./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 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-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.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 09c104d62ffc45fecdd321fcd218065640bd0081501b6da04b741d2fcf55e306 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 18:29:36,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 18:29:36,490 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 18:29:36,497 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 18:29:36,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 18:29:36,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 18:29:36,524 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 18:29:36,525 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 18:29:36,525 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 18:29:36,525 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 18:29:36,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 18:29:36,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 18:29:36,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 18:29:36,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 18:29:36,526 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 18:29:36,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 18:29:36,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 18:29:36,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 18:29:36,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 18:29:36,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 18:29:36,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 18:29:36,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 18:29:36,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 18:29:36,528 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 18:29:36,528 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 18:29:36,528 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 18:29:36,528 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:29:36,528 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:29:36,528 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:29:36,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:29:36,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 18:29:36,528 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:29:36,528 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:29:36,528 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:29:36,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:29:36,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 18:29:36,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 18:29:36,529 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 18:29:36,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 18:29:36,529 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 18:29:36,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 18:29:36,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 18:29:36,529 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 18:29:36,529 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 18:29:36,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 18:29:36,529 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 -> 09c104d62ffc45fecdd321fcd218065640bd0081501b6da04b741d2fcf55e306 [2025-01-09 18:29:36,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 18:29:36,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 18:29:36,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 18:29:36,772 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 18:29:36,773 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 18:29:36,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2025-01-09 18:29:37,976 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7b8a283a6/967686a08d4742f7adb45263a07bbcfb/FLAG143248cff [2025-01-09 18:29:38,385 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 18:29:38,386 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2025-01-09 18:29:38,423 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7b8a283a6/967686a08d4742f7adb45263a07bbcfb/FLAG143248cff [2025-01-09 18:29:38,439 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7b8a283a6/967686a08d4742f7adb45263a07bbcfb [2025-01-09 18:29:38,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 18:29:38,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 18:29:38,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 18:29:38,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 18:29:38,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 18:29:38,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:29:38" (1/1) ... [2025-01-09 18:29:38,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b74d76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:29:38, skipping insertion in model container [2025-01-09 18:29:38,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:29:38" (1/1) ... [2025-01-09 18:29:38,522 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 18:29:39,347 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-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[161372,161385] [2025-01-09 18:29:39,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:29:39,878 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 18:29:39,964 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-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[161372,161385] [2025-01-09 18:29:40,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/net/--X--defaultlinux-3.16-rc1.tar.xz--X--205_9a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/998/dscv_tempdir/dscv/ri/205_9a/drivers/net/phy/dp83640.o.c.prepared"), "i" (952), "i" (12UL)); [6659-6660] [2025-01-09 18:29:40,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:29:40,149 INFO L204 MainTranslator]: Completed translation [2025-01-09 18:29:40,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:29:40 WrapperNode [2025-01-09 18:29:40,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 18:29:40,151 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 18:29:40,151 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 18:29:40,151 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 18:29:40,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:29:40" (1/1) ... [2025-01-09 18:29:40,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:29:40" (1/1) ... [2025-01-09 18:29:40,272 INFO L138 Inliner]: procedures = 187, calls = 879, calls flagged for inlining = 75, calls inlined = 64, statements flattened = 2377 [2025-01-09 18:29:40,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 18:29:40,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 18:29:40,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 18:29:40,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 18:29:40,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:29:40" (1/1) ... [2025-01-09 18:29:40,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:29:40" (1/1) ... [2025-01-09 18:29:40,302 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:29:40" (1/1) ... [2025-01-09 18:29:40,558 INFO L175 MemorySlicer]: Split 387 memory accesses to 16 slices as follows [2, 2, 6, 41, 3, 2, 245, 2, 16, 5, 6, 14, 6, 20, 15, 2]. 63 percent of accesses are in the largest equivalence class. The 55 initializations are split as follows [2, 0, 6, 0, 0, 0, 2, 0, 16, 0, 0, 0, 6, 15, 8, 0]. The 172 writes are split as follows [0, 1, 0, 41, 3, 2, 107, 1, 0, 0, 2, 12, 0, 2, 0, 1]. [2025-01-09 18:29:40,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:29:40" (1/1) ... [2025-01-09 18:29:40,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:29:40" (1/1) ... [2025-01-09 18:29:40,632 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:29:40" (1/1) ... [2025-01-09 18:29:40,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:29:40" (1/1) ... [2025-01-09 18:29:40,647 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:29:40" (1/1) ... [2025-01-09 18:29:40,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:29:40" (1/1) ... [2025-01-09 18:29:40,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:29:40" (1/1) ... [2025-01-09 18:29:40,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 18:29:40,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 18:29:40,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 18:29:40,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 18:29:40,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:29:40" (1/1) ... [2025-01-09 18:29:40,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:29:40,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:29:40,728 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) [2025-01-09 18:29:40,730 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 [2025-01-09 18:29:40,746 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2025-01-09 18:29:40,746 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2025-01-09 18:29:40,747 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-01-09 18:29:40,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-01-09 18:29:40,747 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2025-01-09 18:29:40,747 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2025-01-09 18:29:40,747 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2025-01-09 18:29:40,747 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2025-01-09 18:29:40,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 18:29:40,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 18:29:40,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 18:29:40,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 18:29:40,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 18:29:40,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 18:29:40,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 18:29:40,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 18:29:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 18:29:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 18:29:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 18:29:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 18:29:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 18:29:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 18:29:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 18:29:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 18:29:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-01-09 18:29:40,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-01-09 18:29:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2025-01-09 18:29:40,748 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2025-01-09 18:29:40,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 18:29:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 18:29:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 18:29:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 18:29:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 18:29:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 18:29:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 18:29:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 18:29:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 18:29:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 18:29:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 18:29:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 18:29:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 18:29:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 18:29:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-01-09 18:29:40,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 18:29:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2025-01-09 18:29:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2025-01-09 18:29:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2025-01-09 18:29:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2025-01-09 18:29:40,750 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2025-01-09 18:29:40,750 