./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 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 09c104d62ffc45fecdd321fcd218065640bd0081501b6da04b741d2fcf55e306 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:20:11,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:20:11,152 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:20:11,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:20:11,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:20:11,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:20:11,196 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:20:11,196 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:20:11,197 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:20:11,197 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:20:11,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:20:11,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:20:11,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:20:11,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:20:11,199 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:20:11,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:20:11,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:20:11,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:20:11,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:20:11,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:20:11,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:20:11,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:20:11,203 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:20:11,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:20:11,203 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:20:11,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:20:11,204 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:20:11,204 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:20:11,205 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:20:11,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:20:11,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:20:11,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:20:11,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:20:11,206 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:20:11,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:20:11,207 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:20:11,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:20:11,208 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:20:11,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:20:11,208 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09c104d62ffc45fecdd321fcd218065640bd0081501b6da04b741d2fcf55e306 [2024-11-19 03:20:11,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:20:11,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:20:11,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:20:11,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:20:11,558 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:20:11,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/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 [2024-11-19 03:20:13,116 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:20:13,599 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:20:13,600 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/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 [2024-11-19 03:20:13,637 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c4c5d5f0/29358db472fd4ccaac00ad17555f18ae/FLAG39f7ccda1 [2024-11-19 03:20:13,704 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c4c5d5f0/29358db472fd4ccaac00ad17555f18ae [2024-11-19 03:20:13,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:20:13,708 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:20:13,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:20:13,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:20:13,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:20:13,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:13" (1/1) ... [2024-11-19 03:20:13,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf82077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:13, skipping insertion in model container [2024-11-19 03:20:13,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:13" (1/1) ... [2024-11-19 03:20:13,873 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:20:14,816 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-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] [2024-11-19 03:20:15,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:20:15,410 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:20:15,585 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-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] [2024-11-19 03:20:15,653 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] [2024-11-19 03:20:15,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:20:15,779 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:20:15,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:15 WrapperNode [2024-11-19 03:20:15,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:20:15,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:20:15,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:20:15,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:20:15,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:15" (1/1) ... [2024-11-19 03:20:15,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:15" (1/1) ... [2024-11-19 03:20:16,007 INFO L138 Inliner]: procedures = 187, calls = 879, calls flagged for inlining = 75, calls inlined = 64, statements flattened = 2427 [2024-11-19 03:20:16,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:20:16,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:20:16,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:20:16,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:20:16,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:15" (1/1) ... [2024-11-19 03:20:16,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:15" (1/1) ... [2024-11-19 03:20:16,052 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:15" (1/1) ... [2024-11-19 03:20:16,394 INFO L175 MemorySlicer]: Split 387 memory accesses to 16 slices as follows [2, 6, 5, 41, 6, 6, 3, 2, 16, 2, 245, 2, 20, 14, 15, 2]. 63 percent of accesses are in the largest equivalence class. The 55 initializations are split as follows [2, 6, 0, 0, 0, 6, 0, 0, 16, 0, 2, 0, 15, 0, 8, 0]. The 172 writes are split as follows [0, 0, 0, 41, 2, 0, 3, 1, 0, 1, 107, 2, 2, 12, 0, 1]. [2024-11-19 03:20:16,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:15" (1/1) ... [2024-11-19 03:20:16,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:15" (1/1) ... [2024-11-19 03:20:16,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:15" (1/1) ... [2024-11-19 03:20:16,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:15" (1/1) ... [2024-11-19 03:20:16,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:15" (1/1) ... [2024-11-19 03:20:16,655 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:15" (1/1) ... [2024-11-19 03:20:16,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:20:16,700 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:20:16,700 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:20:16,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:20:16,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:15" (1/1) ... [2024-11-19 03:20:16,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:20:16,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:20:16,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 03:20:16,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 03:20:16,785 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2024-11-19 03:20:16,786 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2024-11-19 03:20:16,786 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-19 03:20:16,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-19 03:20:16,786 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2024-11-19 03:20:16,786 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2024-11-19 03:20:16,786 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-19 03:20:16,787 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-19 03:20:16,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:20:16,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:20:16,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:20:16,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:20:16,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:20:16,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:20:16,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:20:16,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:20:16,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:20:16,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:20:16,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:20:16,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 03:20:16,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 03:20:16,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 03:20:16,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 03:20:16,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-19 03:20:16,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-19 03:20:16,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-19 03:20:16,791 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2024-11-19 03:20:16,791 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2024-11-19 