./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 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../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-803cd42-m [2024-11-22 15:18:55,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 15:18:55,181 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 15:18:55,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 15:18:55,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 15:18:55,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 15:18:55,215 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 15:18:55,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 15:18:55,216 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 15:18:55,219 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 15:18:55,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 15:18:55,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 15:18:55,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 15:18:55,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 15:18:55,221 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 15:18:55,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 15:18:55,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 15:18:55,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 15:18:55,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 15:18:55,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 15:18:55,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 15:18:55,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 15:18:55,224 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 15:18:55,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 15:18:55,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 15:18:55,225 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 15:18:55,225 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 15:18:55,225 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 15:18:55,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 15:18:55,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 15:18:55,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 15:18:55,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 15:18:55,227 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 15:18:55,227 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 15:18:55,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 15:18:55,227 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 15:18:55,228 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 15:18:55,228 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 15:18:55,228 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 15:18:55,228 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09c104d62ffc45fecdd321fcd218065640bd0081501b6da04b741d2fcf55e306 [2024-11-22 15:18:55,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 15:18:55,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 15:18:55,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 15:18:55,481 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 15:18:55,482 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 15:18:55,483 INFO L431 ainManager$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 [2024-11-22 15:18:56,892 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 15:18:57,232 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 15:18:57,233 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 [2024-11-22 15:18:57,279 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3acefa5c/d7742a044a1e42149dcb171afdf1fcbd/FLAG891efdffa [2024-11-22 15:18:57,439 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3acefa5c/d7742a044a1e42149dcb171afdf1fcbd [2024-11-22 15:18:57,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 15:18:57,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 15:18:57,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 15:18:57,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 15:18:57,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 15:18:57,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:18:57" (1/1) ... [2024-11-22 15:18:57,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9b77b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:57, skipping insertion in model container [2024-11-22 15:18:57,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:18:57" (1/1) ... [2024-11-22 15:18:57,567 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 15:18:58,193 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] [2024-11-22 15:18:58,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 15:18:58,555 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 15:18:58,644 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] [2024-11-22 15:18:58,698 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] [2024-11-22 15:18:58,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 15:18:58,938 INFO L204 MainTranslator]: Completed translation [2024-11-22 15:18:58,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:58 WrapperNode [2024-11-22 15:18:58,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 15:18:58,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 15:18:58,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 15:18:58,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 15:18:58,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:58" (1/1) ... [2024-11-22 15:18:58,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:58" (1/1) ... [2024-11-22 15:18:59,080 INFO L138 Inliner]: procedures = 187, calls = 879, calls flagged for inlining = 75, calls inlined = 64, statements flattened = 2427 [2024-11-22 15:18:59,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 15:18:59,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 15:18:59,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 15:18:59,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 15:18:59,090 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:58" (1/1) ... [2024-11-22 15:18:59,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:58" (1/1) ... [2024-11-22 15:18:59,109 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:58" (1/1) ... [2024-11-22 15:18:59,333 INFO L175 MemorySlicer]: Split 387 memory accesses to 16 slices as follows [2, 6, 41, 3, 5, 14, 20, 6, 2, 16, 6, 2, 245, 2, 2, 15]. 63 percent of accesses are in the largest equivalence class. The 55 initializations are split as follows [2, 6, 0, 0, 0, 0, 15, 0, 0, 16, 6, 0, 2, 0, 0, 8]. The 172 writes are split as follows [0, 0, 41, 3, 0, 12, 2, 2, 1, 0, 0, 1, 107, 2, 1, 0]. [2024-11-22 15:18:59,334 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:58" (1/1) ... [2024-11-22 15:18:59,334 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:58" (1/1) ... [2024-11-22 15:18:59,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:58" (1/1) ... [2024-11-22 15:18:59,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:58" (1/1) ... [2024-11-22 15:18:59,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:58" (1/1) ... [2024-11-22 15:18:59,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:58" (1/1) ... [2024-11-22 15:18:59,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 15:18:59,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 15:18:59,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 15:18:59,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 15:18:59,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:58" (1/1) ... [2024-11-22 15:18:59,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 15:18:59,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:18:59,476 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) [2024-11-22 15:18:59,477 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 [2024-11-22 15:18:59,512 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2024-11-22 15:18:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2024-11-22 15:18:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-22 15:18:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-22 15:18:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2024-11-22 15:18:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2024-11-22 15:18:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-22 15:18:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-22 15:18:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 15:18:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 15:18:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 15:18:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 15:18:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 15:18:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 15:18:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 15:18:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-22 15:18:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-22 15:18:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-22 15:18:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-22 15:18:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-22 15:18:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-22 15:18:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-22 15:18:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-22 15:18:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-22 15:18:59,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-22 15:18:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-22 15:18:59,517 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2024-11-22 15:18:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2024-11-22 15:18:59,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 15:18:59,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 15:18:59,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 15:18:59,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 15:18:59,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 15:18:59,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 15:18:59,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 15:18:59,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-22 15:18:59,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-22 15:18:59,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-22 15:18:59,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-22 15:18:59,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-22 15:18:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-22 15:18:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-22 15:18:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-22 15:18:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-22 15:18:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-22 15:18:59,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-22 15:18:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 15:18:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 15:18:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 15:18:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 15:18:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 15:18:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 15:18:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 15:18:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 15:18:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 15:18:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-22 15:18:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-22 15:18:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-22 15:18:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-22 15:18:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-22 15:18:59,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-22 15:18:59,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-22 15:18:59,520 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2024-11-22 15:18:59,520 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2024-11-22 15:18:59,520 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2024-11-22 15:18:59,520 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2024-11-22 15:18:59,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-11-22 15:18:59,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-11-22 15:18:59,520 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2024-11-22 15:18:59,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2024-11-22 15:18:59,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-22 15:18:59,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-22 15:18:59,521 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2024-11-22 15:18:59,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2024-11-22 15:18:59,522 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2024-11-22 