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2025-01-09 18:29:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 18:29:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 18:29:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2025-01-09 18:29:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2025-01-09 18:29:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2025-01-09 18:29:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2025-01-09 18:29:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2025-01-09 18:29:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2025-01-09 18:29:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2025-01-09 18:29:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2025-01-09 18:29:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2025-01-09 18:29:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2025-01-09 18:29:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-01-09 18:29:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-01-09 18:29:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2025-01-09 18:29:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2025-01-09 18:29:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2025-01-09 18:29:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2025-01-09 18:29:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2025-01-09 18:29:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2025-01-09 18:29:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2025-01-09 18:29:40,751 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2025-01-09 18:29:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 18:29:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 18:29:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 18:29:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 18:29:40,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 18:29:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 18:29:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 18:29:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 18:29:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 18:29:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 18:29:40,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 18:29:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 18:29:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 18:29:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 18:29:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 18:29:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 18:29:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-01-09 18:29:40,753 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-01-09 18:29:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-01-09 18:29:40,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-01-09 18:29:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2025-01-09 18:29:40,753 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2025-01-09 18:29:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2025-01-09 18:29:40,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2025-01-09 18:29:40,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-01-09 18:29:40,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-01-09 18:29:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2025-01-09 18:29:40,754 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2025-01-09 18:29:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 18:29:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 18:29:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 18:29:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 18:29:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 18:29:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 18:29:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-01-09 18:29:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-01-09 18:29:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-01-09 18:29:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-01-09 18:29:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-01-09 18:29:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-01-09 18:29:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-01-09 18:29:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-01-09 18:29:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-01-09 18:29:40,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2025-01-09 18:29:40,755 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 18:29:40,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2025-01-09 18:29:40,756 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2025-01-09 18:29:40,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2025-01-09 18:29:40,756 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-01-09 18:29:40,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2025-01-09 18:29:40,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2025-01-09 18:29:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2025-01-09 18:29:40,757 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2025-01-09 18:29:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-01-09 18:29:40,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-01-09 18:29:40,757 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-01-09 18:29:40,757 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-01-09 18:29:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2025-01-09 18:29:40,758 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2025-01-09 18:29:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2025-01-09 18:29:40,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2025-01-09 18:29:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2025-01-09 18:29:40,758 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2025-01-09 18:29:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2025-01-09 18:29:40,758 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2025-01-09 18:29:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2025-01-09 18:29:40,758 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2025-01-09 18:29:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 18:29:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 18:29:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 18:29:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 18:29:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 18:29:40,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 18:29:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 18:29:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 18:29:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 18:29:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 18:29:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 18:29:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 18:29:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-01-09 18:29:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-01-09 18:29:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-01-09 18:29:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-01-09 18:29:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-01-09 18:29:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2025-01-09 18:29:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2025-01-09 18:29:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2025-01-09 18:29:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2025-01-09 18:29:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 18:29:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 18:29:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2025-01-09 18:29:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2025-01-09 18:29:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2025-01-09 18:29:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2025-01-09 18:29:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2025-01-09 18:29:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2025-01-09 18:29:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2025-01-09 18:29:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-01-09 18:29:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2025-01-09 18:29:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2025-01-09 18:29:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2025-01-09 18:29:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2025-01-09 18:29:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2025-01-09 18:29:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-01-09 18:29:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2025-01-09 18:29:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 18:29:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2025-01-09 18:29:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2025-01-09 18:29:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2025-01-09 18:29:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-01-09 18:29:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-01-09 18:29:41,187 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 18:29:41,189 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 18:29:41,223 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 18:29:47,070 INFO L? ?]: Removed 987 outVars from TransFormulas that were not future-live. [2025-01-09 18:29:47,071 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 18:29:47,107 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 18:29:47,107 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2025-01-09 18:29:47,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:29:47 BoogieIcfgContainer [2025-01-09 18:29:47,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 18:29:47,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 18:29:47,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 18:29:47,114 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 18:29:47,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 06:29:38" (1/3) ... [2025-01-09 18:29:47,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a773b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:29:47, skipping insertion in model container [2025-01-09 18:29:47,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:29:40" (2/3) ... [2025-01-09 18:29:47,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a773b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:29:47, skipping insertion in model container [2025-01-09 18:29:47,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:29:47" (3/3) ... [2025-01-09 18:29:47,115 INFO L128 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2025-01-09 18:29:47,131 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 18:29:47,133 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i that has 80 procedures, 1031 locations, 1 initial locations, 21 loop locations, and 1 error locations. [2025-01-09 18:29:47,207 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 18:29:47,214 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;@2b59e3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 18:29:47,214 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 18:29:47,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 970 states, 697 states have (on average 1.33428981348637) internal successors, (930), 715 states have internal predecessors, (930), 208 states have call successors, (208), 64 states have call predecessors, (208), 63 states have return successors, (205), 203 states have call predecessors, (205), 205 states have call successors, (205) [2025-01-09 18:29:47,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-09 18:29:47,230 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:29:47,231 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 18:29:47,231 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:29:47,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:29:47,234 INFO L85 PathProgramCache]: Analyzing trace with hash 2109514978, now seen corresponding path program 1 times [2025-01-09 