03:20:16,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:20:16,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:20:16,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:20:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:20:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:20:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:20:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:20:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:20:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:20:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:20:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:20:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 03:20:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 03:20:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 03:20:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 03:20:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-19 03:20:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:20:16,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:20:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:20:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:20:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:20:16,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:20:16,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:20:16,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:20:16,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:20:16,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:20:16,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:20:16,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:20:16,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:20:16,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 03:20:16,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 03:20:16,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 03:20:16,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 03:20:16,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 03:20:16,798 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2024-11-19 03:20:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2024-11-19 03:20:16,798 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2024-11-19 03:20:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2024-11-19 03:20:16,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-11-19 03:20:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-11-19 03:20:16,798 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2024-11-19 03:20:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2024-11-19 03:20:16,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:20:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:20:16,798 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2024-11-19 03:20:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2024-11-19 03:20:16,798 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2024-11-19 03:20:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2024-11-19 03:20:16,799 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2024-11-19 03:20:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2024-11-19 03:20:16,799 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2024-11-19 03:20:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2024-11-19 03:20:16,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-11-19 03:20:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-11-19 03:20:16,799 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 03:20:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 03:20:16,799 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2024-11-19 03:20:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2024-11-19 03:20:16,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2024-11-19 03:20:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2024-11-19 03:20:16,799 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-19 03:20:16,800 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-19 03:20:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-19 03:20:16,800 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-19 03:20:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:20:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:20:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:20:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:20:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:20:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:20:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:20:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:20:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:20:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:20:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:20:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 03:20:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 03:20:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 03:20:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 03:20:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 03:20:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-19 03:20:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-19 03:20:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:20:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:20:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2024-11-19 03:20:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2024-11-19 03:20:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-19 03:20:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-19 03:20:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:20:16,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:20:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2024-11-19 03:20:16,809 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2024-11-19 03:20:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 03:20:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 03:20:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 03:20:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 03:20:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 03:20:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-19 03:20:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-19 03:20:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-19 03:20:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-19 03:20:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-19 03:20:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-19 03:20:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-19 03:20:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-19 03:20:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-19 03:20:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-19 03:20:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-19 03:20:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 03:20:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 03:20:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 03:20:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 03:20:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 03:20:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-19 03:20:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-19 03:20:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-19 03:20:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-19 03:20:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-19 03:20:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-19 03:20:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-19 03:20:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-19 03:20:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-19 03:20:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-19 03:20:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-19 03:20:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:20:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:20:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:20:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2024-11-19 03:20:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2024-11-19 03:20:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-19 03:20:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-19 03:20:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-19 03:20:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-19 03:20:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:20:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2024-11-19 03:20:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2024-11-19 03:20:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:20:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:20:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:20:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:20:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:20:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:20:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:20:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:20:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:20:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:20:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:20:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:20:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 03:20:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 03:20:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 03:20:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 03:20:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 03:20:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-19 03:20:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-19 03:20:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2024-11-19 03:20:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2024-11-19 03:20:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-19 03:20:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-19 