15:18:59,522 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2024-11-22 15:18:59,522 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2024-11-22 15:18:59,522 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2024-11-22 15:18:59,522 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2024-11-22 15:18:59,522 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2024-11-22 15:18:59,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-11-22 15:18:59,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-11-22 15:18:59,522 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-22 15:18:59,522 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-22 15:18:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2024-11-22 15:18:59,523 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2024-11-22 15:18:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2024-11-22 15:18:59,523 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2024-11-22 15:18:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-22 15:18:59,523 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-22 15:18:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-22 15:18:59,523 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-22 15:18:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 15:18:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 15:18:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 15:18:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 15:18:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 15:18:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 15:18:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 15:18:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 15:18:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 15:18:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-22 15:18:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-22 15:18:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-22 15:18:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-22 15:18:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-22 15:18:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-22 15:18:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-22 15:18:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-22 15:18:59,525 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-22 15:18:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-22 15:18:59,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-22 15:18:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2024-11-22 15:18:59,526 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2024-11-22 15:18:59,526 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-22 15:18:59,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-22 15:18:59,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-22 15:18:59,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-22 15:18:59,526 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2024-11-22 15:18:59,526 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2024-11-22 15:18:59,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-22 15:18:59,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-22 15:18:59,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-22 15:18:59,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-22 15:18:59,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-22 15:18:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-22 15:18:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-22 15:18:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-22 15:18:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-22 15:18:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-22 15:18:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-22 15:18:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-22 15:18:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-22 15:18:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-22 15:18:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-22 15:18:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-22 15:18:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-22 15:18:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-22 15:18:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-22 15:18:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-22 15:18:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-22 15:18:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-22 15:18:59,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-22 15:18:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-22 15:18:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-22 15:18:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-22 15:18:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-22 15:18:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-22 15:18:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-22 15:18:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-22 15:18:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-22 15:18:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-22 15:18:59,529 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 15:18:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 15:18:59,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 15:18:59,529 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2024-11-22 15:18:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2024-11-22 15:18:59,529 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-22 15:18:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-22 15:18:59,529 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-22 15:18:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-22 15:18:59,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 15:18:59,529 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2024-11-22 15:18:59,529 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2024-11-22 15:18:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 15:18:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 15:18:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 15:18:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 15:18:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 15:18:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 15:18:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 15:18:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 15:18:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-22 15:18:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-22 15:18:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-22 15:18:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-22 15:18:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-22 15:18:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-22 15:18:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-22 15:18:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-22 15:18:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-22 15:18:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-22 15:18:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-22 15:18:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2024-11-22 15:18:59,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2024-11-22 15:18:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-22 15:18:59,531 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-22 15:18:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 15:18:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 15:18:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 15:18:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 15:18:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 15:18:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 15:18:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 15:18:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-22 15:18:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-22 15:18:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-22 15:18:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-22 15:18:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-22 15:18:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-22 15:18:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-22 15:18:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-22 15:18:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-22 15:18:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-11-22 15:18:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-11-22 15:18:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-22 15:18:59,533 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-22 15:18:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-22 15:18:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-22 15:18:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-22 15:18:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-22 15:18:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2024-11-22 15:18:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2024-11-22 15:18:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2024-11-22 15:18:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2024-11-22 15:18:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-22 15:18:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-22 15:18:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2024-11-22 15:18:59,534 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2024-11-22 15:18:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-11-22 15:18:59,535 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-11-22 15:18:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 15:18:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 15:18:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 15:18:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 15:18:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 15:18:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 15:18:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 15:18:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 15:18:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-22 15:18:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-22 15:18:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-22 15:18:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-22 15:18:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-22 15:18:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-22 15:18:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-22 15:18:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-22 15:18:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-22 15:18:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2024-11-22 15:18:59,536 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2024-11-22 15:18:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-22 15:18:59,536 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-22 15:18:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-22 15:18:59,536 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-22 15:18:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2024-11-22 15:18:59,536 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2024-11-22 15:18:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2024-11-22 15:18:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2024-11-22 15:18:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2024-11-22 15:18:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2024-11-22 15:18:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-22 15:18:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-22 15:18:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-22 15:18:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-22 15:18:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-22 15:18:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-22 15:18:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-22 15:18:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-22 15:18:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2024-11-22 15:18:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2024-11-22 15:18:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2024-11-22 15:18:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2024-11-22 15:18:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 15:18:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 15:18:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 15:18:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 15:18:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 15:18:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 