18:29:47,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:29:47,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174972597] [2025-01-09 18:29:47,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:29:47,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:29:47,694 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-09 18:29:47,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-09 18:29:47,858 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:29:47,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:29:48,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:29:48,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:29:48,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174972597] [2025-01-09 18:29:48,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174972597] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:29:48,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:29:48,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 18:29:48,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649995951] [2025-01-09 18:29:48,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:29:48,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 18:29:48,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:29:48,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 18:29:48,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:29:48,256 INFO L87 Difference]: Start difference. First operand has 970 states, 697 states have (on average 1.33428981348637) internal successors, (930), 715 states have internal predecessors, (930), 208 states have call successors, (208), 64 states have call predecessors, (208), 63 states have return successors, (205), 203 states have call predecessors, (205), 205 states have call successors, (205) Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 18:29:48,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:29:48,522 INFO L93 Difference]: Finished difference Result 2892 states and 4085 transitions. [2025-01-09 18:29:48,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 18:29:48,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2025-01-09 18:29:48,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:29:48,562 INFO L225 Difference]: With dead ends: 2892 [2025-01-09 18:29:48,562 INFO L226 Difference]: Without dead ends: 1875 [2025-01-09 18:29:48,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-09 18:29:48,583 INFO L435 NwaCegarLoop]: 1321 mSDtfsCounter, 1302 mSDsluCounter, 3947 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1302 SdHoareTripleChecker+Valid, 5268 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:29:48,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1302 Valid, 5268 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:29:48,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2025-01-09 18:29:48,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1872. [2025-01-09 18:29:48,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1872 states, 1350 states have (on average 1.305925925925926) internal successors, (1763), 1376 states have internal predecessors, (1763), 398 states have call successors, (398), 124 states have call predecessors, (398), 123 states have return successors, (405), 393 states have call predecessors, (405), 397 states have call successors, (405) [2025-01-09 18:29:48,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1872 states and 2566 transitions. [2025-01-09 18:29:48,781 INFO L78 Accepts]: Start accepts. Automaton has 1872 states and 2566 transitions. Word has length 32 [2025-01-09 18:29:48,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:29:48,782 INFO L471 AbstractCegarLoop]: Abstraction has 1872 states and 2566 transitions. [2025-01-09 18:29:48,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 18:29:48,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2566 transitions. [2025-01-09 18:29:48,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-01-09 18:29:48,794 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:29:48,794 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 18:29:48,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 18:29:48,795 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:29:48,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:29:48,795 INFO L85 PathProgramCache]: Analyzing trace with hash -603848049, now seen corresponding path program 1 times [2025-01-09 18:29:48,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:29:48,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572411108] [2025-01-09 18:29:48,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:29:48,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:29:49,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-09 18:29:49,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-09 18:29:49,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:29:49,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:29:49,265 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:29:49,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:29:49,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572411108] [2025-01-09 18:29:49,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572411108] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:29:49,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:29:49,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:29:49,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804816844] [2025-01-09 18:29:49,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:29:49,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:29:49,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:29:49,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:29:49,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:29:49,277 INFO L87 Difference]: Start difference. First operand 1872 states and 2566 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-09 18:29:49,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:29:49,561 INFO L93 Difference]: Finished difference Result 3832 states and 5239 transitions. [2025-01-09 18:29:49,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:29:49,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 75 [2025-01-09 18:29:49,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:29:49,573 INFO L225 Difference]: With dead ends: 3832 [2025-01-09 18:29:49,573 INFO L226 Difference]: Without dead ends: 1968 [2025-01-09 18:29:49,580 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 [2025-01-09 18:29:49,581 INFO L435 NwaCegarLoop]: 1349 mSDtfsCounter, 96 mSDsluCounter, 1235 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 2584 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 18:29:49,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 2584 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 18:29:49,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2025-01-09 18:29:49,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1959. [2025-01-09 18:29:49,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1959 states, 1417 states have (on average 1.3041637261820749) internal successors, (1848), 1444 states have internal predecessors, (1848), 409 states have call successors, (409), 133 states have call predecessors, (409), 132 states have return successors, (416), 403 states have call predecessors, (416), 408 states have call successors, (416) [2025-01-09 18:29:49,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 2673 transitions. [2025-01-09 18:29:49,652 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 2673 transitions. Word has length 75 [2025-01-09 18:29:49,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:29:49,653 INFO L471 AbstractCegarLoop]: Abstraction has 1959 states and 2673 transitions. [2025-01-09 18:29:49,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-09 18:29:49,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 2673 transitions. [2025-01-09 18:29:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-01-09 18:29:49,658 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:29:49,659 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:29:49,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 18:29:49,659 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:29:49,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:29:49,660 INFO L85 PathProgramCache]: Analyzing trace with hash 798734504, now seen corresponding path program 1 times [2025-01-09 18:29:49,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:29:49,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725158597] [2025-01-09 18:29:49,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:29:49,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:29:49,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-01-09 18:29:49,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-01-09 18:29:49,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:29:49,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:29:50,128 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-09 18:29:50,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:29:50,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725158597] [2025-01-09 18:29:50,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725158597] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:29:50,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:29:50,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:29:50,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529292551] [2025-01-09 18:29:50,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:29:50,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:29:50,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:29:50,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:29:50,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:29:50,131 INFO L87 Difference]: Start difference. First operand 1959 states and 2673 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 18:29:54,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:29:54,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:29:54,403 INFO L93 Difference]: Finished difference Result 5383 states and 7323 transitions. [2025-01-09 18:29:54,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:29:54,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 99 [2025-01-09 18:29:54,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:29:54,422 INFO L225 Difference]: With dead ends: 5383 [2025-01-09 18:29:54,422 INFO L226 Difference]: Without dead ends: 3453 [2025-01-09 18:29:54,430 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 [2025-01-09 18:29:54,431 INFO L435 NwaCegarLoop]: 1446 mSDtfsCounter, 1180 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 37 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 2496 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-01-09 18:29:54,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 2496 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-01-09 18:29:54,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3453 states. [2025-01-09 18:29:54,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3453 to 3444. [2025-01-09 18:29:54,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3444 states, 2516 states have (on average 1.2957074721780604) internal successors, (3260), 2556 states have internal predecessors, (3260), 682 states have call successors, (682), 246 states have call predecessors, (682), 245 states have return successors, (692), 671 states have call predecessors, (692), 681 states have call successors, (692) [2025-01-09 18:29:54,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3444 states to 3444 states and 4634 transitions. [2025-01-09 18:29:54,542 INFO L78 Accepts]: Start accepts. Automaton has 3444 states and 4634 transitions. Word has length 99 [2025-01-09 18:29:54,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:29:54,543 INFO L471 AbstractCegarLoop]: Abstraction has 3444 states and 4634 transitions. [2025-01-09 