03:20:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:20:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:20:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:20:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:20:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:20:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:20:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:20:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:20:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:20:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:20:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:20:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 03:20:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 03:20:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 03:20:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 03:20:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 03:20:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-11-19 03:20:16,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-11-19 03:20:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-19 03:20:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-19 03:20:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-19 03:20:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-19 03:20:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-19 03:20:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-19 03:20:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2024-11-19 03:20:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2024-11-19 03:20:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2024-11-19 03:20:16,822 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2024-11-19 03:20:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-19 03:20:16,822 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-19 03:20:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2024-11-19 03:20:16,822 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2024-11-19 03:20:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-11-19 03:20:16,822 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-11-19 03:20:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:20:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 03:20:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 03:20:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 03:20:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 03:20:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 03:20:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 03:20:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 03:20:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 03:20:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 03:20:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 03:20:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 03:20:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 03:20:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 03:20:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 03:20:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 03:20:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-19 03:20:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2024-11-19 03:20:16,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2024-11-19 03:20:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-19 03:20:16,826 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-19 03:20:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 03:20:16,826 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 03:20:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2024-11-19 03:20:16,826 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2024-11-19 03:20:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2024-11-19 03:20:16,826 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2024-11-19 03:20:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2024-11-19 03:20:16,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2024-11-19 03:20:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-19 03:20:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-19 03:20:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-19 03:20:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-19 03:20:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-19 03:20:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-19 03:20:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-19 03:20:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-19 03:20:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2024-11-19 03:20:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2024-11-19 03:20:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2024-11-19 03:20:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2024-11-19 03:20:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:20:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:20:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:20:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:20:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:20:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:20:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:20:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:20:16,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:20:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:20:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:20:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 03:20:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 03:20:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 03:20:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 03:20:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 03:20:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2024-11-19 03:20:16,833 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2024-11-19 03:20:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-19 03:20:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-19 03:20:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-19 03:20:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-19 03:20:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:20:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:20:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2024-11-19 03:20:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2024-11-19 03:20:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2024-11-19 03:20:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2024-11-19 03:20:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-19 03:20:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-19 03:20:17,352 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:20:17,358 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:20:17,404 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:20:23,874 INFO L? ?]: Removed 989 outVars from TransFormulas that were not future-live. [2024-11-19 03:20:23,874 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:20:23,938 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:20:23,938 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-19 03:20:23,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:23 BoogieIcfgContainer [2024-11-19 03:20:23,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:20:23,945 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:20:23,945 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:20:23,950 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:20:23,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:20:13" (1/3) ... [2024-11-19 03:20:23,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f84b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:20:23, skipping insertion in model container [2024-11-19 03:20:23,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:15" (2/3) ... [2024-11-19 03:20:23,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f84b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:20:23, skipping insertion in model container [2024-11-19 03:20:23,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:23" (3/3) ... [2024-11-19 03:20:23,954 INFO L112 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 [2024-11-19 03:20:23,973 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:20:23,973 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:20:24,087 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:20:24,095 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;@7fbe6c4e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:20:24,095 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:20:24,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 976 states, 703 states have (on average 1.3357041251778095) internal successors, (939), 721 states have internal predecessors, (939), 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) [2024-11-19 03:20:24,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-19 03:20:24,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:20:24,120 INFO L215 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] [2024-11-19 03:20:24,121 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:20:24,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:20:24,126 INFO L85 PathProgramCache]: Analyzing trace with hash 2024750634, now seen corresponding path program 1 times [2024-11-19 03:20:24,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:20:24,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564095106] [2024-11-19 03:20:24,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:20:24,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:20:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:20:25,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 03:20:25,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:20:25,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564095106] [2024-11-19 