15:18:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 15:18:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 15:18:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 15:18:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-22 15:18:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-22 15:18:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-22 15:18:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-22 15:18:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-22 15:18:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-22 15:18:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-22 15:18:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2024-11-22 15:18:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2024-11-22 15:18:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-22 15:18:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-22 15:18:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-22 15:18:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-22 15:18:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 15:18:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 15:18:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2024-11-22 15:18:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2024-11-22 15:18:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2024-11-22 15:18:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2024-11-22 15:18:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-22 15:18:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-22 15:18:59,923 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 15:18:59,925 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 15:19:00,008 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-22 15:19:05,987 INFO L? ?]: Removed 989 outVars from TransFormulas that were not future-live. [2024-11-22 15:19:05,987 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 15:19:06,011 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 15:19:06,011 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-22 15:19:06,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:19:06 BoogieIcfgContainer [2024-11-22 15:19:06,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 15:19:06,013 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 15:19:06,014 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 15:19:06,016 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 15:19:06,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:18:57" (1/3) ... [2024-11-22 15:19:06,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db48f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:19:06, skipping insertion in model container [2024-11-22 15:19:06,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:58" (2/3) ... [2024-11-22 15:19:06,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db48f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:19:06, skipping insertion in model container [2024-11-22 15:19:06,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:19:06" (3/3) ... [2024-11-22 15:19:06,018 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 [2024-11-22 15:19:06,031 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 15:19:06,032 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 15:19:06,112 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 15:19:06,117 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;@5ad1217d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 15:19:06,117 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 15:19:06,124 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) [2024-11-22 15:19:06,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-22 15:19:06,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:06,134 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] [2024-11-22 15:19:06,135 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:06,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:06,138 INFO L85 PathProgramCache]: Analyzing trace with hash 2024750634, now seen corresponding path program 1 times [2024-11-22 15:19:06,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:06,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341477498] [2024-11-22 15:19:06,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:06,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:07,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 15:19:07,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:07,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341477498] [2024-11-22 15:19:07,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341477498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:19:07,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:19:07,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 15:19:07,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866719013] [2024-11-22 15:19:07,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:19:07,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 15:19:07,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:07,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 15:19:07,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:19:07,029 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) [2024-11-22 15:19:07,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:19:07,324 INFO L93 Difference]: Finished difference Result 2910 states and 4112 transitions. [2024-11-22 15:19:07,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 15:19:07,327 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 [2024-11-22 15:19:07,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:19:07,404 INFO L225 Difference]: With dead ends: 2910 [2024-11-22 15:19:07,405 INFO L226 Difference]: Without dead ends: 1887 [2024-11-22 15:19:07,413 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 [2024-11-22 15:19:07,416 INFO L432 NwaCegarLoop]: 1325 mSDtfsCounter, 1308 mSDsluCounter, 3959 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1308 SdHoareTripleChecker+Valid, 5284 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:19:07,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1308 Valid, 5284 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 15:19:07,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2024-11-22 15:19:07,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1883. [2024-11-22 15:19:07,575 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) [2024-11-22 15:19:07,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1883 states and 2577 transitions. [2024-11-22 15:19:07,591 INFO L78 Accepts]: Start accepts. Automaton has 1883 states and 2577 transitions. Word has length 32 [2024-11-22 15:19:07,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:19:07,594 INFO L471 AbstractCegarLoop]: Abstraction has 1883 states and 2577 transitions. [2024-11-22 15:19:07,594 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) [2024-11-22 15:19:07,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2577 transitions. [2024-11-22 15:19:07,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-22 15:19:07,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:07,609 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] [2024-11-22 15:19:07,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 15:19:07,609 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:07,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:07,610 INFO L85 PathProgramCache]: Analyzing trace with hash 306087641, now seen corresponding path program 1 times [2024-11-22 15:19:07,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:07,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655782835] [2024-11-22 15:19:07,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:07,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:08,117 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 15:19:08,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:08,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655782835] [2024-11-22 15:19:08,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655782835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:19:08,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:19:08,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:19:08,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708075995] [2024-11-22 15:19:08,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:19:08,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:19:08,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:08,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:19:08,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:19:08,123 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) [2024-11-22 15:19:08,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:19:08,304 INFO L93 Difference]: Finished difference Result 3854 states and 5261 transitions. [2024-11-22 15:19:08,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:19:08,305 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 [2024-11-22 15:19:08,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:19:08,316 INFO L225 Difference]: With dead ends: 3854 [2024-11-22 15:19:08,316 INFO L226 Difference]: Without dead ends: 1979 [2024-11-22 15:19:08,322 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 [2024-11-22 15:19:08,323 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:19:08,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 2596 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 15:19:08,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1979 states. [2024-11-22 15:19:08,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1979 to 1970. [2024-11-22 15:19:08,371 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) [2024-11-22 15:19:08,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1970 states and 2684 transitions. [2024-11-22 15:19:08,382 INFO L78 Accepts]: Start accepts. Automaton has 1970 states and 2684 transitions. Word has length 77 [2024-11-22 15:19:08,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:19:08,382 INFO L471 AbstractCegarLoop]: Abstraction has 1970 states and 2684 transitions. [2024-11-22 15:19:08,383 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) [2024-11-22 15:19:08,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1970 states and 2684 transitions. [2024-11-22 15:19:08,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-22 15:19:08,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:08,389 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] [2024-11-22 15:19:08,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 15:19:08,390 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:08,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:08,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1072860917, now seen corresponding path program 1 times [2024-11-22 15:19:08,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:08,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358069353] [2024-11-22 15:19:08,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:08,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:08,782 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 15:19:08,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:08,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358069353] [2024-11-22 15:19:08,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358069353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:19:08,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:19:08,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:19:08,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158148074] [2024-11-22 15:19:08,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:19:08,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:19:08,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:08,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:19:08,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:19:08,785 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) [2024-11-22 15:19:12,799 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 [] [2024-11-22 15:19:13,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:19:13,029 INFO L93 Difference]: Finished difference Result 5410 states and 7350 transitions. [2024-11-22 15:19:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:19:13,030 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 [2024-11-22 15:19:13,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:19:13,046 INFO L225 Difference]: With dead ends: 5410 [2024-11-22 15:19:13,046 INFO L226 Difference]: Without dead ends: 3469 [2024-11-22 15:19:13,054 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 [2024-11-22 15:19:13,055 INFO L432 NwaCegarLoop]: 1453 mSDtfsCounter, 1186 mSDsluCounter, 1053 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 37 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:19:13,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1186 Valid, 2506 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-22 15:19:13,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3469 states. [2024-11-22 15:19:13,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3469 to 3460. [2024-11-22 15:19:13,146 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) [2024-11-22 15:19:13,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3460 states to 3460 states and 4650 transitions. [2024-11-22 15:19:13,163 INFO L78 Accepts]: Start accepts. Automaton has 3460 states and 4650 transitions. Word has length 101 [2024-11-22 15:19:13,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:19:13,164 INFO L471 AbstractCegarLoop]: Abstraction has 3460 states and 4650 transitions. [2024-11-22 15:19:13,164 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) [2024-11-22 15:19:13,164 INFO L276 IsEmpty]: Start isEmpty. Operand 3460 states and 4650 transitions. [2024-11-22 15:19:13,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-22 15:19:13,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:13,168 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] [2024-11-22 15:19:13,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 15:19:13,169 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:13,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:13,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1864526549, now seen corresponding path program 1 times [2024-11-22 15:19:13,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:13,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513493351] [2024-11-22 15:19:13,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:13,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:13,606 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-22 15:19:13,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:13,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513493351] [2024-11-22 15:19:13,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513493351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:19:13,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:19:13,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:19:13,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647827198] [2024-11-22 15:19:13,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:19:13,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:19:13,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:13,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:19:13,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:19:13,611 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) [2024-11-22 15:19:13,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:19:13,680 INFO L93 Difference]: Finished difference Result 5224 states and 7033 transitions. [2024-11-22 15:19:13,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:19:13,680 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 [2024-11-22 15:19:13,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:19:13,703 INFO L225 Difference]: With dead ends: 5224 [2024-11-22 15:19:13,703 INFO L226 Difference]: Without dead ends: 3464 [2024-11-22 15:19:13,717 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 [2024-11-22 15:19:13,717 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 [2024-11-22 15:19:13,718 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] [2024-11-22 15:19:13,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3464 states. [2024-11-22 15:19:13,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3464 to 3464. [2024-11-22 15:19:13,862 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) [2024-11-22 15:19:13,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3464 states to 3464 states and 4654 transitions. [2024-11-22 15:19:13,874 INFO L78 Accepts]: Start accepts. Automaton has 3464 states and 4654 transitions. Word has length 101 [2024-11-22 15:19:13,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:19:13,875 INFO L471 AbstractCegarLoop]: Abstraction has 3464 states and 4654 transitions. [2024-11-22 15:19:13,875 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) [2024-11-22 15:19:13,877 INFO L276 IsEmpty]: Start isEmpty. Operand 3464 states and 4654 transitions. [2024-11-22 15:19:13,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 15:19:13,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:13,882 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] [2024-11-22 15:19:13,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 15:19:13,882 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:13,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:13,882 INFO L85 PathProgramCache]: Analyzing trace with hash -2021608300, now seen corresponding path program 1 times [2024-11-22 15:19:13,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:13,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285101662] [2024-11-22 15:19:13,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:13,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:14,631 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-22 15:19:14,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:14,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285101662] [2024-11-22 15:19:14,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285101662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:19:14,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:19:14,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 15:19:14,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858749652] [2024-11-22 15:19:14,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:19:14,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 15:19:14,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:14,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 15:19:14,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-22 15:19:14,633 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) [2024-11-22 15:19:18,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:19:22,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:19:27,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:19:27,812 INFO L93 Difference]: Finished difference Result 7699 states and 10391 transitions. [2024-11-22 15:19:27,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 15:19:27,813 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 [2024-11-22 15:19:27,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:19:27,838 INFO L225 Difference]: With dead ends: 7699 [2024-11-22 15:19:27,838 INFO L226 Difference]: Without dead ends: 4264 [2024-11-22 15:19:27,847 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 [2024-11-22 15:19:27,849 INFO L432 NwaCegarLoop]: 655 mSDtfsCounter, 4440 mSDsluCounter, 1715 mSDsCounter, 0 mSdLazyCounter, 4049 mSolverCounterSat, 1577 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4676 SdHoareTripleChecker+Valid, 2370 SdHoareTripleChecker+Invalid, 5628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1577 IncrementalHoareTripleChecker+Valid, 4049 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-11-22 15:19:27,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4676 Valid, 2370 Invalid, 5628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1577 Valid, 4049 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2024-11-22 15:19:27,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4264 states. [2024-11-22 15:19:27,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4264 to 4216. [2024-11-22 15:19:27,951 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) [2024-11-22 15:19:27,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4216 states to 4216 states and 5683 transitions. [2024-11-22 15:19:27,965 INFO L78 Accepts]: Start accepts. Automaton has 4216 states and 5683 transitions. Word has length 103 [2024-11-22 15:19:27,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:19:27,965 INFO L471 AbstractCegarLoop]: Abstraction has 4216 states and 5683 transitions. [2024-11-22 15:19:27,966 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) [2024-11-22 15:19:27,966 INFO L276 IsEmpty]: Start isEmpty. Operand 4216 states and 5683 transitions. [2024-11-22 15:19:27,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-22 15:19:27,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:27,971 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] [2024-11-22 15:19:27,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 15:19:27,972 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:27,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:27,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1796621615, now seen corresponding path program 1 times [2024-11-22 15:19:27,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:27,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535745210] [2024-11-22 15:19:27,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:27,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:28,563 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 15:19:28,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:28,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535745210] [2024-11-22 15:19:28,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535745210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:19:28,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:19:28,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 15:19:28,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440047668] [2024-11-22 15:19:28,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:19:28,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 15:19:28,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:28,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 15:19:28,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:19:28,566 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) [2024-11-22 15:19:28,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:19:28,666 INFO L93 Difference]: Finished difference Result 8429 states and 11415 transitions. [2024-11-22 15:19:28,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 15:19:28,666 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 [2024-11-22 15:19:28,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:19:28,687 INFO L225 Difference]: With dead ends: 8429 [2024-11-22 15:19:28,687 INFO L226 Difference]: Without dead ends: 4242 [2024-11-22 15:19:28,699 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 [2024-11-22 15:19:28,700 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 [2024-11-22 15:19:28,701 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] [2024-11-22 15:19:28,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4242 states. [2024-11-22 15:19:28,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4242 to 4240. [2024-11-22 15:19:28,879 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) [2024-11-22 15:19:28,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4240 states to 4240 states and 5711 transitions. [2024-11-22 15:19:28,895 INFO L78 Accepts]: Start accepts. Automaton has 4240 states and 5711 transitions. Word has length 131 [2024-11-22 15:19:28,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:19:28,895 INFO L471 AbstractCegarLoop]: Abstraction has 4240 states and 5711 transitions. [2024-11-22 15:19:28,896 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) [2024-11-22 15:19:28,896 INFO L276 IsEmpty]: Start isEmpty. Operand 4240 states and 5711 transitions. [2024-11-22 15:19:28,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-22 15:19:28,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:28,902 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] [2024-11-22 15:19:28,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 15:19:28,902 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:28,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:28,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1978157551, now seen corresponding path program 1 times [2024-11-22 15:19:28,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:28,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492633767] [2024-11-22 15:19:28,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:28,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:29,320 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-22 