33:32,689 INFO L276 IsEmpty]: Start isEmpty. Operand 17805 states and 25436 transitions. [2025-02-06 06:33:32,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-02-06 06:33:32,693 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:33:32,694 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:33:32,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 06:33:32,694 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:33:32,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:33:32,695 INFO L85 PathProgramCache]: Analyzing trace with hash 600494053, now seen corresponding path program 1 times [2025-02-06 06:33:32,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:33:32,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742991555] [2025-02-06 06:33:32,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:33:32,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:33:33,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-02-06 06:33:34,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-02-06 06:33:34,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:33:34,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:33:34,994 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2025-02-06 06:33:34,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:33:34,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742991555] [2025-02-06 06:33:34,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742991555] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 06:33:34,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922803093] [2025-02-06 06:33:34,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:33:34,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 06:33:34,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 06:33:34,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 06:33:35,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 06:33:36,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-02-06 06:33:38,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-02-06 06:33:38,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:33:38,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:33:39,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 5399 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 06:33:39,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 06:33:39,254 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 06:33:39,254 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 06:33:39,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922803093] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:33:39,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 06:33:39,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2025-02-06 06:33:39,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693461930] [2025-02-06 06:33:39,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:33:39,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 06:33:39,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:33:39,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 06:33:39,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 06:33:39,256 INFO L87 Difference]: Start difference. First operand 17805 states and 25436 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2025-02-06 06:33:40,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:33:40,451 INFO L93 Difference]: Finished difference Result 35600 states and 50860 transitions. [2025-02-06 06:33:40,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 06:33:40,452 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 197 [2025-02-06 06:33:40,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:33:40,569 INFO L225 Difference]: With dead ends: 35600 [2025-02-06 06:33:40,569 INFO L226 Difference]: Without dead ends: 17806 [2025-02-06 06:33:40,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-02-06 06:33:40,640 INFO L435 NwaCegarLoop]: 1696 mSDtfsCounter, 4 mSDsluCounter, 6768 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 8464 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 06:33:40,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 8464 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 06:33:40,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17806 states. [2025-02-06 06:33:41,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17806 to 17806. [2025-02-06 06:33:41,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17806 states, 12696 states have (on average 1.352788279773157) internal successors, (17175), 13022 states have internal predecessors, (17175), 4141 states have call successors, (4141), 976 states have call predecessors, (4141), 968 states have return successors, (4121), 4063 states have call predecessors, (4121), 4121 states have call successors, (4121) [2025-02-06 06:33:41,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17806 states to 17806 states and 25437 transitions. [2025-02-06 06:33:41,439 INFO L78 Accepts]: Start accepts. Automaton has 17806 states and 25437 transitions. Word has length 197 [2025-02-06 06:33:41,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:33:41,440 INFO L471 AbstractCegarLoop]: Abstraction has 17806 states and 25437 transitions. [2025-02-06 06:33:41,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2025-02-06 06:33:41,440 INFO L276 IsEmpty]: Start isEmpty. Operand 17806 states and 25437 transitions. [2025-02-06 06:33:41,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-02-06 06:33:41,444 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:33:41,444 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:33:41,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 06:33:41,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 06:33:41,645 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:33:41,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:33:41,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1708866332, now seen corresponding path program 1 times [2025-02-06 06:33:41,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:33:41,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107428287] [2025-02-06 06:33:41,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:33:41,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:33:42,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-02-06 06:33:43,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-02-06 06:33:43,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:33:43,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:33:43,995 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2025-02-06 06:33:43,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:33:43,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107428287] [2025-02-06 06:33:43,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107428287] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 06:33:43,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722392881] [2025-02-06 06:33:43,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:33:43,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 06:33:43,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 06:33:43,997 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 06:33:44,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 06:33:45,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-02-06 06:33:49,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-02-06 