03:20:25,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564095106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:20:25,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:20:25,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:20:25,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938548378] [2024-11-19 03:20:25,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:20:25,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:20:25,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:20:25,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:20:25,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:20:25,667 INFO L87 Difference]: Start difference. First operand has 976 states, 703 states have (on average 1.3357041251778095) internal successors, (939), 721 states have internal predecessors, (939), 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) [2024-11-19 03:20:26,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:20:26,120 INFO L93 Difference]: Finished difference Result 2910 states and 4112 transitions. [2024-11-19 03:20:26,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:20:26,123 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 [2024-11-19 03:20:26,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:20:26,162 INFO L225 Difference]: With dead ends: 2910 [2024-11-19 03:20:26,163 INFO L226 Difference]: Without dead ends: 1887 [2024-11-19 03:20:26,178 INFO L431 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 [2024-11-19 03:20:26,183 INFO L432 NwaCegarLoop]: 1325 mSDtfsCounter, 1308 mSDsluCounter, 3960 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1308 SdHoareTripleChecker+Valid, 5285 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:20:26,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1308 Valid, 5285 Invalid, 47 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:20:26,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2024-11-19 03:20:26,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1883. [2024-11-19 03:20:26,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1883 states, 1361 states have (on average 1.3034533431300515) internal successors, (1774), 1387 states have internal predecessors, (1774), 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) [2024-11-19 03:20:26,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1883 states and 2577 transitions. [2024-11-19 03:20:26,387 INFO L78 Accepts]: Start accepts. Automaton has 1883 states and 2577 transitions. Word has length 32 [2024-11-19 03:20:26,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:20:26,388 INFO L471 AbstractCegarLoop]: Abstraction has 1883 states and 2577 transitions. [2024-11-19 03:20:26,388 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) [2024-11-19 03:20:26,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2577 transitions. [2024-11-19 03:20:26,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-19 03:20:26,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:20:26,403 INFO L215 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, 1, 1] [2024-11-19 03:20:26,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 03:20:26,403 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:20:26,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:20:26,404 INFO L85 PathProgramCache]: Analyzing trace with hash 306087641, now seen corresponding path program 1 times [2024-11-19 03:20:26,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:20:26,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683852434] [2024-11-19 03:20:26,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:20:26,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:20:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:20:27,027 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 03:20:27,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:20:27,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683852434] [2024-11-19 03:20:27,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683852434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:20:27,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:20:27,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:20:27,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382699854] [2024-11-19 03:20:27,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:20:27,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:20:27,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:20:27,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:20:27,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:20:27,033 INFO L87 Difference]: Start difference. First operand 1883 states and 2577 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-11-19 03:20:27,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:20:27,411 INFO L93 Difference]: Finished difference Result 3854 states and 5261 transitions. [2024-11-19 03:20:27,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:20:27,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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 77 [2024-11-19 03:20:27,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:20:27,447 INFO L225 Difference]: With dead ends: 3854 [2024-11-19 03:20:27,447 INFO L226 Difference]: Without dead ends: 1979 [2024-11-19 03:20:27,459 INFO L431 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 [2024-11-19 03:20:27,461 INFO L432 NwaCegarLoop]: 1355 mSDtfsCounter, 96 mSDsluCounter, 1241 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 2596 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 [2024-11-19 03:20:27,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 2596 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:20:27,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1979 states. [2024-11-19 03:20:27,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1979 to 1970. [2024-11-19 03:20:27,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1970 states, 1428 states have (on average 1.3018207282913166) internal successors, (1859), 1455 states have internal predecessors, (1859), 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) [2024-11-19 03:20:27,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1970 states and 2684 transitions. [2024-11-19 03:20:27,657 INFO L78 Accepts]: Start accepts. Automaton has 1970 states and 2684 transitions. Word has length 77 [2024-11-19 03:20:27,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:20:27,657 INFO L471 AbstractCegarLoop]: Abstraction has 1970 states and 2684 transitions. [2024-11-19 03:20:27,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-11-19 03:20:27,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1970 states and 2684 transitions. [2024-11-19 03:20:27,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-19 03:20:27,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:20:27,664 INFO L215 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] [2024-11-19 03:20:27,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:20:27,665 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:20:27,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:20:27,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1072860917, now seen corresponding path program 1 times [2024-11-19 03:20:27,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:20:27,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500697055] [2024-11-19 03:20:27,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:20:27,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:20:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:20:28,284 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 03:20:28,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:20:28,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500697055] [2024-11-19 03:20:28,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500697055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:20:28,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:20:28,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:20:28,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84146600] [2024-11-19 03:20:28,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:20:28,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:20:28,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:20:28,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:20:28,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:20:28,291 INFO L87 Difference]: Start difference. First operand 1970 states and 2684 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2024-11-19 03:20:32,312 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 [] [2024-11-19 03:20:32,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:20:32,667 INFO L93 Difference]: Finished difference Result 5410 states and 7350 transitions. [2024-11-19 03:20:32,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:20:32,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 101 [2024-11-19 03:20:32,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:20:32,696 INFO L225 Difference]: With dead ends: 5410 [2024-11-19 03:20:32,696 INFO L226 Difference]: Without dead ends: 3469 [2024-11-19 03:20:32,707 INFO L431 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 [2024-11-19 03:20:32,709 INFO L432 NwaCegarLoop]: 1453 mSDtfsCounter, 1186 mSDsluCounter, 1053 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 37 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1186 SdHoareTripleChecker+Valid, 2506 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 [2024-11-19 03:20:32,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1186 Valid, 2506 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-19 03:20:32,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3469 states. [2024-11-19 