15:19:29,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:29,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492633767] [2024-11-22 15:19:29,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492633767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:19:29,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:19:29,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:19:29,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638551689] [2024-11-22 15:19:29,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:19:29,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:19:29,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:29,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:19:29,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:19:29,323 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) [2024-11-22 15:19:33,335 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 [] [2024-11-22 15:19:33,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:19:33,535 INFO L93 Difference]: Finished difference Result 8440 states and 11373 transitions. [2024-11-22 15:19:33,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:19:33,536 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 [2024-11-22 15:19:33,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:19:33,562 INFO L225 Difference]: With dead ends: 8440 [2024-11-22 15:19:33,563 INFO L226 Difference]: Without dead ends: 4216 [2024-11-22 15:19:33,575 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 [2024-11-22 15:19:33,576 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, 4.0s IncrementalHoareTripleChecker+Time [2024-11-22 15:19:33,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1263 Valid, 1399 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-22 15:19:33,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4216 states. [2024-11-22 15:19:33,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4216 to 4216. [2024-11-22 15:19:33,730 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) [2024-11-22 15:19:33,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4216 states to 4216 states and 5664 transitions. [2024-11-22 15:19:33,744 INFO L78 Accepts]: Start accepts. Automaton has 4216 states and 5664 transitions. Word has length 152 [2024-11-22 15:19:33,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:19:33,745 INFO L471 AbstractCegarLoop]: Abstraction has 4216 states and 5664 transitions. [2024-11-22 15:19:33,745 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) [2024-11-22 15:19:33,745 INFO L276 IsEmpty]: Start isEmpty. Operand 4216 states and 5664 transitions. [2024-11-22 15:19:33,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-22 15:19:33,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:33,751 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] [2024-11-22 15:19:33,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 15:19:33,751 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:33,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:33,752 INFO L85 PathProgramCache]: Analyzing trace with hash -295648864, now seen corresponding path program 1 times [2024-11-22 15:19:33,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:33,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908946973] [2024-11-22 15:19:33,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:33,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:34,618 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-22 15:19:34,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:34,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908946973] [2024-11-22 15:19:34,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908946973] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:19:34,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222860160] [2024-11-22 15:19:34,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:34,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:19:34,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:19:34,621 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) [2024-11-22 15:19:34,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 15:19:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:35,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 1780 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 15:19:35,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:19:35,731 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 15:19:35,732 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 15:19:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-22 15:19:36,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222860160] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 15:19:36,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-22 15:19:36,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 8] total 21 [2024-11-22 15:19:36,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314830727] [2024-11-22 15:19:36,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:19:36,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 15:19:36,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:36,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 15:19:36,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2024-11-22 15:19:36,452 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) [2024-11-22 15:19:40,473 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 [] [2024-11-22 15:19:44,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:19:48,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:19:55,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:19:55,613 INFO L93 Difference]: Finished difference Result 9707 states and 13311 transitions. [2024-11-22 15:19:55,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 15:19:55,614 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 [2024-11-22 15:19:55,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:19:55,649 INFO L225 Difference]: With dead ends: 9707 [2024-11-22 15:19:55,650 INFO L226 Difference]: Without dead ends: 7188 [2024-11-22 15:19:55,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 313 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2024-11-22 15:19:55,659 INFO L432 NwaCegarLoop]: 1119 mSDtfsCounter, 4907 mSDsluCounter, 2762 mSDsCounter, 0 mSdLazyCounter, 5493 mSolverCounterSat, 1815 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5043 SdHoareTripleChecker+Valid, 3881 SdHoareTripleChecker+Invalid, 7311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1815 IncrementalHoareTripleChecker+Valid, 5493 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2024-11-22 15:19:55,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5043 Valid, 3881 Invalid, 7311 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1815 Valid, 5493 Invalid, 3 Unknown, 0 Unchecked, 18.5s Time] [2024-11-22 15:19:55,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7188 states. [2024-11-22 15:19:55,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7188 to 6145. [2024-11-22 15:19:55,869 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) [2024-11-22 15:19:55,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6145 states to 6145 states and 8304 transitions. [2024-11-22 15:19:55,889 INFO L78 Accepts]: Start accepts. Automaton has 6145 states and 8304 transitions. Word has length 160 [2024-11-22 15:19:55,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:19:55,889 INFO L471 AbstractCegarLoop]: Abstraction has 6145 states and 8304 transitions. [2024-11-22 15:19:55,889 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) [2024-11-22 15:19:55,889 INFO L276 IsEmpty]: Start isEmpty. Operand 6145 states and 8304 transitions. [2024-11-22 15:19:55,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-22 15:19:55,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:55,902 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] [2024-11-22 15:19:55,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 15:19:56,103 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 [2024-11-22 15:19:56,103 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:56,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:56,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1251015423, now seen corresponding path program 1 times [2024-11-22 15:19:56,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:56,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531662162] [2024-11-22 15:19:56,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:56,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:56,681 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-22 15:19:56,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:56,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531662162] [2024-11-22 15:19:56,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531662162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:19:56,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:19:56,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 15:19:56,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783616253] [2024-11-22 15:19:56,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:19:56,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 15:19:56,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:56,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 15:19:56,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:19:56,684 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) [2024-11-22 15:19:56,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:19:56,859 INFO L93 Difference]: Finished difference Result 10609 states and 14392 transitions. [2024-11-22 15:19:56,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 15:19:56,860 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 [2024-11-22 15:19:56,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:19:56,890 INFO L225 Difference]: With dead ends: 10609 [2024-11-22 15:19:56,890 INFO L226 Difference]: Without dead ends: 6161 [2024-11-22 15:19:56,902 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 [2024-11-22 15:19:56,903 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 [2024-11-22 15:19:56,903 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] [2024-11-22 15:19:56,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6161 states. [2024-11-22 15:19:57,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6161 to 6159. [2024-11-22 15:19:57,129 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) [2024-11-22 15:19:57,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6159 states to 6159 states and 8324 transitions. [2024-11-22 15:19:57,147 INFO L78 Accepts]: Start accepts. Automaton has 6159 states and 8324 transitions. Word has length 162 [2024-11-22 15:19:57,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:19:57,148 INFO L471 AbstractCegarLoop]: Abstraction has 6159 states and 8324 transitions. [2024-11-22 15:19:57,148 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) [2024-11-22 15:19:57,148 INFO L276 IsEmpty]: Start isEmpty. Operand 6159 states and 8324 transitions. [2024-11-22 15:19:57,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-22 15:19:57,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:57,154 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] [2024-11-22 15:19:57,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 15:19:57,154 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:57,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:57,155 INFO L85 PathProgramCache]: Analyzing trace with hash 279115976, now seen corresponding path program 1 times [2024-11-22 15:19:57,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:57,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007602733] [2024-11-22 15:19:57,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:57,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:57,743 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 15:19:57,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:57,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007602733] [2024-11-22 15:19:57,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007602733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:19:57,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:19:57,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 15:19:57,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321414417] [2024-11-22 15:19:57,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:19:57,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 15:19:57,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:57,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 