18:29:54,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 18:29:54,543 INFO L276 IsEmpty]: Start isEmpty. Operand 3444 states and 4634 transitions. [2025-01-09 18:29:54,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-01-09 18:29:54,549 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:29:54,549 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:29:54,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 18:29:54,550 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:29:54,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:29:54,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1997660498, now seen corresponding path program 1 times [2025-01-09 18:29:54,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:29:54,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865833366] [2025-01-09 18:29:54,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:29:54,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:29:54,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-01-09 18:29:54,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-01-09 18:29:54,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:29:54,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:29:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-01-09 18:29:55,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:29:55,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865833366] [2025-01-09 18:29:55,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865833366] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:29:55,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:29:55,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:29:55,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576729715] [2025-01-09 18:29:55,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:29:55,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:29:55,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:29:55,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:29:55,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:29:55,049 INFO L87 Difference]: Start difference. First operand 3444 states and 4634 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2025-01-09 18:29:55,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:29:55,130 INFO L93 Difference]: Finished difference Result 5199 states and 7008 transitions. [2025-01-09 18:29:55,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:29:55,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 99 [2025-01-09 18:29:55,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:29:55,152 INFO L225 Difference]: With dead ends: 5199 [2025-01-09 18:29:55,152 INFO L226 Difference]: Without dead ends: 3448 [2025-01-09 18:29:55,160 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 [2025-01-09 18:29:55,162 INFO L435 NwaCegarLoop]: 1304 mSDtfsCounter, 3 mSDsluCounter, 1297 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2601 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:29:55,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2601 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:29:55,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3448 states. [2025-01-09 18:29:55,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3448 to 3448. [2025-01-09 18:29:55,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3448 states, 2520 states have (on average 1.2952380952380953) internal successors, (3264), 2560 states have internal predecessors, (3264), 682 states have call successors, (682), 246 states have call predecessors, (682), 245 states have return successors, (692), 671 states have call predecessors, (692), 681 states have call successors, (692) [2025-01-09 18:29:55,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3448 states to 3448 states and 4638 transitions. [2025-01-09 18:29:55,323 INFO L78 Accepts]: Start accepts. Automaton has 3448 states and 4638 transitions. Word has length 99 [2025-01-09 18:29:55,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:29:55,324 INFO L471 AbstractCegarLoop]: Abstraction has 3448 states and 4638 transitions. [2025-01-09 18:29:55,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2025-01-09 18:29:55,324 INFO L276 IsEmpty]: Start isEmpty. Operand 3448 states and 4638 transitions. [2025-01-09 18:29:55,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-01-09 18:29:55,328 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:29:55,328 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:29:55,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 18:29:55,329 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:29:55,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:29:55,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1566566925, now seen corresponding path program 1 times [2025-01-09 18:29:55,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:29:55,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100815687] [2025-01-09 18:29:55,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:29:55,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:29:55,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-01-09 18:29:55,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-01-09 18:29:55,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:29:55,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:29:56,139 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-01-09 18:29:56,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:29:56,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100815687] [2025-01-09 18:29:56,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100815687] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:29:56,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:29:56,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 18:29:56,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357709891] [2025-01-09 18:29:56,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:29:56,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 18:29:56,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:29:56,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 18:29:56,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-01-09 18:29:56,141 INFO L87 Difference]: Start difference. First operand 3448 states and 4638 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 18:30:00,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:30:04,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:30:09,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:09,699 INFO L93 Difference]: Finished difference Result 7663 states and 10355 transitions. [2025-01-09 18:30:09,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-09 18:30:09,700 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) Word has length 101 [2025-01-09 18:30:09,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:09,717 INFO L225 Difference]: With dead ends: 7663 [2025-01-09 18:30:09,718 INFO L226 Difference]: Without dead ends: 4244 [2025-01-09 18:30:09,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2025-01-09 18:30:09,726 INFO L435 NwaCegarLoop]: 648 mSDtfsCounter, 4244 mSDsluCounter, 1698 mSDsCounter, 0 mSdLazyCounter, 4049 mSolverCounterSat, 1520 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4480 SdHoareTripleChecker+Valid, 2346 SdHoareTripleChecker+Invalid, 5571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1520 IncrementalHoareTripleChecker+Valid, 4049 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:09,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4480 Valid, 2346 Invalid, 5571 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1520 Valid, 4049 Invalid, 2 Unknown, 0 Unchecked, 13.2s Time] [2025-01-09 18:30:09,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4244 states. [2025-01-09 18:30:09,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4244 to 4198. [2025-01-09 18:30:09,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4198 states, 3084 states have (on average 1.298313878080415) internal successors, (4004), 3138 states have internal predecessors, (4004), 818 states have call successors, (818), 290 states have call predecessors, (818), 295 states have return successors, (843), 807 states have call predecessors, (843), 817 states have call successors, (843) [2025-01-09 18:30:09,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4198 states to 4198 states and 5665 transitions. [2025-01-09 18:30:09,913 INFO L78 Accepts]: Start accepts. Automaton has 4198 states and 5665 transitions. Word has length 101 [2025-01-09 18:30:09,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:09,918 INFO L471 AbstractCegarLoop]: Abstraction has 4198 states and 5665 transitions. [2025-01-09 18:30:09,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-09 18:30:09,918 INFO L276 IsEmpty]: Start isEmpty. Operand 4198 states and 5665 transitions. [2025-01-09 18:30:09,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-01-09 18:30:09,930 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:09,931 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:09,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 18:30:09,931 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:09,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:09,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1236870304, now seen corresponding path program 1 times [2025-01-09 18:30:09,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:09,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136658729] [2025-01-09 18:30:09,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:09,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:10,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-01-09 18:30:10,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-01-09 18:30:10,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:10,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:10,673 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-01-09 18:30:10,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:10,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136658729] [2025-01-09 18:30:10,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136658729] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:30:10,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:30:10,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 18:30:10,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834253316] [2025-01-09 18:30:10,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:30:10,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 18:30:10,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:10,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 18:30:10,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:30:10,675 INFO L87 Difference]: Start difference. First operand 4198 states and 5665 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 18:30:10,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:10,769 INFO L93 Difference]: Finished difference Result 8393 states and 11379 transitions. [2025-01-09 18:30:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 18:30:10,770 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 129 [2025-01-09 18:30:10,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:10,791 INFO L225 Difference]: With dead ends: 8393 [2025-01-09 18:30:10,791 INFO L226 Difference]: Without dead ends: 4224 [2025-01-09 18:30:10,804 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:30:10,805 INFO L435 NwaCegarLoop]: 1303 mSDtfsCounter, 0 mSDsluCounter, 3904 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5207 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:10,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5207 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:30:10,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4224 states. [2025-01-09 18:30:10,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4224 to 4222. [2025-01-09 18:30:10,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4222 states, 3102 