03:20:32,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3469 to 3460. [2024-11-19 03:20:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3460 states, 2532 states have (on average 1.2938388625592416) internal successors, (3276), 2572 states have internal predecessors, (3276), 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) [2024-11-19 03:20:32,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3460 states to 3460 states and 4650 transitions. [2024-11-19 03:20:32,915 INFO L78 Accepts]: Start accepts. Automaton has 3460 states and 4650 transitions. Word has length 101 [2024-11-19 03:20:32,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:20:32,915 INFO L471 AbstractCegarLoop]: Abstraction has 3460 states and 4650 transitions. [2024-11-19 03:20:32,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2024-11-19 03:20:32,916 INFO L276 IsEmpty]: Start isEmpty. Operand 3460 states and 4650 transitions. [2024-11-19 03:20:32,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-19 03:20:32,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:20:32,923 INFO L215 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] [2024-11-19 03:20:32,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:20:32,923 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:20:32,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:20:32,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1864526549, now seen corresponding path program 1 times [2024-11-19 03:20:32,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:20:32,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961915990] [2024-11-19 03:20:32,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:20:32,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:20:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:20:33,814 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-19 03:20:33,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:20:33,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961915990] [2024-11-19 03:20:33,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961915990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:20:33,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:20:33,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:20:33,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300268788] [2024-11-19 03:20:33,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:20:33,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:20:33,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:20:33,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:20:33,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:20:33,819 INFO L87 Difference]: Start difference. First operand 3460 states and 4650 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2024-11-19 03:20:33,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:20:33,926 INFO L93 Difference]: Finished difference Result 5224 states and 7033 transitions. [2024-11-19 03:20:33,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:20:33,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 101 [2024-11-19 03:20:33,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:20:33,956 INFO L225 Difference]: With dead ends: 5224 [2024-11-19 03:20:33,956 INFO L226 Difference]: Without dead ends: 3464 [2024-11-19 03:20:33,966 INFO L431 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 [2024-11-19 03:20:33,968 INFO L432 NwaCegarLoop]: 1310 mSDtfsCounter, 3 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2612 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 [2024-11-19 03:20:33,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2612 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:20:33,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3464 states. [2024-11-19 03:20:34,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3464 to 3464. [2024-11-19 03:20:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3464 states, 2536 states have (on average 1.2933753943217665) internal successors, (3280), 2576 states have internal predecessors, (3280), 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) [2024-11-19 03:20:34,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3464 states to 3464 states and 4654 transitions. [2024-11-19 03:20:34,193 INFO L78 Accepts]: Start accepts. Automaton has 3464 states and 4654 transitions. Word has length 101 [2024-11-19 03:20:34,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:20:34,194 INFO L471 AbstractCegarLoop]: Abstraction has 3464 states and 4654 transitions. [2024-11-19 03:20:34,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2024-11-19 03:20:34,195 INFO L276 IsEmpty]: Start isEmpty. Operand 3464 states and 4654 transitions. [2024-11-19 03:20:34,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-19 03:20:34,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:20:34,203 INFO L215 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, 1, 1] [2024-11-19 03:20:34,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:20:34,204 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:20:34,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:20:34,205 INFO L85 PathProgramCache]: Analyzing trace with hash -2021608300, now seen corresponding path program 1 times [2024-11-19 03:20:34,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:20:34,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244538900] [2024-11-19 03:20:34,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:20:34,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:20:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:20:35,260 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-19 03:20:35,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:20:35,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244538900] [2024-11-19 03:20:35,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244538900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:20:35,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:20:35,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 03:20:35,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127594967] [2024-11-19 03:20:35,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:20:35,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 03:20:35,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:20:35,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 03:20:35,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-19 03:20:35,263 INFO L87 Difference]: Start difference. First operand 3464 states and 4654 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 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) [2024-11-19 03:20:39,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:20:43,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:20:50,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:20:50,031 INFO L93 Difference]: Finished difference Result 7699 states and 10391 transitions. [2024-11-19 03:20:50,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 03:20:50,032 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 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 103 [2024-11-19 03:20:50,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:20:50,072 INFO L225 Difference]: With dead ends: 7699 [2024-11-19 03:20:50,073 INFO L226 Difference]: Without dead ends: 4264 [2024-11-19 03:20:50,087 INFO L431 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 [2024-11-19 03:20:50,088 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 4440 mSDsluCounter, 1719 mSDsCounter, 0 mSdLazyCounter, 4049 mSolverCounterSat, 1577 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4676 SdHoareTripleChecker+Valid, 2376 SdHoareTripleChecker+Invalid, 5628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1577 IncrementalHoareTripleChecker+Valid, 4049 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:20:50,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4676 Valid, 2376 Invalid, 5628 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1577 Valid, 4049 Invalid, 2 Unknown, 0 Unchecked, 14.2s Time] [2024-11-19 03:20:50,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4264 states. [2024-11-19 03:20:50,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4264 to 4216. [2024-11-19 03:20:50,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4216 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), 295 states have return successors, (843), 807 states have call predecessors, (843), 817 states have call successors, (843) [2024-11-19 03:20:50,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4216 states to 4216 states and 5683 transitions. [2024-11-19 03:20:50,291 INFO L78 Accepts]: Start accepts. Automaton has 4216 states and 5683 transitions. Word has length 103 [2024-11-19 03:20:50,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:20:50,291 INFO L471 AbstractCegarLoop]: Abstraction has 4216 states and 5683 transitions. [2024-11-19 03:20:50,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 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) [2024-11-19 03:20:50,292 INFO L276 IsEmpty]: Start isEmpty. Operand 4216 states and 5683 transitions. [2024-11-19 03:20:50,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-19 03:20:50,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:20:50,300 INFO L215 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, 1, 1] [2024-11-19 03:20:50,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:20:50,300 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:20:50,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:20:50,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1796621615, now seen corresponding path program 1 times [2024-11-19 03:20:50,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:20:50,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902476336] [2024-11-19 