15:19:57,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:19:57,745 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) [2024-11-22 15:19:58,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:19:58,031 INFO L93 Difference]: Finished difference Result 12322 states and 16708 transitions. [2024-11-22 15:19:58,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 15:19:58,031 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 [2024-11-22 15:19:58,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:19:58,056 INFO L225 Difference]: With dead ends: 12322 [2024-11-22 15:19:58,056 INFO L226 Difference]: Without dead ends: 6215 [2024-11-22 15:19:58,075 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 [2024-11-22 15:19:58,076 INFO L432 NwaCegarLoop]: 1306 mSDtfsCounter, 1 mSDsluCounter, 2596 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:19:58,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3902 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 15:19:58,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6215 states. [2024-11-22 15:19:58,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6215 to 6207. [2024-11-22 15:19:58,263 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) [2024-11-22 15:19:58,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6207 states to 6207 states and 8372 transitions. [2024-11-22 15:19:58,284 INFO L78 Accepts]: Start accepts. Automaton has 6207 states and 8372 transitions. Word has length 164 [2024-11-22 15:19:58,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:19:58,284 INFO L471 AbstractCegarLoop]: Abstraction has 6207 states and 8372 transitions. [2024-11-22 15:19:58,285 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) [2024-11-22 15:19:58,285 INFO L276 IsEmpty]: Start isEmpty. Operand 6207 states and 8372 transitions. [2024-11-22 15:19:58,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-22 15:19:58,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:58,292 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] [2024-11-22 15:19:58,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 15:19:58,292 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:58,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:58,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1946208915, now seen corresponding path program 1 times [2024-11-22 15:19:58,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:58,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094743942] [2024-11-22 15:19:58,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:58,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 15:19:58,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:58,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094743942] [2024-11-22 15:19:58,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094743942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:19:58,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:19:58,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 15:19:58,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536649520] [2024-11-22 15:19:58,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:19:58,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 15:19:58,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:58,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 15:19:58,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:19:58,901 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) [2024-11-22 15:19:59,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:19:59,112 INFO L93 Difference]: Finished difference Result 12418 states and 16804 transitions. [2024-11-22 15:19:59,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 15:19:59,113 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 [2024-11-22 15:19:59,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:19:59,138 INFO L225 Difference]: With dead ends: 12418 [2024-11-22 15:19:59,139 INFO L226 Difference]: Without dead ends: 6263 [2024-11-22 15:19:59,153 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 [2024-11-22 15:19:59,154 INFO L432 NwaCegarLoop]: 1310 mSDtfsCounter, 1 mSDsluCounter, 2599 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 15:19:59,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3909 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 15:19:59,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6263 states. [2024-11-22 15:19:59,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6263 to 6207. [2024-11-22 15:19:59,474 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) [2024-11-22 15:19:59,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6207 states to 6207 states and 8372 transitions. [2024-11-22 15:19:59,500 INFO L78 Accepts]: Start accepts. Automaton has 6207 states and 8372 transitions. Word has length 165 [2024-11-22 15:19:59,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:19:59,501 INFO L471 AbstractCegarLoop]: Abstraction has 6207 states and 8372 transitions. [2024-11-22 15:19:59,501 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) [2024-11-22 15:19:59,501 INFO L276 IsEmpty]: Start isEmpty. Operand 6207 states and 8372 transitions. [2024-11-22 15:19:59,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-22 15:19:59,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:59,509 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] [2024-11-22 15:19:59,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 15:19:59,510 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:59,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:59,510 INFO L85 PathProgramCache]: Analyzing trace with hash -773122427, now seen corresponding path program 1 times [2024-11-22 15:19:59,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:59,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75986406] [2024-11-22 15:19:59,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:59,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:20:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-22 15:20:00,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:20:00,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75986406] [2024-11-22 15:20:00,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75986406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:20:00,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:20:00,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 15:20:00,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490912330] [2024-11-22 15:20:00,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:20:00,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 15:20:00,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:20:00,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 15:20:00,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:20:00,225 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) [2024-11-22 15:20:00,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:20:00,536 INFO L93 Difference]: Finished difference Result 12374 states and 16724 transitions. [2024-11-22 15:20:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 15:20:00,537 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 [2024-11-22 15:20:00,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:20:00,563 INFO L225 Difference]: With dead ends: 12374 [2024-11-22 15:20:00,563 INFO L226 Difference]: Without dead ends: 6219 [2024-11-22 15:20:00,576 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 [2024-11-22 15:20:00,577 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 [2024-11-22 15:20:00,577 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] [2024-11-22 15:20:00,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6219 states. [2024-11-22 15:20:00,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6219 to 6219. [2024-11-22 15:20:00,773 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) [2024-11-22 15:20:00,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6219 states to 6219 states and 8384 transitions. [2024-11-22 15:20:00,802 INFO L78 Accepts]: Start accepts. Automaton has 6219 states and 8384 transitions. Word has length 166 [2024-11-22 15:20:00,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:20:00,803 INFO L471 AbstractCegarLoop]: Abstraction has 6219 states and 8384 transitions. [2024-11-22 15:20:00,803 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) [2024-11-22 15:20:00,803 INFO L276 IsEmpty]: Start isEmpty. Operand 6219 states and 8384 transitions. [2024-11-22 15:20:00,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-22 15:20:00,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:20:00,810 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] [2024-11-22 15:20:00,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 15:20:00,810 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:20:00,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:20:00,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1683628228, now seen corresponding path program 1 times [2024-11-22 15:20:00,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:20:00,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12363155] [2024-11-22 15:20:00,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:20:00,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:20:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:20:02,748 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-22 15:20:02,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:20:02,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12363155] [2024-11-22 15:20:02,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12363155] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:20:02,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341186605] [2024-11-22 15:20:02,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:20:02,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:20:02,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:20:02,753 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 15:20:02,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 15:20:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:20:03,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 1794 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-22 15:20:03,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:20:03,869 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-22 15:20:03,869 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 15:20:04,633 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-22 15:20:04,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341186605] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 15:20:04,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 15:20:04,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 12] total 24 [2024-11-22 15:20:04,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011799832] [2024-11-22 15:20:04,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 15:20:04,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-22 15:20:04,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:20:04,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-22 15:20:04,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=496, Unknown=0, NotChecked=0, Total=552 [2024-11-22 15:20:04,635 INFO L87 Difference]: Start difference. First operand 6219 states and 8384 transitions. Second operand has 24 states, 22 states have (on average 6.954545454545454) internal successors, (153), 18 states have internal predecessors, (153), 6 states have call successors, (27), 2 states have call predecessors, (27), 7 states have return successors, (28), 8 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-22 15:20:05,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:20:05,084 INFO L93 Difference]: Finished difference Result 12586 states and 17033 transitions. [2024-11-22 15:20:05,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 15:20:05,085 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 6.954545454545454) internal successors, (153), 18 states have internal predecessors, (153), 6 states have call successors, (27), 2 states have call predecessors, (27), 7 states have return successors, (28), 8 states have call predecessors, (28), 6 states have call successors, (28) Word has length 167 [2024-11-22 15:20:05,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:20:05,109 INFO L225 Difference]: With dead ends: 12586 [2024-11-22 15:20:05,109 INFO L226 Difference]: Without dead ends: 6419 [2024-11-22 15:20:05,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 325 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=496, Unknown=0, NotChecked=0, Total=552 [2024-11-22 15:20:05,124 INFO L432 NwaCegarLoop]: 1322 mSDtfsCounter, 16 mSDsluCounter, 22392 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 23714 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 15:20:05,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 23714 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 15:20:05,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6419 states. [2024-11-22 15:20:05,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6419 to 6277. [2024-11-22 15:20:05,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6277 states, 4629 states have (on average 1.2832145171743357) internal successors, (5940), 4712 states have internal predecessors, (5940), 1197 states have call successors, (1197), 409 states have call predecessors, (1197), 450 states have return successors, (1309), 1210 states have call predecessors, (1309), 1196 states have call successors, (1309) [2024-11-22 15:20:05,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6277 states to 6277 states and 8446 transitions. [2024-11-22 15:20:05,553 INFO L78 Accepts]: Start accepts. Automaton has 6277 states and 8446 transitions. Word has length 167 [2024-11-22 15:20:05,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:20:05,554 INFO L471 AbstractCegarLoop]: Abstraction has 6277 states and 8446 transitions. [2024-11-22 15:20:05,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 6.954545454545454) internal successors, (153), 18 states have internal predecessors, (153), 6 states have call successors, (27), 2 states have call predecessors, (27), 7 states have return successors, (28), 8 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-22 15:20:05,554 INFO L276 IsEmpty]: Start isEmpty. Operand 6277 states and 8446 transitions. [2024-11-22 15:20:05,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-22 15:20:05,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:20:05,563 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:20:05,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 15:20:05,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-22 15:20:05,767 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:20:05,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:20:05,768 INFO L85 PathProgramCache]: Analyzing trace with hash 283752003, now seen corresponding path program 1 times [2024-11-22 15:20:05,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:20:05,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645873187] [2024-11-22 15:20:05,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:20:05,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:20:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:20:06,284 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 15:20:06,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:20:06,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645873187] [2024-11-22 15:20:06,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645873187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:20:06,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:20:06,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 15:20:06,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191848196] [2024-11-22 15:20:06,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:20:06,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 15:20:06,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:20:06,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 15:20:06,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:20:06,286 INFO L87 Difference]: Start difference. First operand 6277 states and 8446 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-22 15:20:06,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:20:06,548 INFO L93 Difference]: Finished difference Result 12526 states and 16892 transitions. [2024-11-22 15:20:06,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 15:20:06,548 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 185 [2024-11-22 15:20:06,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:20:06,575 INFO L225 Difference]: With dead ends: 12526 [2024-11-22 15:20:06,576 INFO L226 Difference]: Without dead ends: 6285 [2024-11-22 15:20:06,588 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 [2024-11-22 15:20:06,589 INFO L432 NwaCegarLoop]: 1308 mSDtfsCounter, 0 mSDsluCounter, 2614 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3922 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 15:20:06,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3922 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 15:20:06,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6285 states. [2024-11-22 15:20:06,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6285 to 6285. [2024-11-22 15:20:06,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6285 states, 4637 states have (on average 1.2827259003666163) internal successors, (5948), 4720 states have internal predecessors, (5948), 1197 states have call successors, (1197), 409 states have call predecessors, (1197), 450 states have return successors, (1309), 1210 states have call predecessors, (1309), 1196 states have call successors, (1309) [2024-11-22 15:20:06,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6285 states to 6285 states and 8454 transitions. [2024-11-22 15:20:06,797 INFO L78 Accepts]: Start accepts. Automaton has 6285 states and 8454 transitions. Word has length 185 [2024-11-22 15:20:06,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:20:06,798 INFO L471 AbstractCegarLoop]: Abstraction has 6285 states and 8454 transitions. [2024-11-22 15:20:06,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-22 15:20:06,798 INFO L276 IsEmpty]: Start isEmpty. Operand 6285 states and 8454 transitions. [2024-11-22 15:20:06,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-22 15:20:06,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:20:06,805 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:20:06,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 15:20:06,806 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:20:06,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:20:06,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1257266348, now seen corresponding path program 1 times [2024-11-22 15:20:06,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:20:06,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342516895] [2024-11-22 15:20:06,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:20:06,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:20:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:20:07,514 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 15:20:07,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:20:07,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342516895] [2024-11-22 15:20:07,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342516895] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:20:07,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077589762] [2024-11-22 15:20:07,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:20:07,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:20:07,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:20:07,518 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 15:20:07,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 15:20:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:20:10,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 1890 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 15:20:10,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:20:10,155 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 15:20:10,156 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 15:20:10,347 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 15:20:10,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077589762] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 15:20:10,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 15:20:10,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-22 15:20:10,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232674081] [2024-11-22 15:20:10,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 15:20:10,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 15:20:10,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:20:10,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 15:20:10,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-22 15:20:10,350 INFO L87 Difference]: Start difference. First operand 6285 states and 8454 transitions. Second operand has 9 states, 9 states have (on average 17.0) internal successors, (153), 9 states have internal predecessors, (153), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-22 15:20:10,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:20:10,570 INFO L93 Difference]: Finished difference Result 12574 states and 16962 transitions. [2024-11-22 15:20:10,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 15:20:10,571 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.0) internal successors, (153), 9 states have internal predecessors, (153), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 186 [2024-11-22 15:20:10,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:20:10,601 INFO L225 Difference]: With dead ends: 12574 [2024-11-22 15:20:10,601 INFO L226 Difference]: Without dead ends: 6309 [2024-11-22 15:20:10,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-22 15:20:10,618 INFO L432 NwaCegarLoop]: 1308 mSDtfsCounter, 0 mSDsluCounter, 3922 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5230 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 15:20:10,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5230 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 15:20:10,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6309 states. [2024-11-22 15:20:10,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6309 to 6309. [2024-11-22 15:20:10,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6309 states, 4661 states have (on average 1.2812701137095044) internal successors, (5972), 4744 states have internal predecessors, (5972), 1197 states have call successors, (1197), 409 states have call predecessors, (1197), 450 states have return successors, (1309), 1210 states have call predecessors, (1309), 1196 states have call successors, (1309) [2024-11-22 15:20:10,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6309 states to 6309 states and 8478 transitions. [2024-11-22 15:20:10,846 INFO L78 Accepts]: Start accepts. Automaton has 6309 states and 8478 transitions. Word has length 186 [2024-11-22 15:20:10,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:20:10,846 INFO L471 AbstractCegarLoop]: Abstraction has 6309 states and 8478 transitions. [2024-11-22 15:20:10,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.0) internal successors, (153), 9 states have internal predecessors, (153), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-22 15:20:10,847 INFO L276 IsEmpty]: Start isEmpty. Operand 6309 states and 8478 transitions. [2024-11-22 15:20:10,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-22 15:20:10,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:20:10,854 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:20:10,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 15:20:11,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:20:11,055 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:20:11,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:20:11,056 INFO L85 PathProgramCache]: Analyzing trace with hash -446297141, now seen corresponding path program 1 times [2024-11-22 15:20:11,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:20:11,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069815713] [2024-11-22 15:20:11,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:20:11,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:20:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:20:11,517 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-22 15:20:11,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:20:11,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069815713] [2024-11-22 15:20:11,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069815713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:20:11,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:20:11,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 15:20:11,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026822989] [2024-11-22 15:20:11,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:20:11,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 