states have (on average 1.2965828497743392) internal successors, (4022), 3156 states have internal predecessors, (4022), 818 states have call successors, (818), 290 states have call predecessors, (818), 301 states have return successors, (853), 813 states have call predecessors, (853), 817 states have call successors, (853) [2025-01-09 18:30:11,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4222 states to 4222 states and 5693 transitions. [2025-01-09 18:30:11,043 INFO L78 Accepts]: Start accepts. Automaton has 4222 states and 5693 transitions. Word has length 129 [2025-01-09 18:30:11,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:11,048 INFO L471 AbstractCegarLoop]: Abstraction has 4222 states and 5693 transitions. [2025-01-09 18:30:11,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2025-01-09 18:30:11,048 INFO L276 IsEmpty]: Start isEmpty. Operand 4222 states and 5693 transitions. [2025-01-09 18:30:11,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-01-09 18:30:11,056 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:11,056 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:11,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 18:30:11,056 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:11,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:11,057 INFO L85 PathProgramCache]: Analyzing trace with hash 119713219, now seen corresponding path program 1 times [2025-01-09 18:30:11,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:11,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016505705] [2025-01-09 18:30:11,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:11,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:11,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-01-09 18:30:11,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-01-09 18:30:11,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:11,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:11,525 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-01-09 18:30:11,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:11,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016505705] [2025-01-09 18:30:11,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016505705] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:30:11,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:30:11,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:30:11,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910414206] [2025-01-09 18:30:11,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:30:11,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:30:11,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:11,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:30:11,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:30:11,527 INFO L87 Difference]: Start difference. First operand 4222 states and 5693 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2025-01-09 18:30:15,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:30:15,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:15,676 INFO L93 Difference]: Finished difference Result 8404 states and 11337 transitions. [2025-01-09 18:30:15,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:30:15,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 150 [2025-01-09 18:30:15,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:15,698 INFO L225 Difference]: With dead ends: 8404 [2025-01-09 18:30:15,698 INFO L226 Difference]: Without dead ends: 4198 [2025-01-09 18:30:15,710 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 [2025-01-09 18:30:15,711 INFO L435 NwaCegarLoop]: 1340 mSDtfsCounter, 1257 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1257 SdHoareTripleChecker+Valid, 1393 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:15,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1257 Valid, 1393 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-01-09 18:30:15,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4198 states. [2025-01-09 18:30:15,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4198 to 4198. [2025-01-09 18:30:15,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4198 states, 3080 states have (on average 1.2925324675324674) internal successors, (3981), 3134 states have internal predecessors, (3981), 816 states have call successors, (816), 290 states have call predecessors, (816), 301 states have return successors, (849), 811 states have call predecessors, (849), 815 states have call successors, (849) [2025-01-09 18:30:15,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4198 states to 4198 states and 5646 transitions. [2025-01-09 18:30:15,958 INFO L78 Accepts]: Start accepts. Automaton has 4198 states and 5646 transitions. Word has length 150 [2025-01-09 18:30:15,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:15,959 INFO L471 AbstractCegarLoop]: Abstraction has 4198 states and 5646 transitions. [2025-01-09 18:30:15,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2025-01-09 18:30:15,963 INFO L276 IsEmpty]: Start isEmpty. Operand 4198 states and 5646 transitions. [2025-01-09 18:30:15,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-01-09 18:30:15,975 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:15,976 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:15,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 18:30:15,976 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:15,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:15,977 INFO L85 PathProgramCache]: Analyzing trace with hash -820274798, now seen corresponding path program 1 times [2025-01-09 18:30:15,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:15,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945673791] [2025-01-09 18:30:15,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:15,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:16,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-01-09 18:30:16,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-01-09 18:30:16,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:16,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:16,917 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-09 18:30:16,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:16,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945673791] [2025-01-09 18:30:16,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945673791] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:30:16,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892992981] [2025-01-09 18:30:16,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:16,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:30:16,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:30:16,921 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) [2025-01-09 18:30:16,924 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 [2025-01-09 18:30:17,666 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-01-09 18:30:17,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-01-09 18:30:17,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:17,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:17,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 1778 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-09 18:30:17,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:30:18,162 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-09 18:30:18,162 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 18:30:18,779 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-09 18:30:18,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892992981] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-09 18:30:18,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-01-09 18:30:18,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 8] total 21 [2025-01-09 18:30:18,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750273916] [2025-01-09 18:30:18,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:30:18,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 18:30:18,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:18,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 18:30:18,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2025-01-09 18:30:18,782 INFO L87 Difference]: Start difference. First operand 4198 states and 5646 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2025-01-09 18:30:22,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:30:26,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:30:30,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:30:36,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:36,454 INFO L93 Difference]: Finished difference Result 9656 states and 13260 transitions. [2025-01-09 18:30:36,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-09 18:30:36,455 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) Word has length 158 [2025-01-09 18:30:36,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:36,503 INFO L225 Difference]: With dead ends: 9656 [2025-01-09 18:30:36,503 INFO L226 Difference]: Without dead ends: 7148 [2025-01-09 18:30:36,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 309 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2025-01-09 18:30:36,513 INFO L435 NwaCegarLoop]: 1122 mSDtfsCounter, 4867 mSDsluCounter, 2512 mSDsCounter, 0 mSdLazyCounter, 5455 mSolverCounterSat, 1816 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5004 SdHoareTripleChecker+Valid, 3634 SdHoareTripleChecker+Invalid, 7274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1816 IncrementalHoareTripleChecker+Valid, 5455 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:36,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5004 Valid, 3634 Invalid, 7274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1816 Valid, 5455 Invalid, 3 Unknown, 0 Unchecked, 17.2s Time] [2025-01-09 18:30:36,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7148 states. [2025-01-09 18:30:36,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7148 to 6118. [2025-01-09 18:30:36,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6118 states, 4478 states have (on average 1.2932112550245645) internal successors, (5791), 4567 states have internal predecessors, (5791), 1197 states have call successors, (1197), 409 states have call predecessors, (1197), 442 states have return successors, (1289), 1196 states have call predecessors, (1289), 1196 states have call successors, (1289) [2025-01-09 18:30:36,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6118 states to 6118 states and 8277 transitions. [2025-01-09 18:30:36,822 INFO L78 Accepts]: Start accepts. Automaton has 6118 states and 8277 transitions. Word has length 158 [2025-01-09 18:30:36,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:36,822 INFO L471 AbstractCegarLoop]: Abstraction has 6118 states and 8277 transitions. [2025-01-09 18:30:36,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2025-01-09 18:30:36,823 INFO L276 IsEmpty]: Start isEmpty. Operand 6118 states and 8277 transitions. [2025-01-09 18:30:36,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-01-09 18:30:36,829 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:36,829 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:36,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 18:30:37,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:30:37,035 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:37,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:37,036 INFO L85 PathProgramCache]: Analyzing trace with hash -466325837, now seen corresponding path program 1 times [2025-01-09 18:30:37,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:37,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430896755] [2025-01-09 18:30:37,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:37,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:37,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-09 18:30:37,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-09 18:30:37,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:37,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:37,416 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-01-09 18:30:37,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:37,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430896755] [2025-01-09 18:30:37,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430896755] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:30:37,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:30:37,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 18:30:37,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382072693] [2025-01-09 18:30:37,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:30:37,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:30:37,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:37,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:30:37,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:30:37,418 INFO L87 Difference]: Start difference. First operand 6118 states and 8277 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 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) [2025-01-09 18:30:37,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:37,617 INFO L93 Difference]: Finished difference Result 10560 states and 14343 transitions. [2025-01-09 18:30:37,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 18:30:37,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 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 160 [2025-01-09 18:30:37,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:37,658 INFO L225 Difference]: With dead ends: 10560 [2025-01-09 18:30:37,658 INFO L226 Difference]: Without dead ends: 6132 [2025-01-09 18:30:37,682 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:30:37,683 INFO L435 NwaCegarLoop]: 1298 mSDtfsCounter, 0 mSDsluCounter, 2590 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3888 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:37,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3888 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:30:37,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6132 states. [2025-01-09 18:30:37,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6132 to 6130. [2025-01-09 18:30:37,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6130 states, 4490 states have (on average 1.2937639198218263) internal successors, (5809), 4579 states have internal predecessors, (5809), 1197 states have call successors, (1197), 409 states have call predecessors, (1197), 442 states have return successors, (1289), 1196 states have call predecessors, (1289), 1196 states have call successors, (1289) [2025-01-09 18:30:37,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6130 states to 6130 states and 8295 transitions. [2025-01-09 18:30:37,865 INFO L78 Accepts]: Start accepts. Automaton has 6130 states and 8295 transitions. Word has length 160 [2025-01-09 18:30:37,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:37,865 INFO L471 AbstractCegarLoop]: Abstraction has 6130 states and 8295 transitions. [2025-01-09 18:30:37,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 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) [2025-01-09 18:30:37,865 INFO L276 IsEmpty]: Start isEmpty. Operand 6130 states and 8295 transitions. [2025-01-09 18:30:37,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-01-09 18:30:37,872 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:37,872 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:37,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-09 18:30:37,873 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:37,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:37,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1205253196, now seen corresponding path program 1 times [2025-01-09 18:30:37,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:37,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259733802] [2025-01-09 18:30:37,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:37,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:38,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-01-09 18:30:38,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-01-09 18:30:38,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:38,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:38,413 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-01-09 18:30:38,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:38,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259733802] [2025-01-09 18:30:38,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259733802] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:30:38,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:30:38,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 18:30:38,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414300416] [2025-01-09 18:30:38,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:30:38,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:30:38,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:38,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:30:38,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:30:38,415 INFO L87 Difference]: Start difference. First operand 6130 states and 8295 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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) [2025-01-09 18:30:38,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:38,627 INFO L93 Difference]: Finished difference Result 12264 states and 16650 transitions. [2025-01-09 18:30:38,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 18:30:38,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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 161 [2025-01-09 18:30:38,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:38,655 INFO L225 Difference]: With dead ends: 12264 [2025-01-09 18:30:38,655 INFO L226 Difference]: Without dead ends: 6186 [2025-01-09 18:30:38,672 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:30:38,673 INFO L435 NwaCegarLoop]: 1300 mSDtfsCounter, 1 mSDsluCounter, 2584 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3884 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:38,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3884 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:30:38,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6186 states. [2025-01-09 18:30:38,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6186 to 6178. [2025-01-09 18:30:38,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6178 states, 4538 states have (on average 1.2906566769501984) internal successors, (5857), 4627 states have internal predecessors, (5857), 1197 states have call successors, (1197), 409 states have call predecessors, (1197), 442 states have return successors, (1289), 1196 states have call predecessors, (1289), 1196 states have call successors, (1289) [2025-01-09 18:30:38,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6178 states to 6178 states and 8343 transitions. [2025-01-09 18:30:38,952 INFO L78 Accepts]: Start accepts. Automaton has 6178 states and 8343 transitions. Word has length 161 [2025-01-09 18:30:38,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:38,953 INFO L471 AbstractCegarLoop]: Abstraction has 6178 states and 8343 transitions. [2025-01-09 18:30:38,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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) [2025-01-09 18:30:38,953 INFO L276 IsEmpty]: Start isEmpty. Operand 6178 states and 8343 transitions. [2025-01-09 18:30:38,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-01-09 18:30:38,962 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:38,962 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:38,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-09 18:30:38,962 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:38,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:38,963 INFO L85 PathProgramCache]: Analyzing trace with hash -712470759, now seen corresponding path program 1 times [2025-01-09 18:30:38,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:38,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305770734] [2025-01-09 18:30:38,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:38,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:39,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-01-09 18:30:39,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-01-09 18:30:39,223 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:39,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:39,482 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-01-09 18:30:39,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:39,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305770734] [2025-01-09 18:30:39,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305770734] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:30:39,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:30:39,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 18:30:39,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025757276] [2025-01-09 18:30:39,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:30:39,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:30:39,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:39,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:30:39,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:30:39,485 INFO L87 Difference]: Start difference. First operand 6178 states and 8343 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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) [2025-01-09 18:30:39,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:39,813 INFO L93 Difference]: Finished difference Result 12360 states and 16746 transitions. [2025-01-09 18:30:39,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 18:30:39,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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 162 [2025-01-09 18:30:39,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:39,845 INFO L225 Difference]: With dead ends: 12360 [2025-01-09 18:30:39,845 INFO L226 Difference]: Without dead ends: 6234 [2025-01-09 18:30:39,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:30:39,864 INFO L435 NwaCegarLoop]: 1304 mSDtfsCounter, 1 mSDsluCounter, 2587 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3891 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:39,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3891 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:30:39,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6234 states. [2025-01-09 18:30:40,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6234 to 6178. [2025-01-09 18:30:40,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6178 states, 4538 states have (on average 1.2906566769501984) internal successors, (5857), 4627 states have internal predecessors, (5857), 1197 states have call successors, (1197), 409 states have call predecessors, (1197), 442 states have return successors, (1289), 1196 states have call predecessors, (1289), 1196 states have call successors, (1289) [2025-01-09 18:30:40,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6178 states to 6178 states and 8343 transitions. [2025-01-09 18:30:40,214 INFO L78 Accepts]: Start accepts. Automaton has 6178 states and 8343 transitions. Word has length 162 [2025-01-09 18:30:40,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:40,216 INFO L471 AbstractCegarLoop]: Abstraction has 6178 states and 8343 transitions. [2025-01-09 18:30:40,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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) [2025-01-09 18:30:40,217 INFO L276 IsEmpty]: Start isEmpty. Operand 6178 states and 8343 transitions. [2025-01-09 18:30:40,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-01-09 18:30:40,226 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:40,226 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:40,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-09 18:30:40,226 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:40,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:40,227 INFO L85 PathProgramCache]: Analyzing trace with hash -589006569, now seen corresponding path program 1 times [2025-01-09 18:30:40,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:40,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208420927] [2025-01-09 18:30:40,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:40,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:40,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-01-09 18:30:40,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-01-09 18:30:40,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:40,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:40,979 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-09 18:30:40,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:40,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208420927] [2025-01-09 18:30:40,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208420927] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:30:40,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:30:40,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 18:30:40,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727012646] [2025-01-09 18:30:40,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:30:40,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:30:40,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:40,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:30:40,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:30:40,980 INFO L87 Difference]: Start difference. First operand 6178 states and 8343 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 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) [2025-01-09 18:30:41,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:41,173 INFO L93 Difference]: Finished difference Result 12316 states and 16666 transitions. [2025-01-09 18:30:41,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 18:30:41,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 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 163 [2025-01-09 18:30:41,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:41,203 INFO L225 Difference]: With dead ends: 12316 [2025-01-09 18:30:41,203 INFO L226 Difference]: Without dead ends: 6190 [2025-01-09 18:30:41,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:30:41,219 INFO L435 NwaCegarLoop]: 1302 mSDtfsCounter, 0 mSDsluCounter, 2598 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3900 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:41,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3900 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:30:41,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6190 states. [2025-01-09 18:30:41,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6190 to 6190. [2025-01-09 18:30:41,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6190 states, 4550 states have (on average 1.2898901098901099) internal successors, (5869), 4639 states have internal predecessors, (5869), 1197 states have call successors, (1197), 409 states have call predecessors, (1197), 442 states have return successors, (1289), 1196 states have call predecessors, (1289), 1196 states have call successors, (1289) [2025-01-09 18:30:41,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6190 states to 6190 states and 8355 transitions. [2025-01-09 18:30:41,437 INFO L78 Accepts]: Start accepts. Automaton has 6190 states and 8355 transitions. Word has length 163 [2025-01-09 18:30:41,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:41,437 INFO L471 AbstractCegarLoop]: Abstraction has 6190 states and 8355 transitions. [2025-01-09 18:30:41,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 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) [2025-01-09 18:30:41,438 INFO L276 IsEmpty]: Start isEmpty. Operand 6190 states and 8355 transitions. [2025-01-09 18:30:41,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2025-01-09 18:30:41,446 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:41,446 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:41,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-09 18:30:41,446 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:41,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:41,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1205771128, now seen corresponding path program 1 times [2025-01-09 18:30:41,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:41,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093164373] [2025-01-09 18:30:41,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:41,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:41,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-01-09 18:30:41,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-01-09 18:30:41,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:41,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:43,547 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-09 18:30:43,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:43,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093164373] [2025-01-09 18:30:43,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093164373] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:30:43,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815560140] [2025-01-09 18:30:43,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:43,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:30:43,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:30:43,550 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) [2025-01-09 18:30:43,551 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 [2025-01-09 18:30:44,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-01-09 18:30:44,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-01-09 18:30:44,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:44,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:44,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 1791 conjuncts, 64 conjuncts are in the unsatisfiable core [2025-01-09 18:30:44,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:30:44,602 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-09 18:30:44,602 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 18:30:45,409 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-09 18:30:45,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815560140] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 18:30:45,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 18:30:45,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 12] total 25 [2025-01-09 18:30:45,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265001946] [2025-01-09 18:30:45,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 18:30:45,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-09 18:30:45,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:45,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-09 18:30:45,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=542, Unknown=0, NotChecked=0, Total=600 [2025-01-09 18:30:45,411 INFO L87 Difference]: Start difference. First operand 6190 states and 8355 transitions. Second operand has 25 states, 23 states have (on average 7.782608695652174) internal successors, (179), 19 states have internal predecessors, (179), 7 states have call successors, (32), 2 states have call predecessors, (32), 7 states have return successors, (33), 9 states have call predecessors, (33), 7 states have call successors, (33) [2025-01-09 18:30:46,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:46,512 INFO L93 Difference]: Finished difference Result 12528 states and 16975 transitions. [2025-01-09 18:30:46,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-09 18:30:46,513 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 7.782608695652174) internal successors, (179), 19 states have internal predecessors, (179), 7 states have call successors, (32), 2 states have call predecessors, (32), 7 states have return successors, (33), 9 states have call predecessors, (33), 7 states have call successors, (33) Word has length 164 [2025-01-09 18:30:46,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:46,542 INFO L225 Difference]: With dead ends: 12528 [2025-01-09 18:30:46,543 INFO L226 Difference]: Without dead ends: 6390 [2025-01-09 18:30:46,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 321 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=127, Invalid=1355, Unknown=0, NotChecked=0, Total=1482 [2025-01-09 18:30:46,559 INFO L435 NwaCegarLoop]: 1300 mSDtfsCounter, 1271 mSDsluCounter, 23294 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1275 SdHoareTripleChecker+Valid, 24594 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:46,559 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1275 Valid, 24594 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-09 18:30:46,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6390 states. [2025-01-09 18:30:46,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6390 to 6248. [2025-01-09 18:30:46,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6248 states, 4600 states have (on average 1.285) internal successors, (5911), 4683 states have internal predecessors, (5911), 1197 states have call successors, (1197), 409 states have call predecessors, (1197), 450 states have return successors, (1309), 1210 states have call predecessors, (1309), 1196 states have call successors, (1309) [2025-01-09 18:30:46,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6248 states to 6248 states and 8417 transitions. [2025-01-09 18:30:46,792 INFO L78 Accepts]: Start accepts. Automaton has 6248 states and 8417 transitions. Word has length 164 [2025-01-09 18:30:46,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:46,793 INFO L471 AbstractCegarLoop]: Abstraction has 6248 states and 8417 transitions. [2025-01-09 18:30:46,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 7.782608695652174) internal successors, (179), 19 states have internal predecessors, (179), 7 states have call successors, (32), 2 states have call predecessors, (32), 7 states have return successors, (33), 9 states have call predecessors, (33), 7 states have call successors, (33) [2025-01-09 18:30:46,793 INFO L276 IsEmpty]: Start isEmpty. Operand 6248 states and 8417 transitions. [2025-01-09 18:30:46,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-01-09 18:30:46,800 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:46,800 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:46,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 18:30:47,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:30:47,004 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:47,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:47,004 INFO L85 PathProgramCache]: Analyzing trace with hash -2119004284, now seen corresponding path program 1 times [2025-01-09 18:30:47,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:47,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160670487] [2025-01-09 18:30:47,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:47,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:47,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-01-09 18:30:47,380 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-01-09 18:30:47,380 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:47,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:47,601 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-01-09 18:30:47,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:47,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160670487] [2025-01-09 18:30:47,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160670487] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:30:47,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:30:47,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 18:30:47,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634799242] [2025-01-09 18:30:47,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:30:47,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:30:47,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:47,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:30:47,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:30:47,603 INFO L87 Difference]: Start difference. First operand 6248 states and 8417 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-01-09 18:30:47,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:47,788 INFO L93 Difference]: Finished difference Result 12468 states and 16834 transitions. [2025-01-09 18:30:47,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 18:30:47,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 182 [2025-01-09 18:30:47,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:47,815 INFO L225 Difference]: With dead ends: 12468 [2025-01-09 18:30:47,816 INFO L226 Difference]: Without dead ends: 6256 [2025-01-09 18:30:47,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:30:47,830 INFO L435 NwaCegarLoop]: 1302 mSDtfsCounter, 0 mSDsluCounter, 2602 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3904 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:47,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3904 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:30:47,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6256 states. [2025-01-09 18:30:48,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6256 to 6256. [2025-01-09 18:30:48,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6256 states, 4608 states have (on average 1.2845052083333333) internal successors, (5919), 4691 states have internal predecessors, (5919), 1197 states have call successors, (1197), 409 states have call predecessors, (1197), 450 states have return successors, (1309), 1210 states have call predecessors, (1309), 1196 states have call successors, (1309) [2025-01-09 18:30:48,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6256 states to 6256 states and 8425 transitions. [2025-01-09 18:30:48,046 INFO L78 Accepts]: Start accepts. Automaton has 6256 states and 8425 transitions. Word has length 182 [2025-01-09 18:30:48,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:48,047 INFO L471 AbstractCegarLoop]: Abstraction has 6256 states and 8425 transitions. [2025-01-09 18:30:48,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-01-09 18:30:48,047 INFO L276 IsEmpty]: Start isEmpty. Operand 6256 states and 8425 transitions. [2025-01-09 18:30:48,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2025-01-09 18:30:48,053 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:48,053 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:48,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-09 18:30:48,054 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:48,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:48,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1889209336, now seen corresponding path program 1 times [2025-01-09 18:30:48,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:48,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335895220] [2025-01-09 18:30:48,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:48,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:48,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-01-09 18:30:48,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-01-09 18:30:48,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:48,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:48,634 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-01-09 18:30:48,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:48,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335895220] [2025-01-09 18:30:48,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335895220] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:30:48,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849432609] [2025-01-09 18:30:48,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:48,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:30:48,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:30:48,636 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) [2025-01-09 18:30:48,642 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 [2025-01-09 18:30:49,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes. [2025-01-09 18:30:50,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements. [2025-01-09 18:30:50,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:50,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:50,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 1887 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-09 18:30:50,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:30:50,163 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-01-09 18:30:50,163 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 18:30:50,340 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-01-09 18:30:50,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849432609] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 18:30:50,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 18:30:50,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-01-09 18:30:50,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582922939] [2025-01-09 18:30:50,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 18:30:50,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-09 18:30:50,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:50,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-09 18:30:50,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-01-09 18:30:50,342 INFO L87 Difference]: Start difference. First operand 6256 states and 8425 transitions. Second operand has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-01-09 18:30:50,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:30:50,536 INFO L93 Difference]: Finished difference Result 12516 states and 16904 transitions. [2025-01-09 18:30:50,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-09 18:30:50,537 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 183 [2025-01-09 18:30:50,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:30:50,561 INFO L225 Difference]: With dead ends: 12516 [2025-01-09 18:30:50,561 INFO L226 Difference]: Without dead ends: 6280 [2025-01-09 18:30:50,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2025-01-09 18:30:50,575 INFO L435 NwaCegarLoop]: 1302 mSDtfsCounter, 0 mSDsluCounter, 2604 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3906 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:30:50,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3906 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:30:50,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6280 states. [2025-01-09 18:30:50,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6280 to 6280. [2025-01-09 18:30:50,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6280 states, 4632 states have (on average 1.2830310880829014) internal successors, (5943), 4715 states have internal predecessors, (5943), 1197 states have call successors, (1197), 409 states have call predecessors, (1197), 450 states have return successors, (1309), 1210 states have call predecessors, (1309), 1196 states have call successors, (1309) [2025-01-09 18:30:50,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6280 states to 6280 states and 8449 transitions. [2025-01-09 18:30:50,959 INFO L78 Accepts]: Start accepts. Automaton has 6280 states and 8449 transitions. Word has length 183 [2025-01-09 18:30:50,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:30:50,960 INFO L471 AbstractCegarLoop]: Abstraction has 6280 states and 8449 transitions. [2025-01-09 18:30:50,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-01-09 18:30:50,960 INFO L276 IsEmpty]: Start isEmpty. Operand 6280 states and 8449 transitions. [2025-01-09 18:30:50,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2025-01-09 18:30:50,967 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:30:50,967 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:30:50,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 18:30:51,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:30:51,168 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:30:51,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:30:51,169 INFO L85 PathProgramCache]: Analyzing trace with hash 164235496, now seen corresponding path program 1 times [2025-01-09 18:30:51,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:30:51,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462120752] [2025-01-09 18:30:51,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:51,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:30:51,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 210 statements into 1 equivalence classes. [2025-01-09 18:30:51,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 210 of 210 statements. [2025-01-09 18:30:51,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:51,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:52,763 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-01-09 18:30:52,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:30:52,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462120752] [2025-01-09 18:30:52,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462120752] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:30:52,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836358357] [2025-01-09 18:30:52,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:30:52,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:30:52,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:30:52,766 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) [2025-01-09 18:30:52,771 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 [2025-01-09 18:30:53,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 210 statements into 1 equivalence classes. [2025-01-09 18:30:53,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 210 of 210 statements. [2025-01-09 18:30:53,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:30:53,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:30:53,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 1973 conjuncts, 68 conjuncts are in the unsatisfiable core [2025-01-09 18:30:53,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:30:53,894 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-01-09 18:30:53,894 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 18:30:54,504 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-01-09 18:30:54,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836358357] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 18:30:54,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 18:30:54,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 12] total 28 [2025-01-09 18:30:54,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559210929] [2025-01-09 18:30:54,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 18:30:54,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-01-09 18:30:54,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:30:54,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-01-09 18:30:54,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=683, Unknown=0, NotChecked=0, Total=756 [2025-01-09 18:30:54,507 INFO L87 Difference]: Start difference. First operand 6280 states and 8449 transitions. Second operand has 28 states, 26 states have (on average 7.923076923076923) internal successors, (206), 21 states have internal predecessors, (206), 7 states have call successors, (40), 2 states have call predecessors, (40), 7 states have return successors, (42), 10 states have call predecessors, (42), 7 states have call successors, (42)