03:20:50,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:20:50,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:20:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:20:51,343 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-19 03:20:51,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:20:51,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902476336] [2024-11-19 03:20:51,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902476336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:20:51,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:20:51,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:20:51,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737001547] [2024-11-19 03:20:51,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:20:51,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:20:51,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:20:51,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:20:51,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:20:51,347 INFO L87 Difference]: Start difference. First operand 4216 states and 5683 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 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) [2024-11-19 03:20:51,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:20:51,518 INFO L93 Difference]: Finished difference Result 8429 states and 11415 transitions. [2024-11-19 03:20:51,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:20:51,519 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 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 131 [2024-11-19 03:20:51,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:20:51,551 INFO L225 Difference]: With dead ends: 8429 [2024-11-19 03:20:51,552 INFO L226 Difference]: Without dead ends: 4242 [2024-11-19 03:20:51,567 INFO L431 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 [2024-11-19 03:20:51,569 INFO L432 NwaCegarLoop]: 1309 mSDtfsCounter, 0 mSDsluCounter, 3922 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5231 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 [2024-11-19 03:20:51,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5231 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:20:51,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4242 states. [2024-11-19 03:20:51,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4242 to 4240. [2024-11-19 03:20:51,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4240 states, 3120 states have (on average 1.294871794871795) internal successors, (4040), 3174 states have internal predecessors, (4040), 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) [2024-11-19 03:20:51,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4240 states to 4240 states and 5711 transitions. [2024-11-19 03:20:51,826 INFO L78 Accepts]: Start accepts. Automaton has 4240 states and 5711 transitions. Word has length 131 [2024-11-19 03:20:51,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:20:51,828 INFO L471 AbstractCegarLoop]: Abstraction has 4240 states and 5711 transitions. [2024-11-19 03:20:51,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 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) [2024-11-19 03:20:51,829 INFO L276 IsEmpty]: Start isEmpty. Operand 4240 states and 5711 transitions. [2024-11-19 03:20:51,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-19 03:20:51,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:20:51,847 INFO L215 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, 1, 1] [2024-11-19 03:20:51,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 03:20:51,847 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:20:51,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:20:51,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1978157551, now seen corresponding path program 1 times [2024-11-19 03:20:51,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:20:51,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336362116] [2024-11-19 03:20:51,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:20:51,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:20:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:20:52,550 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-19 03:20:52,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:20:52,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336362116] [2024-11-19 03:20:52,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336362116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:20:52,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:20:52,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:20:52,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663952393] [2024-11-19 03:20:52,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:20:52,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:20:52,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:20:52,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:20:52,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:20:52,554 INFO L87 Difference]: Start difference. First operand 4240 states and 5711 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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) [2024-11-19 03:20:56,574 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 [] [2024-11-19 03:20:56,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:20:56,803 INFO L93 Difference]: Finished difference Result 8440 states and 11373 transitions. [2024-11-19 03:20:56,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:20:56,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 152 [2024-11-19 03:20:56,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:20:56,840 INFO L225 Difference]: With dead ends: 8440 [2024-11-19 03:20:56,840 INFO L226 Difference]: Without dead ends: 4216 [2024-11-19 03:20:56,856 INFO L431 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 [2024-11-19 03:20:56,857 INFO L432 NwaCegarLoop]: 1346 mSDtfsCounter, 1263 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1263 SdHoareTripleChecker+Valid, 1399 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 [2024-11-19 03:20:56,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1263 Valid, 1399 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:20:56,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4216 states. [2024-11-19 03:20:57,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4216 to 4216. [2024-11-19 03:20:57,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4216 states, 3098 states have (on average 1.29083279535184) internal successors, (3999), 3152 states have internal predecessors, (3999), 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) [2024-11-19 03:20:57,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4216 states to 4216 states and 5664 transitions. [2024-11-19 03:20:57,064 INFO L78 Accepts]: Start accepts. Automaton has 4216 states and 5664 transitions. Word has length 152 [2024-11-19 03:20:57,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:20:57,065 INFO L471 AbstractCegarLoop]: Abstraction has 4216 states and 5664 transitions. [2024-11-19 03:20:57,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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) [2024-11-19 03:20:57,066 INFO L276 IsEmpty]: Start isEmpty. Operand 4216 states and 5664 transitions. [2024-11-19 03:20:57,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-19 03:20:57,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:20:57,076 INFO L215 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] [2024-11-19 03:20:57,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 03:20:57,077 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:20:57,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:20:57,077 INFO L85 PathProgramCache]: Analyzing trace with hash -295648864, now seen corresponding path program 1 times [2024-11-19 03:20:57,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:20:57,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466296235] [2024-11-19 03:20:57,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:20:57,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:20:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:20:58,381 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-19 03:20:58,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:20:58,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466296235] [2024-11-19 03:20:58,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466296235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:20:58,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040951176] [2024-11-19 03:20:58,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:20:58,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:20:58,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:20:58,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:20:58,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:20:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:20:59,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 1780 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 03:20:59,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:21:00,005 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 03:21:00,005 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 03:21:00,931 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-19 03:21:00,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040951176] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-19 03:21:00,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-19 03:21:00,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 8] total 21 [2024-11-19 03:21:00,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078968904] [2024-11-19 