15:20:11,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:20:11,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 15:20:11,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 15:20:11,519 INFO L87 Difference]: Start difference. First operand 6309 states and 8478 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-22 15:20:11,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:20:11,810 INFO L93 Difference]: Finished difference Result 12578 states and 17049 transitions. [2024-11-22 15:20:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 15:20:11,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 211 [2024-11-22 15:20:11,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:20:11,842 INFO L225 Difference]: With dead ends: 12578 [2024-11-22 15:20:11,842 INFO L226 Difference]: Without dead ends: 6321 [2024-11-22 15:20:11,857 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 [2024-11-22 15:20:11,857 INFO L432 NwaCegarLoop]: 1303 mSDtfsCounter, 2 mSDsluCounter, 2552 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3855 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:20:11,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3855 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 15:20:11,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6321 states. [2024-11-22 15:20:12,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6321 to 6321. [2024-11-22 15:20:12,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6321 states, 4667 states have (on average 1.2809085065352475) internal successors, (5978), 4756 states have internal predecessors, (5978), 1197 states have call successors, (1197), 409 states have call predecessors, (1197), 456 states have return successors, (1339), 1210 states have call predecessors, (1339), 1196 states have call successors, (1339) [2024-11-22 15:20:12,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6321 states to 6321 states and 8514 transitions. [2024-11-22 15:20:12,075 INFO L78 Accepts]: Start accepts. Automaton has 6321 states and 8514 transitions. Word has length 211 [2024-11-22 15:20:12,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:20:12,077 INFO L471 AbstractCegarLoop]: Abstraction has 6321 states and 8514 transitions. [2024-11-22 15:20:12,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-22 15:20:12,077 INFO L276 IsEmpty]: Start isEmpty. Operand 6321 states and 8514 transitions. [2024-11-22 15:20:12,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-22 15:20:12,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:20:12,087 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:20:12,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 15:20:12,087 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:20:12,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:20:12,087 INFO L85 PathProgramCache]: Analyzing trace with hash -431533257, now seen corresponding path program 1 times [2024-11-22 15:20:12,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:20:12,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289923684] [2024-11-22 15:20:12,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:20:12,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:20:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:20:12,808 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-22 15:20:12,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:20:12,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289923684] [2024-11-22 15:20:12,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289923684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:20:12,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:20:12,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 15:20:12,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112290342] [2024-11-22 15:20:12,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:20:12,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 15:20:12,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:20:12,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 15:20:12,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:20:12,812 INFO L87 Difference]: Start difference. First operand 6321 states and 8514 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-22 15:20:13,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:20:13,171 INFO L93 Difference]: Finished difference Result 12656 states and 17055 transitions. [2024-11-22 15:20:13,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 15:20:13,172 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 211 [2024-11-22 15:20:13,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:20:13,209 INFO L225 Difference]: With dead ends: 12656 [2024-11-22 15:20:13,210 INFO L226 Difference]: Without dead ends: 6387 [2024-11-22 15:20:13,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:20:13,227 INFO L432 NwaCegarLoop]: 1308 mSDtfsCounter, 18 mSDsluCounter, 3889 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 5197 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:20:13,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 5197 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 15:20:13,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6387 states. [2024-11-22 15:20:13,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6387 to 6369. [2024-11-22 15:20:13,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6369 states, 4700 states have (on average 1.2814893617021277) internal successors, (6023), 4789 states have internal predecessors, (6023), 1209 states have call successors, (1209), 412 states have call predecessors, (1209), 459 states have return successors, (1351), 1222 states have call predecessors, (1351), 1208 states have call successors, (1351) [2024-11-22 15:20:13,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6369 states to 6369 states and 8583 transitions. [2024-11-22 15:20:13,604 INFO L78 Accepts]: Start accepts. Automaton has 6369 states and 8583 transitions. Word has length 211 [2024-11-22 15:20:13,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:20:13,605 INFO L471 AbstractCegarLoop]: Abstraction has 6369 states and 8583 transitions. [2024-11-22 15:20:13,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-22 15:20:13,605 INFO L276 IsEmpty]: Start isEmpty. Operand 6369 states and 8583 transitions. [2024-11-22 15:20:13,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-22 15:20:13,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:20:13,616 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:20:13,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 15:20:13,616 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:20:13,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:20:13,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1541680617, now seen corresponding path program 1 times [2024-11-22 15:20:13,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:20:13,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778884528] [2024-11-22 15:20:13,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:20:13,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:20:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:20:15,373 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-22 15:20:15,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:20:15,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778884528] [2024-11-22 15:20:15,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778884528] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:20:15,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666666048] [2024-11-22 15:20:15,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:20:15,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:20:15,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:20:15,378 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 15:20:15,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 15:20:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:20:16,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 1974 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-22 15:20:16,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:20:16,511 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-22 15:20:16,511 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 15:20:17,119 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-22 15:20:17,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666666048] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 15:20:17,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 15:20:17,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 12] total 24 [2024-11-22 15:20:17,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319325454] [2024-11-22 15:20:17,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 15:20:17,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-22 15:20:17,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:20:17,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-22 15:20:17,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=496, Unknown=0, NotChecked=0, Total=552 [2024-11-22 15:20:17,121 INFO L87 Difference]: Start difference. First operand 6369 states and 8583 transitions. Second operand has 24 states, 22 states have (on average 7.181818181818182) internal successors, (158), 18 states have internal predecessors, (158), 6 states have call successors, (33), 2 states have call predecessors, (33), 7 states have return successors, (35), 8 states have call predecessors, (35), 6 states have call successors, (35) [2024-11-22 15:20:17,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:20:17,720 INFO L93 Difference]: Finished difference Result 12736 states and 17179 transitions. [2024-11-22 15:20:17,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 15:20:17,720 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 7.181818181818182) internal successors, (158), 18 states have internal predecessors, (158), 6 states have call successors, (33), 2 states have call predecessors, (33), 7 states have return successors, (35), 8 states have call predecessors, (35), 6 states have call successors, (35) Word has length 211 [2024-11-22 15:20:17,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:20:17,751 INFO L225 Difference]: With dead ends: 12736 [2024-11-22 15:20:17,751 INFO L226 Difference]: Without dead ends: 6419 [2024-11-22 15:20:17,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 413 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=676, Unknown=0, NotChecked=0, Total=756 [2024-11-22 15:20:17,766 INFO L432 NwaCegarLoop]: 1321 mSDtfsCounter, 12 mSDsluCounter, 21031 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 22352 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 15:20:17,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 22352 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 15:20:17,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6419 states. [2024-11-22 15:20:18,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6419 to 6378. [2024-11-22 15:20:18,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6378 states, 4709 states have (on average 1.280951369717562) internal successors, (6032), 4795 states have internal predecessors, (6032), 1209 states have call successors, (1209), 412 states have call predecessors, (1209), 459 states have return successors, (1351), 1225 states have call predecessors, (1351), 1208 states have call successors, (1351) [2024-11-22 15:20:18,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6378 states to 6378 states and 8592 transitions. [2024-11-22 15:20:18,090 INFO L78 Accepts]: Start accepts. Automaton has 6378 states and 8592 transitions. Word has length 211 [2024-11-22 15:20:18,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:20:18,091 INFO L471 AbstractCegarLoop]: Abstraction has 6378 states and 8592 transitions. [2024-11-22 15:20:18,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 7.181818181818182) internal successors, (158), 18 states have internal predecessors, (158), 6 states have call successors, (33), 2 states have call predecessors, (33), 7 states have return successors, (35), 8 states have call predecessors, (35), 6 states have call successors, (35) [2024-11-22 15:20:18,091 INFO L276 IsEmpty]: Start isEmpty. Operand 6378 states and 8592 transitions. [2024-11-22 15:20:18,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-22 15:20:18,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:20:18,098 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:20:18,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0