06:33:49,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:33:49,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:33:49,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 5474 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-06 06:33:49,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 06:33:49,529 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2025-02-06 06:33:49,534 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 06:33:50,689 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2025-02-06 06:33:50,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722392881] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 06:33:50,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 06:33:50,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-02-06 06:33:50,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776612116] [2025-02-06 06:33:50,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 06:33:50,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 06:33:50,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:33:50,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 06:33:50,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-02-06 06:33:50,691 INFO L87 Difference]: Start difference. First operand 17806 states and 25437 transitions. Second operand has 13 states, 11 states have (on average 8.818181818181818) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-02-06 06:33:52,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:33:52,183 INFO L93 Difference]: Finished difference Result 35613 states and 50875 transitions. [2025-02-06 06:33:52,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 06:33:52,188 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 8.818181818181818) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 202 [2025-02-06 06:33:52,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:33:52,334 INFO L225 Difference]: With dead ends: 35613 [2025-02-06 06:33:52,334 INFO L226 Difference]: Without dead ends: 17818 [2025-02-06 06:33:52,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2025-02-06 06:33:52,378 INFO L435 NwaCegarLoop]: 1698 mSDtfsCounter, 11 mSDsluCounter, 11860 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 13558 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-06 06:33:52,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 13558 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-06 06:33:52,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17818 states. [2025-02-06 06:33:52,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17818 to 17818. [2025-02-06 06:33:52,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17818 states, 12705 states have (on average 1.3526170798898072) internal successors, (17185), 13031 states have internal predecessors, (17185), 4142 states have call successors, (4142), 978 states have call predecessors, (4142), 970 states have return successors, (4122), 4064 states have call predecessors, (4122), 4122 states have call successors, (4122) [2025-02-06 06:33:53,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17818 states to 17818 states and 25449 transitions. [2025-02-06 06:33:53,135 INFO L78 Accepts]: Start accepts. Automaton has 17818 states and 25449 transitions. Word has length 202 [2025-02-06 06:33:53,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:33:53,136 INFO L471 AbstractCegarLoop]: Abstraction has 17818 states and 25449 transitions. [2025-02-06 06:33:53,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 8.818181818181818) internal successors, (97), 13 states have internal predecessors, (97), 4 states have call successors, (30), 2 states have call predecessors, (30), 6 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-02-06 06:33:53,136 INFO L276 IsEmpty]: Start isEmpty. Operand 17818 states and 25449 transitions. [2025-02-06 06:33:53,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2025-02-06 06:33:53,138 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:33:53,139 INFO L218 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:33:53,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 06:33:53,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 06:33:53,340 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:33:53,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:33:53,343 INFO L85 PathProgramCache]: Analyzing trace with hash -2034525627, now seen corresponding path program 2 times [2025-02-06 06:33:53,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:33:53,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938946118] [2025-02-06 06:33:53,343 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 06:33:53,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:33:54,705 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 207 statements into 2 equivalence classes. [2025-02-06 06:33:55,164 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 73 of 207 statements. [2025-02-06 06:33:55,164 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 06:33:55,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:33:57,846 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2025-02-06 06:33:57,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:33:57,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938946118] [2025-02-06 06:33:57,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938946118] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:33:57,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:33:57,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-02-06 06:33:57,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371902169] [2025-02-06 06:33:57,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:33:57,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 06:33:57,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:33:57,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 06:33:57,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2025-02-06 06:33:57,856 INFO L87 Difference]: Start difference. First operand 17818 states and 25449 transitions. Second operand has 13 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 4 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2025-02-06 06:34:00,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:34:00,759 INFO L93 Difference]: Finished difference Result 48905 states and 69922 transitions. [2025-02-06 06:34:00,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-06 06:34:00,759 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 4 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) Word has length 207 [2025-02-06 06:34:00,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:34:01,122 INFO L225 Difference]: With dead ends: 48905 [2025-02-06 06:34:01,123 INFO L226 Difference]: Without dead ends: 31134 [2025-02-06 06:34:01,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2025-02-06 06:34:01,234 INFO L435 NwaCegarLoop]: 1688 mSDtfsCounter, 1726 mSDsluCounter, 18488 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1734 SdHoareTripleChecker+Valid, 20176 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-02-06 06:34:01,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1734 Valid, 20176 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-02-06 06:34:01,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31134 states. [2025-02-06 06:34:02,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31134 to 30940. [2025-02-06 06:34:02,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30940 states, 22062 states have (on average 1.353594415737467) internal successors, (29863), 22635 states have internal predecessors, (29863), 7185 states have call successors, (7185), 1688 states have call predecessors, (7185), 1692 states have return successors, (7221), 7064 states have call predecessors, (7221), 7165 states have call successors, (7221) [2025-02-06 06:34:02,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30940 states to 30940 states and 44269 transitions. [2025-02-06 06:34:02,839 INFO L78 Accepts]: Start accepts. Automaton has 30940 states and 44269 transitions. Word has length 207 [2025-02-06 06:34:02,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:34:02,840 INFO L471 AbstractCegarLoop]: Abstraction has 30940 states and 44269 transitions. [2025-02-06 06:34:02,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 4 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2025-02-06 06:34:02,840 INFO L276 IsEmpty]: Start isEmpty. Operand 30940 states and 44269 transitions. [2025-02-06 06:34:02,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2025-02-06 06:34:02,844 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:34:02,845 INFO L218 NwaCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:34:02,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 06:34:02,845 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:34:02,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:34:02,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1617308161, now seen corresponding path program 1 times [2025-02-06 06:34:02,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:34:02,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156024026] [2025-02-06 06:34:02,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:34:02,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:34:04,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 226 statements into 1 equivalence classes. [2025-02-06 06:34:04,409 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 226 of 226 statements. [2025-02-06 06:34:04,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:34:04,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:34:04,890 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2025-02-06 06:34:04,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:34:04,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156024026] [2025-02-06 06:34:04,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156024026] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:34:04,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:34:04,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:34:04,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426427755] [2025-02-06 06:34:04,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:34:04,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:34:04,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:34:04,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:34:04,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:34:04,893 INFO L87 Difference]: Start difference. First operand 30940 states and 44269 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-02-06 06:34:08,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 06:34:09,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:34:09,801 INFO L93 Difference]: Finished difference Result 61840 states and 88486 transitions. [2025-02-06 06:34:09,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:34:09,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 226 [2025-02-06 06:34:09,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:34:10,023 INFO L225 Difference]: With dead ends: 61840 [2025-02-06 06:34:10,023 INFO L226 Difference]: Without dead ends: 30947 [2025-02-06 06:34:10,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:34:10,082 INFO L435 NwaCegarLoop]: 3094 mSDtfsCounter, 1621 mSDsluCounter, 1693 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1621 SdHoareTripleChecker+Valid, 4787 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2025-02-06 06:34:10,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1621 Valid, 4787 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2025-02-06 06:34:10,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30947 states. [2025-02-06 06:34:11,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30947 to 30921. [2025-02-06 06:34:11,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30921 states, 22043 states have (on average 1.3531733430113868) internal successors, (29828), 22618 states have internal predecessors, (29828), 7185 states have call successors, (7185), 1688 states have call predecessors, (7185), 1692 states have return successors, (7221), 7062 states have call predecessors, (7221), 7165 states have call successors, (7221) [2025-02-06 06:34:11,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30921 states to 30921 states and 44234 transitions. [2025-02-06 06:34:11,311 INFO L78 Accepts]: Start accepts. Automaton has 30921 states and 44234 transitions. Word has length 226 [2025-02-06 06:34:11,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:34:11,312 INFO L471 AbstractCegarLoop]: Abstraction has 30921 states and 44234 transitions. [2025-02-06 06:34:11,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-02-06 06:34:11,312 INFO L276 IsEmpty]: Start isEmpty. Operand 30921 states and 44234 transitions. [2025-02-06 06:34:11,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2025-02-06 06:34:11,315 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:34:11,316 INFO L218 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 06:34:11,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 06:34:11,316 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:34:11,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:34:11,316 INFO L85 PathProgramCache]: Analyzing trace with hash -842236663, now seen corresponding path program 1 times [2025-02-06 06:34:11,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:34:11,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255736936] [2025-02-06 06:34:11,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:34:11,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:34:12,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 228 statements into 1 equivalence classes. [2025-02-06 06:34:12,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 228 of 228 statements. [2025-02-06 06:34:12,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:34:12,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:34:13,761 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-02-06 06:34:13,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:34:13,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255736936] [2025-02-06 06:34:13,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255736936] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 06:34:13,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758429528] [2025-02-06 06:34:13,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:34:13,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 06:34:13,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 06:34:13,765 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 06:34:13,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 06:34:15,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 228 statements into 1 equivalence classes.