03:21:00,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:21:00,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 03:21:00,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:21:00,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 03:21:00,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2024-11-19 03:21:00,934 INFO L87 Difference]: Start difference. First operand 4216 states and 5664 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 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) [2024-11-19 03:21:04,950 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 [] [2024-11-19 03:21:08,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:21:12,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:21:21,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:21:21,106 INFO L93 Difference]: Finished difference Result 9707 states and 13311 transitions. [2024-11-19 03:21:21,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 03:21:21,107 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 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 160 [2024-11-19 03:21:21,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:21:21,164 INFO L225 Difference]: With dead ends: 9707 [2024-11-19 03:21:21,165 INFO L226 Difference]: Without dead ends: 7188 [2024-11-19 03:21:21,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 313 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2024-11-19 03:21:21,182 INFO L432 NwaCegarLoop]: 1115 mSDtfsCounter, 4910 mSDsluCounter, 2762 mSDsCounter, 0 mSdLazyCounter, 5491 mSolverCounterSat, 1821 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5047 SdHoareTripleChecker+Valid, 3877 SdHoareTripleChecker+Invalid, 7315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1821 IncrementalHoareTripleChecker+Valid, 5491 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2024-11-19 03:21:21,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5047 Valid, 3877 Invalid, 7315 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1821 Valid, 5491 Invalid, 3 Unknown, 0 Unchecked, 19.4s Time] [2024-11-19 03:21:21,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7188 states. [2024-11-19 03:21:21,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7188 to 6145. [2024-11-19 03:21:21,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6145 states, 4505 states have (on average 1.2914539400665928) internal successors, (5818), 4594 states have internal predecessors, (5818), 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) [2024-11-19 03:21:21,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6145 states to 6145 states and 8304 transitions. [2024-11-19 03:21:21,624 INFO L78 Accepts]: Start accepts. Automaton has 6145 states and 8304 transitions. Word has length 160 [2024-11-19 03:21:21,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:21:21,625 INFO L471 AbstractCegarLoop]: Abstraction has 6145 states and 8304 transitions. [2024-11-19 03:21:21,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 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) [2024-11-19 03:21:21,625 INFO L276 IsEmpty]: Start isEmpty. Operand 6145 states and 8304 transitions. [2024-11-19 03:21:21,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-19 03:21:21,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:21:21,637 INFO L215 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] [2024-11-19 03:21:21,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 03:21:21,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:21:21,838 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:21:21,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:21:21,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1251015423, now seen corresponding path program 1 times [2024-11-19 03:21:21,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:21:21,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432500810] [2024-11-19 03:21:21,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:21:21,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:21:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:21:22,471 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-19 03:21:22,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:21:22,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432500810] [2024-11-19 03:21:22,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432500810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:21:22,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:21:22,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:21:22,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757294135] [2024-11-19 03:21:22,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:21:22,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:21:22,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:21:22,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:21:22,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:21:22,474 INFO L87 Difference]: Start difference. First operand 6145 states and 8304 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) [2024-11-19 03:21:22,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:21:22,838 INFO L93 Difference]: Finished difference Result 10609 states and 14392 transitions. [2024-11-19 03:21:22,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:21:22,838 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 [2024-11-19 03:21:22,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:21:22,875 INFO L225 Difference]: With dead ends: 10609 [2024-11-19 03:21:22,875 INFO L226 Difference]: Without dead ends: 6161 [2024-11-19 03:21:22,894 INFO L431 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 [2024-11-19 03:21:22,895 INFO L432 NwaCegarLoop]: 1304 mSDtfsCounter, 0 mSDsluCounter, 2602 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3906 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 [2024-11-19 03:21:22,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3906 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:21:22,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6161 states. [2024-11-19 03:21:23,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6161 to 6159. [2024-11-19 03:21:23,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6159 states, 4519 states have (on average 1.2918787342332374) internal successors, (5838), 4608 states have internal predecessors, (5838), 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) [2024-11-19 03:21:23,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6159 states to 6159 states and 8324 transitions. [2024-11-19 03:21:23,209 INFO L78 Accepts]: Start accepts. Automaton has 6159 states and 8324 transitions. Word has length 162 [2024-11-19 03:21:23,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:21:23,210 INFO L471 AbstractCegarLoop]: Abstraction has 6159 states and 8324 transitions. [2024-11-19 03:21:23,210 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) [2024-11-19 03:21:23,210 INFO L276 IsEmpty]: Start isEmpty. Operand 6159 states and 8324 transitions. [2024-11-19 03:21:23,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-19 03:21:23,221 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:21:23,222 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:21:23,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 03:21:23,222 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:21:23,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:21:23,223 INFO L85 PathProgramCache]: Analyzing trace with hash 279115976, now seen corresponding path program 1 times [2024-11-19 03:21:23,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:21:23,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153014057] [2024-11-19 03:21:23,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:21:23,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:21:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:21:24,016 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-19 03:21:24,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:21:24,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153014057] [2024-11-19 03:21:24,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153014057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:21:24,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:21:24,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:21:24,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124956328] [2024-11-19 03:21:24,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:21:24,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:21:24,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:21:24,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:21:24,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:21:24,019 INFO L87 Difference]: Start difference. First operand 6159 states and 8324 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) [2024-11-19 03:21:24,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:21:24,280 INFO L93 Difference]: Finished difference Result 12322 states and 16708 transitions. [2024-11-19 03:21:24,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:21:24,281 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 164 [2024-11-19 03:21:24,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:21:24,318 INFO L225 Difference]: With dead ends: 12322 [2024-11-19 03:21:24,318 INFO L226 Difference]: Without dead ends: 6215 [2024-11-19 03:21:24,342 INFO L431 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 [2024-11-19 03:21:24,343 INFO L432 NwaCegarLoop]: 1306 mSDtfsCounter, 1 mSDsluCounter, 2596 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3902 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 [2024-11-19 03:21:24,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3902 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:21:24,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6215 states. [2024-11-19 03:21:24,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6215 to 6207. [2024-11-19 03:21:24,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6207 states, 4567 states have (on average 1.2888110356908256) internal successors, (5886), 4656 states have internal predecessors, (5886), 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) [2024-11-19 03:21:24,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6207 states to 6207 states and 8372 transitions. [2024-11-19 03:21:24,710 INFO L78 Accepts]: Start accepts. Automaton has 6207 states and 8372 transitions. Word has length 164 [2024-11-19 03:21:24,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:21:24,711 INFO L471 AbstractCegarLoop]: Abstraction has 6207 states and 8372 transitions. [2024-11-19 03:21:24,711 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) [2024-11-19 03:21:24,712 INFO L276 IsEmpty]: Start isEmpty. Operand 6207 states and 8372 transitions. [2024-11-19 03:21:24,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-19 03:21:24,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:21:24,723 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:21:24,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 03:21:24,723 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:21:24,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:21:24,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1946208915, now seen corresponding path program 1 times [2024-11-19 03:21:24,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:21:24,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235396599] [2024-11-19 03:21:24,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:21:24,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:21:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:21:25,362 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-19 03:21:25,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:21:25,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235396599] [2024-11-19 03:21:25,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235396599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:21:25,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:21:25,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:21:25,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530288696] [2024-11-19 03:21:25,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:21:25,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:21:25,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:21:25,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:21:25,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:21:25,365 INFO L87 Difference]: Start difference. First operand 6207 states and 8372 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 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) [2024-11-19 03:21:25,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:21:25,858 INFO L93 Difference]: Finished difference Result 12418 states and 16804 transitions. [2024-11-19 03:21:25,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:21:25,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 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 165 [2024-11-19 03:21:25,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:21:25,902 INFO L225 Difference]: With dead ends: 12418 [2024-11-19 03:21:25,902 INFO L226 Difference]: Without dead ends: 6263 [2024-11-19 03:21:25,924 INFO L431 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 [2024-11-19 03:21:25,925 INFO L432 NwaCegarLoop]: 1310 mSDtfsCounter, 1 mSDsluCounter, 2599 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3909 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:21:25,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3909 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:21:25,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6263 states. [2024-11-19 03:21:26,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6263 to 6207. [2024-11-19 03:21:26,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6207 states, 4567 states have (on average 1.2888110356908256) internal successors, (5886), 4656 states have internal predecessors, (5886), 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) [2024-11-19 03:21:26,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6207 states to 6207 states and 8372 transitions. [2024-11-19 03:21:26,249 INFO L78 Accepts]: Start accepts. Automaton has 6207 states and 8372 transitions. Word has length 165 [2024-11-19 03:21:26,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:21:26,249 INFO L471 AbstractCegarLoop]: Abstraction has 6207 states and 8372 transitions. [2024-11-19 03:21:26,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 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) [2024-11-19 03:21:26,250 INFO L276 IsEmpty]: Start isEmpty. Operand 6207 states and 8372 transitions. [2024-11-19 03:21:26,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-19 03:21:26,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:21:26,259 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:21:26,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 03:21:26,260 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:21:26,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:21:26,260 INFO L85 PathProgramCache]: Analyzing trace with hash -773122427, now seen corresponding path program 1 times [2024-11-19 03:21:26,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:21:26,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868027845] [2024-11-19 03:21:26,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:21:26,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:21:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:21:27,188 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-19 03:21:27,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:21:27,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868027845] [2024-11-19 03:21:27,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868027845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:21:27,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:21:27,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:21:27,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435460056] [2024-11-19 03:21:27,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:21:27,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:21:27,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:21:27,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:21:27,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:21:27,191 INFO L87 Difference]: Start difference. First operand 6207 states and 8372 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 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) [2024-11-19 03:21:27,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:21:27,487 INFO L93 Difference]: Finished difference Result 12374 states and 16724 transitions. [2024-11-19 03:21:27,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:21:27,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 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 166 [2024-11-19 03:21:27,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:21:27,528 INFO L225 Difference]: With dead ends: 12374 [2024-11-19 03:21:27,529 INFO L226 Difference]: Without dead ends: 6219 [2024-11-19 03:21:27,551 INFO L431 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 [2024-11-19 03:21:27,552 INFO L432 NwaCegarLoop]: 1308 mSDtfsCounter, 0 mSDsluCounter, 2610 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3918 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 [2024-11-19 03:21:27,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3918 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:21:27,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6219 states. [2024-11-19 03:21:27,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6219 to 6219. [2024-11-19 03:21:27,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6219 states, 4579 states have (on average 1.2880541602970081) internal successors, (5898), 4668 states have internal predecessors, (5898), 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) [2024-11-19 03:21:27,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6219 states to 6219 states and 8384 transitions. [2024-11-19 03:21:27,966 INFO L78 Accepts]: Start accepts. Automaton has 6219 states and 8384 transitions. Word has length 166 [2024-11-19 03:21:27,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:21:27,966 INFO L471 AbstractCegarLoop]: Abstraction has 6219 states and 8384 transitions. [2024-11-19 03:21:27,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 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) [2024-11-19 03:21:27,967 INFO L276 IsEmpty]: Start isEmpty. Operand 6219 states and 8384 transitions. [2024-11-19 03:21:27,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-19 03:21:27,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:21:27,977 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:21:27,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 03:21:27,978 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:21:27,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:21:27,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1683628228, now seen corresponding path program 1 times [2024-11-19 03:21:27,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:21:27,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336971913] [2024-11-19 03:21:27,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:21:27,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms