./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 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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 0.3.0-?-798a7b3-m [2025-03-04 04:00:19,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 04:00:19,939 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 04:00:19,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 04:00:19,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 04:00:19,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 04:00:19,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 04:00:19,967 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 04:00:19,968 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 04:00:19,968 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 04:00:19,969 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 04:00:19,969 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 04:00:19,969 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 04:00:19,969 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 04:00:19,969 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 04:00:19,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 04:00:19,970 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 04:00:19,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 04:00:19,970 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09c104d62ffc45fecdd321fcd218065640bd0081501b6da04b741d2fcf55e306 [2025-03-04 04:00:20,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 04:00:20,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 04:00:20,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 04:00:20,209 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 04:00:20,209 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 04:00:20,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2025-03-04 04:00:21,341 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf3e62ae9/86b0a32bf94f4b70824056786ed3be20/FLAG5cd45b337 [2025-03-04 04:00:21,780 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 04:00:21,782 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2025-03-04 04:00:21,810 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf3e62ae9/86b0a32bf94f4b70824056786ed3be20/FLAG5cd45b337 [2025-03-04 04:00:21,902 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf3e62ae9/86b0a32bf94f4b70824056786ed3be20 [2025-03-04 04:00:21,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 04:00:21,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 04:00:21,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 04:00:21,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 04:00:21,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 04:00:21,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:00:21" (1/1) ... [2025-03-04 04:00:21,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7317c4ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:21, skipping insertion in model container [2025-03-04 04:00:21,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:00:21" (1/1) ... [2025-03-04 04:00:21,970 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 04:00:22,674 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] [2025-03-04 04:00:23,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 04:00:23,155 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 04:00:23,245 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] [2025-03-04 04:00:23,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/net/--X--defaultlinux-3.16-rc1.tar.xz--X--205_9a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/998/dscv_tempdir/dscv/ri/205_9a/drivers/net/phy/dp83640.o.c.prepared"), "i" (952), "i" (12UL)); [6659-6660] [2025-03-04 04:00:23,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 04:00:23,431 INFO L204 MainTranslator]: Completed translation [2025-03-04 04:00:23,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:23 WrapperNode [2025-03-04 04:00:23,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 04:00:23,434 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 04:00:23,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 04:00:23,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 04:00:23,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:23" (1/1) ... [2025-03-04 04:00:23,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:23" (1/1) ... [2025-03-04 04:00:23,555 INFO L138 Inliner]: procedures = 187, calls = 879, calls flagged for inlining = 75, calls inlined = 64, statements flattened = 2377 [2025-03-04 04:00:23,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 04:00:23,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 04:00:23,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 04:00:23,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 04:00:23,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:23" (1/1) ... [2025-03-04 04:00:23,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:23" (1/1) ... [2025-03-04 04:00:23,587 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:23" (1/1) ... [2025-03-04 04:00:23,779 INFO L175 MemorySlicer]: Split 387 memory accesses to 16 slices as follows [2, 2, 6, 41, 245, 5, 2, 2, 6, 16, 6, 3, 14, 20, 15, 2]. 63 percent of accesses are in the largest equivalence class. The 55 initializations are split as follows [2, 0, 6, 0, 2, 0, 0, 0, 6, 16, 0, 0, 0, 15, 8, 0]. The 172 writes are split as follows [0, 1, 0, 41, 107, 0, 1, 2, 0, 0, 2, 3, 12, 2, 0, 1]. [2025-03-04 04:00:23,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:23" (1/1) ... [2025-03-04 04:00:23,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:23" (1/1) ... [2025-03-04 04:00:23,831 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:23" (1/1) ... [2025-03-04 04:00:23,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:23" (1/1) ... [2025-03-04 04:00:23,866 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:23" (1/1) ... [2025-03-04 04:00:23,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:23" (1/1) ... [2025-03-04 04:00:23,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 04:00:23,903 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 04:00:23,903 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 04:00:23,903 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 04:00:23,904 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:23" (1/1) ... [2025-03-04 04:00:23,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 04:00:23,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:00:23,931 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) [2025-03-04 04:00:23,934 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 [2025-03-04 04:00:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2025-03-04 04:00:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-03-04 04:00:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2025-03-04 04:00:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2025-03-04 04:00:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-04 04:00:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2025-03-04 04:00:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 04:00:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-04 04:00:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 04:00:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 04:00:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 04:00:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-04 04:00:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-04 04:00:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-04 04:00:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-04 04:00:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-04 04:00:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2025-03-04 04:00:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2025-03-04 04:00:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2025-03-04 04:00:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2025-03-04 04:00:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2025-03-04 04:00:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2025-03-04 04:00:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2025-03-04 04:00:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2025-03-04 04:00:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-04 04:00:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-04 04:00:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2025-03-04 04:00:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2025-03-04 04:00:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2025-03-04 04:00:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2025-03-04 04:00:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2025-03-04 04:00:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2025-03-04 04:00:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2025-03-04 04:00:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2025-03-04 04:00:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2025-03-04 04:00:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2025-03-04 04:00:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-04 04:00:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-04 04:00:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2025-03-04 04:00:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2025-03-04 04:00:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2025-03-04 04:00:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2025-03-04 04:00:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2025-03-04 04:00:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2025-03-04 04:00:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2025-03-04 04:00:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2025-03-04 04:00:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 04:00:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 04:00:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 04:00:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 04:00:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 04:00:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 04:00:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 04:00:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 04:00:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 04:00:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 04:00:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 04:00:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-03-04 04:00:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-04 04:00:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2025-03-04 04:00:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2025-03-04 04:00:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-04 04:00:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2025-03-04 04:00:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-04 04:00:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-03-04 04:00:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 04:00:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 04:00:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 04:00:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 04:00:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 04:00:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 04:00:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-04 04:00:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-04 04:00:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-04 04:00:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-04 04:00:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-04 04:00:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-04 04:00:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-04 04:00:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-04 04:00:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-04 04:00:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-03-04 04:00:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 04:00:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 04:00:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 04:00:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2025-03-04 04:00:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2025-03-04 04:00:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-03-04 04:00:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-03-04 04:00:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2025-03-04 04:00:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2025-03-04 04:00:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2025-03-04 04:00:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2025-03-04 04:00:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2025-03-04 04:00:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 04:00:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2025-03-04 04:00:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2025-03-04 04:00:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-04 04:00:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-03-04 04:00:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2025-03-04 04:00:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2025-03-04 04:00:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2025-03-04 04:00:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2025-03-04 04:00:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2025-03-04 04:00:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-04 04:00:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-04 04:00:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-04 04:00:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-04 04:00:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-04 04:00:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2025-03-04 04:00:23,962 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2025-03-04 04:00:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2025-03-04 04:00:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2025-03-04 04:00:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-04 04:00:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-04 04:00:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2025-03-04 04:00:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2025-03-04 04:00:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2025-03-04 04:00:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2025-03-04 04:00:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2025-03-04 04:00:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2025-03-04 04:00:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2025-03-04 04:00:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2025-03-04 04:00:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-03-04 04:00:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-03-04 04:00:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2025-03-04 04:00:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2025-03-04 04:00:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2025-03-04 04:00:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2025-03-04 04:00:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2025-03-04 04:00:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2025-03-04 04:00:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2025-03-04 04:00:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2025-03-04 04:00:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 04:00:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 04:00:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 04:00:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 04:00:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 04:00:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 04:00:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 04:00:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 04:00:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 04:00:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 04:00:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 04:00:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-04 04:00:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-04 04:00:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-04 04:00:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-04 04:00:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-04 04:00:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2025-03-04 04:00:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2025-03-04 04:00:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-03-04 04:00:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-03-04 04:00:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2025-03-04 04:00:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2025-03-04 04:00:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 04:00:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 04:00:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2025-03-04 04:00:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2025-03-04 04:00:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2025-03-04 04:00:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2025-03-04 04:00:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-04 04:00:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-04 04:00:24,400 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 04:00:24,402 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 04:00:24,440 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-04 04:00:24,463 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5573: call ULTIMATE.dealloc(~#__key~0#1.base, ~#__key~0#1.offset);havoc ~#__key~0#1.base, ~#__key~0#1.offset; [2025-03-04 04:00:24,480 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7898: havoc #t~nondet542; [2025-03-04 04:00:24,523 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6370: havoc #t~bitwise312; [2025-03-04 04:00:24,537 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7894: havoc mdiobus_read_#t~nondet541#1; [2025-03-04 04:00:24,568 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6166: havoc expired_#t~mem243#1; [2025-03-04 04:00:24,593 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420: havoc #t~mem44;call ULTIMATE.dealloc(~#ktime_zero~0.base, ~#ktime_zero~0.offset);havoc ~#ktime_zero~0.base, ~#ktime_zero~0.offset;call ULTIMATE.dealloc(~#__constr_expr_0~0.base, ~#__constr_expr_0~0.offset);havoc ~#__constr_expr_0~0.base, ~#__constr_expr_0~0.offset; [2025-03-04 04:00:24,618 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5549: havoc #t~mem81.base, #t~mem81.offset;havoc #t~mem82; [2025-03-04 04:00:24,662 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7873: havoc dev_mc_del_#t~nondet537#1; [2025-03-04 04:00:24,662 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7869: havoc dev_mc_add_#t~nondet536#1; [2025-03-04 04:00:24,670 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7924: havoc #t~nondet547; [2025-03-04 04:00:24,704 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5448: havoc __kmalloc_#t~ret56#1.base, __kmalloc_#t~ret56#1.offset; [2025-03-04 04:00:24,706 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7858: havoc #t~nondet534; [2025-03-04 04:00:24,763 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6582: havoc is_sync_#t~mem349#1; [2025-03-04 04:00:24,803 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7850: havoc #t~nondet532; [2025-03-04 04:00:24,808 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7877: havoc #t~nondet538; [2025-03-04 04:00:24,813 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5366: havoc #t~mem17.base, #t~mem17.offset; [2025-03-04 04:00:24,863 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7931: havoc ptp_clock_index_#t~nondet548#1; [2025-03-04 04:00:25,195 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6469: call ULTIMATE.dealloc(decode_txts_~#shhwtstamps~0#1.base, decode_txts_~#shhwtstamps~0#1.offset);havoc decode_txts_~#shhwtstamps~0#1.base, decode_txts_~#shhwtstamps~0#1.offset;call ULTIMATE.dealloc(decode_txts_~#descriptor~1#1.base, decode_txts_~#descriptor~1#1.offset);havoc decode_txts_~#descriptor~1#1.base, decode_txts_~#descriptor~1#1.offset; [2025-03-04 04:00:25,196 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5589: havoc skb_headlen_#t~mem87#1;havoc skb_headlen_#t~mem88#1; [2025-03-04 04:00:25,196 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6433: call ULTIMATE.dealloc(decode_rxts_~#descriptor~0#1.base, decode_rxts_~#descriptor~0#1.offset);havoc decode_rxts_~#descriptor~0#1.base, decode_rxts_~#descriptor~0#1.offset; [2025-03-04 04:00:25,196 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6376: call ULTIMATE.dealloc(decode_evnt_~#event~0#1.base, decode_evnt_~#event~0#1.offset);havoc decode_evnt_~#event~0#1.base, decode_evnt_~#event~0#1.offset; [2025-03-04 04:00:25,210 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7831: havoc #t~nondet531; [2025-03-04 04:00:25,414 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6219: call ULTIMATE.dealloc(recalibrate_~#event_ts~0#1.base, recalibrate_~#event_ts~0#1.offset);havoc recalibrate_~#event_ts~0#1.base, recalibrate_~#event_ts~0#1.offset;call ULTIMATE.dealloc(recalibrate_~#ts~1#1.base, recalibrate_~#ts~1#1.offset);havoc recalibrate_~#ts~1#1.base, recalibrate_~#ts~1#1.offset; [2025-03-04 04:00:25,416 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7854: havoc #t~nondet533; [2025-03-04 04:00:25,532 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7035: call ULTIMATE.dealloc(~#cfg~0#1.base, ~#cfg~0#1.offset);havoc ~#cfg~0#1.base, ~#cfg~0#1.offset; [2025-03-04 04:00:25,542 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7949: havoc queue_work_on_#t~nondet552#1; [2025-03-04 04:00:25,557 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5595: havoc #t~mem89.base, #t~mem89.offset;havoc #t~mem90; [2025-03-04 04:00:30,118 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7881: havoc genphy_read_status_#t~nondet539#1; [2025-03-04 04:00:30,118 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7865: havoc cancel_work_sync_#t~nondet535#1; [2025-03-04 04:00:30,119 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7884: havoc get_device_#t~ret540#1.base, get_device_#t~ret540#1.offset; [2025-03-04 04:00:30,119 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7917: havoc phy_driver_register_#t~nondet546#1; [2025-03-04 04:00:30,119 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7934: havoc ptp_clock_register_#t~ret549#1.base, ptp_clock_register_#t~ret549#1.offset; [2025-03-04 04:00:30,119 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7938: havoc ptp_clock_unregister_#t~nondet550#1; [2025-03-04 04:00:30,119 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6684: call ULTIMATE.dealloc(dp83640_clock_init_~#__key~1#1.base, dp83640_clock_init_~#__key~1#1.offset);havoc dp83640_clock_init_~#__key~1#1.base, dp83640_clock_init_~#__key~1#1.offset;call ULTIMATE.dealloc(dp83640_clock_init_~#__key___0~0#1.base, dp83640_clock_init_~#__key___0~0#1.offset);havoc dp83640_clock_init_~#__key___0~0#1.base, dp83640_clock_init_~#__key___0~0#1.offset; [2025-03-04 04:00:30,119 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6804: call ULTIMATE.dealloc(dp83640_probe_~#__key~2#1.base, dp83640_probe_~#__key~2#1.offset);havoc dp83640_probe_~#__key~2#1.base, dp83640_probe_~#__key~2#1.offset;call ULTIMATE.dealloc(dp83640_probe_~#__constr_expr_0~1#1.base, dp83640_probe_~#__constr_expr_0~1#1.offset);havoc dp83640_probe_~#__constr_expr_0~1#1.base, dp83640_probe_~#__constr_expr_0~1#1.offset;call ULTIMATE.dealloc(dp83640_probe_~#__key___0~1#1.base, dp83640_probe_~#__key___0~1#1.offset);havoc dp83640_probe_~#__key___0~1#1.base, dp83640_probe_~#__key___0~1#1.offset; [2025-03-04 04:00:30,131 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7913: havoc #t~ret543#1.base, #t~ret543#1.offset;havoc #t~mem544#1;havoc #t~mem545#1; [2025-03-04 04:00:30,473 INFO L? ?]: Removed 987 outVars from TransFormulas that were not future-live. [2025-03-04 04:00:30,473 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 04:00:30,519 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 04:00:30,525 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 04:00:30,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:00:30 BoogieIcfgContainer [2025-03-04 04:00:30,526 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 04:00:30,527 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 04:00:30,527 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 04:00:30,530 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 04:00:30,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 04:00:21" (1/3) ... [2025-03-04 04:00:30,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f5375b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:00:30, skipping insertion in model container [2025-03-04 04:00:30,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:23" (2/3) ... [2025-03-04 04:00:30,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f5375b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:00:30, skipping insertion in model container [2025-03-04 04:00:30,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:00:30" (3/3) ... [2025-03-04 04:00:30,534 INFO L128 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2025-03-04 04:00:30,545 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 04:00:30,548 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i that has 80 procedures, 1028 locations, 1 initial locations, 21 loop locations, and 1 error locations. [2025-03-04 04:00:30,611 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 04:00:30,619 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;@2126d85c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 04:00:30,621 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 04:00:30,630 INFO L276 IsEmpty]: Start isEmpty. Operand has 967 states, 694 states have (on average 1.3357348703170029) internal successors, (927), 712 states have internal predecessors, (927), 208 states have call successors, (208), 64 states have call predecessors, (208), 63 states have return successors, (205), 203 states have call predecessors, (205), 205 states have call successors, (205) [2025-03-04 04:00:30,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-04 04:00:30,638 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:00:30,638 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:00:30,639 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:00:30,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:00:30,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1533464701, now seen corresponding path program 1 times [2025-03-04 04:00:30,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:00:30,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84691378] [2025-03-04 04:00:30,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:00:30,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:00:31,028 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-04 04:00:31,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-04 04:00:31,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:00:31,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:00:31,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 04:00:31,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:00:31,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84691378] [2025-03-04 04:00:31,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84691378] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:00:31,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:00:31,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 04:00:31,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544255626] [2025-03-04 04:00:31,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:00:31,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 04:00:31,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:00:31,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 04:00:31,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 04:00:31,682 INFO L87 Difference]: Start difference. First operand has 967 states, 694 states have (on average 1.3357348703170029) internal successors, (927), 712 states have internal predecessors, (927), 208 states have call successors, (208), 64 states have call predecessors, (208), 63 states have return successors, (205), 203 states have call predecessors, (205), 205 states have call successors, (205) Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 04:00:32,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:00:32,191 INFO L93 Difference]: Finished difference Result 2883 states and 4076 transitions. [2025-03-04 04:00:32,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 04:00:32,194 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2025-03-04 04:00:32,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:00:32,224 INFO L225 Difference]: With dead ends: 2883 [2025-03-04 04:00:32,225 INFO L226 Difference]: Without dead ends: 1869 [2025-03-04 04:00:32,239 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-04 04:00:32,242 INFO L435 NwaCegarLoop]: 1293 mSDtfsCounter, 1299 mSDsluCounter, 3860 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1299 SdHoareTripleChecker+Valid, 5153 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 04:00:32,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1299 Valid, 5153 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 04:00:32,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1869 states. [2025-03-04 04:00:32,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1869 to 1867. [2025-03-04 04:00:32,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1867 states, 1345 states have (on average 1.3070631970260222) internal successors, (1758), 1371 states have internal predecessors, (1758), 398 states have call successors, (398), 124 states have call predecessors, (398), 123 states have return successors, (405), 393 states have call predecessors, (405), 397 states have call successors, (405) [2025-03-04 04:00:32,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1867 states and 2561 transitions. [2025-03-04 04:00:32,436 INFO L78 Accepts]: Start accepts. Automaton has 1867 states and 2561 transitions. Word has length 32 [2025-03-04 04:00:32,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:00:32,437 INFO L471 AbstractCegarLoop]: Abstraction has 1867 states and 2561 transitions. [2025-03-04 04:00:32,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-04 04:00:32,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2561 transitions. [2025-03-04 04:00:32,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-04 04:00:32,445 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:00:32,445 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:00:32,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 04:00:32,446 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:00:32,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:00:32,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1350896022, now seen corresponding path program 1 times [2025-03-04 04:00:32,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:00:32,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414494368] [2025-03-04 04:00:32,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:00:32,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:00:32,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-04 04:00:32,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-04 04:00:32,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:00:32,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:00:32,843 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 04:00:32,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:00:32,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414494368] [2025-03-04 04:00:32,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414494368] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:00:32,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:00:32,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:00:32,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544610977] [2025-03-04 04:00:32,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:00:32,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:00:32,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:00:32,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:00:32,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:00:32,846 INFO L87 Difference]: Start difference. First operand 1867 states and 2561 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-04 04:00:33,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:00:33,144 INFO L93 Difference]: Finished difference Result 3822 states and 5229 transitions. [2025-03-04 04:00:33,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:00:33,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 75 [2025-03-04 04:00:33,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:00:33,164 INFO L225 Difference]: With dead ends: 3822 [2025-03-04 04:00:33,164 INFO L226 Difference]: Without dead ends: 1963 [2025-03-04 04:00:33,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:00:33,174 INFO L435 NwaCegarLoop]: 1318 mSDtfsCounter, 96 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 2522 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-04 04:00:33,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 2522 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-04 04:00:33,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1963 states. [2025-03-04 04:00:33,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1963 to 1954. [2025-03-04 04:00:33,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1954 states, 1412 states have (on average 1.3052407932011332) internal successors, (1843), 1439 states have internal predecessors, (1843), 409 states have call successors, (409), 133 states have call predecessors, (409), 132 states have return successors, (416), 403 states have call predecessors, (416), 408 states have call successors, (416) [2025-03-04 04:00:33,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2668 transitions. [2025-03-04 04:00:33,277 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2668 transitions. Word has length 75 [2025-03-04 04:00:33,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:00:33,278 INFO L471 AbstractCegarLoop]: Abstraction has 1954 states and 2668 transitions. [2025-03-04 04:00:33,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-04 04:00:33,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2668 transitions. [2025-03-04 04:00:33,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-04 04:00:33,288 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:00:33,289 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:00:33,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 04:00:33,289 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:00:33,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:00:33,291 INFO L85 PathProgramCache]: Analyzing trace with hash -2101813497, now seen corresponding path program 1 times [2025-03-04 04:00:33,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:00:33,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553249694] [2025-03-04 04:00:33,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:00:33,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:00:33,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-04 04:00:33,546 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-04 04:00:33,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:00:33,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:00:33,700 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-04 04:00:33,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:00:33,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553249694] [2025-03-04 04:00:33,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553249694] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:00:33,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:00:33,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:00:33,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442789913] [2025-03-04 04:00:33,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:00:33,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:00:33,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:00:33,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:00:33,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:00:33,703 INFO L87 Difference]: Start difference. First operand 1954 states and 2668 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-04 04:00:37,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 04:00:38,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:00:38,070 INFO L93 Difference]: Finished difference Result 5368 states and 7308 transitions. [2025-03-04 04:00:38,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:00:38,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 99 [2025-03-04 04:00:38,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:00:38,091 INFO L225 Difference]: With dead ends: 5368 [2025-03-04 04:00:38,091 INFO L226 Difference]: Without dead ends: 3443 [2025-03-04 04:00:38,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:00:38,102 INFO L435 NwaCegarLoop]: 1414 mSDtfsCounter, 1177 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 37 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 2434 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-03-04 04:00:38,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1177 Valid, 2434 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 117 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-03-04 04:00:38,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3443 states. [2025-03-04 04:00:38,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3443 to 3434. [2025-03-04 04:00:38,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3434 states, 2506 states have (on average 1.2968874700718276) internal successors, (3250), 2546 states have internal predecessors, (3250), 682 states have call successors, (682), 246 states have call predecessors, (682), 245 states have return successors, (692), 671 states have call predecessors, (692), 681 states have call successors, (692) [2025-03-04 04:00:38,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 3434 states and 4624 transitions. [2025-03-04 04:00:38,257 INFO L78 Accepts]: Start accepts. Automaton has 3434 states and 4624 transitions. Word has length 99 [2025-03-04 04:00:38,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:00:38,258 INFO L471 AbstractCegarLoop]: Abstraction has 3434 states and 4624 transitions. [2025-03-04 04:00:38,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-04 04:00:38,258 INFO L276 IsEmpty]: Start isEmpty. Operand 3434 states and 4624 transitions. [2025-03-04 04:00:38,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-04 04:00:38,266 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:00:38,267 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:00:38,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 04:00:38,267 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:00:38,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:00:38,268 INFO L85 PathProgramCache]: Analyzing trace with hash -816192969, now seen corresponding path program 1 times [2025-03-04 04:00:38,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:00:38,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667636250] [2025-03-04 04:00:38,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:00:38,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:00:38,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-04 04:00:38,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-04 04:00:38,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:00:38,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:00:38,663 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-03-04 04:00:38,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:00:38,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667636250] [2025-03-04 04:00:38,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667636250] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:00:38,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:00:38,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:00:38,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726713119] [2025-03-04 04:00:38,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:00:38,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:00:38,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:00:38,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:00:38,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:00:38,666 INFO L87 Difference]: Start difference. First operand 3434 states and 4624 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2025-03-04 04:00:38,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:00:38,835 INFO L93 Difference]: Finished difference Result 5183 states and 6992 transitions. [2025-03-04 04:00:38,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:00:38,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 99 [2025-03-04 04:00:38,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:00:38,854 INFO L225 Difference]: With dead ends: 5183 [2025-03-04 04:00:38,854 INFO L226 Difference]: Without dead ends: 3438 [2025-03-04 04:00:38,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:00:38,862 INFO L435 NwaCegarLoop]: 1273 mSDtfsCounter, 2 mSDsluCounter, 1267 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2540 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 04:00:38,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2540 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 04:00:38,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3438 states. [2025-03-04 04:00:38,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3438 to 3438. [2025-03-04 04:00:38,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3438 states, 2510 states have (on average 1.296414342629482) internal successors, (3254), 2550 states have internal predecessors, (3254), 682 states have call successors, (682), 246 states have call predecessors, (682), 245 states have return successors, (692), 671 states have call predecessors, (692), 681 states have call successors, (692) [2025-03-04 04:00:38,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3438 states to 3438 states and 4628 transitions. [2025-03-04 04:00:38,973 INFO L78 Accepts]: Start accepts. Automaton has 3438 states and 4628 transitions. Word has length 99 [2025-03-04 04:00:38,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:00:38,973 INFO L471 AbstractCegarLoop]: Abstraction has 3438 states and 4628 transitions. [2025-03-04 04:00:38,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2025-03-04 04:00:38,974 INFO L276 IsEmpty]: Start isEmpty. Operand 3438 states and 4628 transitions. [2025-03-04 04:00:38,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-04 04:00:38,978 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:00:38,979 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:00:38,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 04:00:38,979 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:00:38,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:00:38,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1902000488, now seen corresponding path program 1 times [2025-03-04 04:00:38,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:00:38,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115109412] [2025-03-04 04:00:38,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:00:38,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:00:39,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-04 04:00:39,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-04 04:00:39,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:00:39,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:00:39,768 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-03-04 04:00:39,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:00:39,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115109412] [2025-03-04 04:00:39,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115109412] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:00:39,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:00:39,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 04:00:39,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394373882] [2025-03-04 04:00:39,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:00:39,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 04:00:39,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:00:39,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 04:00:39,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-03-04 04:00:39,770 INFO L87 Difference]: Start difference. First operand 3438 states and 4628 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-04 04:00:43,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 04:00:47,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 04:00:51,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 04:00:55,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 04:01:01,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:01:01,467 INFO L93 Difference]: Finished difference Result 7647 states and 10343 transitions. [2025-03-04 04:01:01,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-04 04:01:01,467 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 8 states have internal predecessors, (73), 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 100 [2025-03-04 04:01:01,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:01:01,490 INFO L225 Difference]: With dead ends: 7647 [2025-03-04 04:01:01,491 INFO L226 Difference]: Without dead ends: 4238 [2025-03-04 04:01:01,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-03-04 04:01:01,501 INFO L435 NwaCegarLoop]: 630 mSDtfsCounter, 2570 mSDsluCounter, 2812 mSDsCounter, 0 mSdLazyCounter, 5473 mSolverCounterSat, 729 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2805 SdHoareTripleChecker+Valid, 3442 SdHoareTripleChecker+Invalid, 6206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 729 IncrementalHoareTripleChecker+Valid, 5473 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2025-03-04 04:01:01,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2805 Valid, 3442 Invalid, 6206 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [729 Valid, 5473 Invalid, 4 Unknown, 0 Unchecked, 21.3s Time] [2025-03-04 04:01:01,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4238 states. [2025-03-04 04:01:01,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4238 to 4188. [2025-03-04 04:01:01,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4188 states, 3074 states have (on average 1.2992843201040989) internal successors, (3994), 3128 states have internal predecessors, (3994), 818 states have call successors, (818), 290 states have call predecessors, (818), 295 states have return successors, (843), 807 states have call predecessors, (843), 817 states have call successors, (843) [2025-03-04 04:01:01,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4188 states to 4188 states and 5655 transitions. [2025-03-04 04:01:01,636 INFO L78 Accepts]: Start accepts. Automaton has 4188 states and 5655 transitions. Word has length 100 [2025-03-04 04:01:01,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:01:01,636 INFO L471 AbstractCegarLoop]: Abstraction has 4188 states and 5655 transitions. [2025-03-04 04:01:01,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-04 04:01:01,637 INFO L276 IsEmpty]: Start isEmpty. Operand 4188 states and 5655 transitions. [2025-03-04 04:01:01,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-04 04:01:01,643 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:01:01,643 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:01:01,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 04:01:01,644 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:01:01,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:01:01,644 INFO L85 PathProgramCache]: Analyzing trace with hash -930237679, now seen corresponding path program 1 times [2025-03-04 04:01:01,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:01:01,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118488247] [2025-03-04 04:01:01,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:01:01,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:01:01,875 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-04 04:01:01,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-04 04:01:01,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:01:01,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:01:02,250 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-03-04 04:01:02,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:01:02,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118488247] [2025-03-04 04:01:02,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118488247] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:01:02,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:01:02,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 04:01:02,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827205696] [2025-03-04 04:01:02,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:01:02,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 04:01:02,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:01:02,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 04:01:02,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 04:01:02,252 INFO L87 Difference]: Start difference. First operand 4188 states and 5655 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-04 04:01:02,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:01:02,444 INFO L93 Difference]: Finished difference Result 8373 states and 11359 transitions. [2025-03-04 04:01:02,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 04:01:02,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 129 [2025-03-04 04:01:02,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:01:02,468 INFO L225 Difference]: With dead ends: 8373 [2025-03-04 04:01:02,468 INFO L226 Difference]: Without dead ends: 4214 [2025-03-04 04:01:02,483 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 04:01:02,484 INFO L435 NwaCegarLoop]: 1272 mSDtfsCounter, 0 mSDsluCounter, 3811 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5083 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 04:01:02,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5083 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 04:01:02,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2025-03-04 04:01:02,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 4212. [2025-03-04 04:01:02,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4212 states, 3092 states have (on average 1.297542043984476) internal successors, (4012), 3146 states have internal predecessors, (4012), 818 states have call successors, (818), 290 states have call predecessors, (818), 301 states have return successors, (853), 813 states have call predecessors, (853), 817 states have call successors, (853) [2025-03-04 04:01:02,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4212 states to 4212 states and 5683 transitions. [2025-03-04 04:01:02,653 INFO L78 Accepts]: Start accepts. Automaton has 4212 states and 5683 transitions. Word has length 129 [2025-03-04 04:01:02,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:01:02,655 INFO L471 AbstractCegarLoop]: Abstraction has 4212 states and 5683 transitions. [2025-03-04 04:01:02,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-04 04:01:02,655 INFO L276 IsEmpty]: Start isEmpty. Operand 4212 states and 5683 transitions. [2025-03-04 04:01:02,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-03-04 04:01:02,662 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:01:02,662 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:01:02,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 04:01:02,662 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:01:02,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:01:02,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1864558065, now seen corresponding path program 1 times [2025-03-04 04:01:02,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:01:02,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333189953] [2025-03-04 04:01:02,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:01:02,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:01:02,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-03-04 04:01:02,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-03-04 04:01:02,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:01:02,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:01:03,129 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-03-04 04:01:03,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:01:03,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333189953] [2025-03-04 04:01:03,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333189953] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:01:03,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:01:03,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:01:03,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649813244] [2025-03-04 04:01:03,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:01:03,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:01:03,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:01:03,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:01:03,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:01:03,132 INFO L87 Difference]: Start difference. First operand 4212 states and 5683 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-04 04:01:07,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 04:01:07,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:01:07,323 INFO L93 Difference]: Finished difference Result 8384 states and 11317 transitions. [2025-03-04 04:01:07,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:01:07,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 150 [2025-03-04 04:01:07,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:01:07,347 INFO L225 Difference]: With dead ends: 8384 [2025-03-04 04:01:07,347 INFO L226 Difference]: Without dead ends: 4188 [2025-03-04 04:01:07,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:01:07,359 INFO L435 NwaCegarLoop]: 1309 mSDtfsCounter, 1254 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-04 04:01:07,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1254 Valid, 1362 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-03-04 04:01:07,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4188 states. [2025-03-04 04:01:07,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4188 to 4188. [2025-03-04 04:01:07,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4188 states, 3070 states have (on average 1.293485342019544) internal successors, (3971), 3124 states have internal predecessors, (3971), 816 states have call successors, (816), 290 states have call predecessors, (816), 301 states have return successors, (849), 811 states have call predecessors, (849), 815 states have call successors, (849) [2025-03-04 04:01:07,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4188 states to 4188 states and 5636 transitions. [2025-03-04 04:01:07,496 INFO L78 Accepts]: Start accepts. Automaton has 4188 states and 5636 transitions. Word has length 150 [2025-03-04 04:01:07,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:01:07,497 INFO L471 AbstractCegarLoop]: Abstraction has 4188 states and 5636 transitions. [2025-03-04 04:01:07,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-03-04 04:01:07,498 INFO L276 IsEmpty]: Start isEmpty. Operand 4188 states and 5636 transitions. [2025-03-04 04:01:07,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-03-04 04:01:07,506 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:01:07,506 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:01:07,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 04:01:07,507 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:01:07,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:01:07,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1926496177, now seen corresponding path program 1 times [2025-03-04 04:01:07,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:01:07,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550543507] [2025-03-04 04:01:07,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:01:07,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:01:07,773 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-04 04:01:07,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-04 04:01:07,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:01:07,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:01:08,500 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-04 04:01:08,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:01:08,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550543507] [2025-03-04 04:01:08,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550543507] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 04:01:08,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112584497] [2025-03-04 04:01:08,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:01:08,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 04:01:08,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:01:08,505 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) [2025-03-04 04:01:08,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 04:01:09,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-04 04:01:09,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-04 04:01:09,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:01:09,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:01:09,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 1778 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-04 04:01:09,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 04:01:09,616 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-04 04:01:09,616 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 04:01:10,543 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-04 04:01:10,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112584497] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-04 04:01:10,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-04 04:01:10,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 8] total 21 [2025-03-04 04:01:10,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774657367] [2025-03-04 04:01:10,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:01:10,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 04:01:10,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:01:10,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 04:01:10,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2025-03-04 04:01:10,545 INFO L87 Difference]: Start difference. First operand 4188 states and 5636 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2025-03-04 04:01:14,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 04:01:18,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 04:01:22,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 04:01:27,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:01:27,768 INFO L93 Difference]: Finished difference Result 9632 states and 13236 transitions. [2025-03-04 04:01:27,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-04 04:01:27,769 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) Word has length 158 [2025-03-04 04:01:27,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:01:27,801 INFO L225 Difference]: With dead ends: 9632 [2025-03-04 04:01:27,802 INFO L226 Difference]: Without dead ends: 7132 [2025-03-04 04:01:27,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 309 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2025-03-04 04:01:27,810 INFO L435 NwaCegarLoop]: 1110 mSDtfsCounter, 5500 mSDsluCounter, 2050 mSDsCounter, 0 mSdLazyCounter, 4387 mSolverCounterSat, 2163 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5637 SdHoareTripleChecker+Valid, 3160 SdHoareTripleChecker+Invalid, 6553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2163 IncrementalHoareTripleChecker+Valid, 4387 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2025-03-04 04:01:27,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5637 Valid, 3160 Invalid, 6553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2163 Valid, 4387 Invalid, 3 Unknown, 0 Unchecked, 16.7s Time] [2025-03-04 04:01:27,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7132 states. [2025-03-04 04:01:28,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7132 to 6104. [2025-03-04 04:01:28,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6104 states, 4464 states have (on average 1.2941308243727598) internal successors, (5777), 4553 states have internal predecessors, (5777), 1197 states have call successors, (1197), 409 states have call predecessors, (1197), 442 states have return successors, (1289), 1196 states have call predecessors, (1289), 1196 states have call successors, (1289) [2025-03-04 04:01:28,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6104 states to 6104 states and 8263 transitions. [2025-03-04 04:01:28,079 INFO L78 Accepts]: Start accepts. Automaton has 6104 states and 8263 transitions. Word has length 158 [2025-03-04 04:01:28,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:01:28,080 INFO L471 AbstractCegarLoop]: Abstraction has 6104 states and 8263 transitions. [2025-03-04 04:01:28,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2025-03-04 04:01:28,080 INFO L276 IsEmpty]: Start isEmpty. Operand 6104 states and 8263 transitions. [2025-03-04 04:01:28,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-03-04 04:01:28,089 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:01:28,089 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:01:28,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-04 04:01:28,289 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 [2025-03-04 04:01:28,290 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:01:28,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:01:28,291 INFO L85 PathProgramCache]: Analyzing trace with hash 347270324, now seen corresponding path program 1 times [2025-03-04 04:01:28,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:01:28,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784634402] [2025-03-04 04:01:28,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:01:28,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:01:28,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-04 04:01:28,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-04 04:01:28,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:01:28,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:01:28,941 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-03-04 04:01:28,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:01:28,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784634402] [2025-03-04 04:01:28,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784634402] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:01:28,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:01:28,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 04:01:28,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379503729] [2025-03-04 04:01:28,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:01:28,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 04:01:28,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:01:28,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 04:01:28,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 04:01:28,943 INFO L87 Difference]: Start difference. First operand 6104 states and 8263 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-03-04 04:01:29,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:01:29,243 INFO L93 Difference]: Finished difference Result 10530 states and 14313 transitions. [2025-03-04 04:01:29,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 04:01:29,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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 159 [2025-03-04 04:01:29,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:01:29,273 INFO L225 Difference]: With dead ends: 10530 [2025-03-04 04:01:29,274 INFO L226 Difference]: Without dead ends: 6114 [2025-03-04 04:01:29,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 04:01:29,285 INFO L435 NwaCegarLoop]: 1268 mSDtfsCounter, 0 mSDsluCounter, 2531 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3799 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 04:01:29,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3799 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 04:01:29,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6114 states. [2025-03-04 04:01:29,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6114 to 6112. [2025-03-04 04:01:29,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6112 states, 4472 states have (on average 1.2949463327370303) internal successors, (5791), 4561 states have internal predecessors, (5791), 1197 states have call successors, (1197), 409 states have call predecessors, (1197), 442 states have return successors, (1289), 1196 states have call predecessors, (1289), 1196 states have call successors, (1289) [2025-03-04 04:01:29,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6112 states to 6112 states and 8277 transitions. [2025-03-04 04:01:29,626 INFO L78 Accepts]: Start accepts. Automaton has 6112 states and 8277 transitions. Word has length 159 [2025-03-04 04:01:29,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:01:29,627 INFO L471 AbstractCegarLoop]: Abstraction has 6112 states and 8277 transitions. [2025-03-04 04:01:29,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-03-04 04:01:29,627 INFO L276 IsEmpty]: Start isEmpty. Operand 6112 states and 8277 transitions. [2025-03-04 04:01:29,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-03-04 04:01:29,636 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:01:29,636 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:01:29,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-04 04:01:29,637 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:01:29,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:01:29,637 INFO L85 PathProgramCache]: Analyzing trace with hash -192642029, now seen corresponding path program 1 times [2025-03-04 04:01:29,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:01:29,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447786222] [2025-03-04 04:01:29,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:01:29,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:01:29,938 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-04 04:01:29,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-04 04:01:29,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:01:29,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:01:30,215 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-03-04 04:01:30,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:01:30,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447786222] [2025-03-04 04:01:30,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447786222] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:01:30,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:01:30,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 04:01:30,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816570300] [2025-03-04 04:01:30,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:01:30,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 04:01:30,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:01:30,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 04:01:30,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 04:01:30,218 INFO L87 Difference]: Start difference. First operand 6112 states and 8277 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-03-04 04:01:30,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:01:30,550 INFO L93 Difference]: Finished difference Result 12228 states and 16614 transitions. [2025-03-04 04:01:30,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 04:01:30,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 160 [2025-03-04 04:01:30,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:01:30,572 INFO L225 Difference]: With dead ends: 12228 [2025-03-04 04:01:30,572 INFO L226 Difference]: Without dead ends: 6168 [2025-03-04 04:01:30,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 04:01:30,587 INFO L435 NwaCegarLoop]: 1269 mSDtfsCounter, 1 mSDsluCounter, 2524 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3793 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 04:01:30,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3793 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 04:01:30,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6168 states. [2025-03-04 04:01:30,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6168 to 6160. [2025-03-04 04:01:30,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6160 states, 4520 states have (on average 1.2918141592920354) internal successors, (5839), 4609 states have internal predecessors, (5839), 1197 states have call successors, (1197), 409 states have call predecessors, (1197), 442 states have return successors, (1289), 1196 states have call predecessors, (1289), 1196 states have call successors, (1289) [2025-03-04 04:01:30,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6160 states to 6160 states and 8325 transitions. [2025-03-04 04:01:30,796 INFO L78 Accepts]: Start accepts. Automaton has 6160 states and 8325 transitions. Word has length 160 [2025-03-04 04:01:30,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:01:30,797 INFO L471 AbstractCegarLoop]: Abstraction has 6160 states and 8325 transitions. [2025-03-04 04:01:30,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-03-04 04:01:30,797 INFO L276 IsEmpty]: Start isEmpty. Operand 6160 states and 8325 transitions. [2025-03-04 04:01:30,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-03-04 04:01:30,806 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:01:30,806 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:01:30,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-04 04:01:30,806 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:01:30,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:01:30,807 INFO L85 PathProgramCache]: Analyzing trace with hash 559177240, now seen corresponding path program 1 times [2025-03-04 04:01:30,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:01:30,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545073386] [2025-03-04 04:01:30,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:01:30,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:01:31,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-03-04 04:01:31,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-03-04 04:01:31,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:01:31,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:01:31,265 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-03-04 04:01:31,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:01:31,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545073386] [2025-03-04 04:01:31,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545073386] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:01:31,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:01:31,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 04:01:31,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546601756] [2025-03-04 04:01:31,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:01:31,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 04:01:31,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:01:31,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 04:01:31,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 04:01:31,266 INFO L87 Difference]: Start difference. First operand 6160 states and 8325 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-03-04 04:01:31,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:01:31,603 INFO L93 Difference]: Finished difference Result 12324 states and 16710 transitions. [2025-03-04 04:01:31,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 04:01:31,604 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 161 [2025-03-04 04:01:31,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:01:31,628 INFO L225 Difference]: With dead ends: 12324 [2025-03-04 04:01:31,628 INFO L226 Difference]: Without dead ends: 6216 [2025-03-04 04:01:31,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 04:01:31,641 INFO L435 NwaCegarLoop]: 1273 mSDtfsCounter, 1 mSDsluCounter, 2527 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3800 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 04:01:31,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3800 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 04:01:31,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6216 states. [2025-03-04 04:01:31,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6216 to 6160. [2025-03-04 04:01:31,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6160 states, 4520 states have (on average 1.2918141592920354) internal successors, (5839), 4609 states have internal predecessors, (5839), 1197 states have call successors, (1197), 409 states have call predecessors, (1197), 442 states have return successors, (1289), 1196 states have call predecessors, (1289), 1196 states have call successors, (1289) [2025-03-04 04:01:31,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6160 states to 6160 states and 8325 transitions. [2025-03-04 04:01:31,978 INFO L78 Accepts]: Start accepts. Automaton has 6160 states and 8325 transitions. Word has length 161 [2025-03-04 04:01:31,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:01:31,981 INFO L471 AbstractCegarLoop]: Abstraction has 6160 states and 8325 transitions. [2025-03-04 04:01:31,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-03-04 04:01:31,981 INFO L276 IsEmpty]: Start isEmpty. Operand 6160 states and 8325 transitions. [2025-03-04 04:01:31,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-03-04 04:01:31,990 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:01:31,991 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:01:31,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-04 04:01:31,991 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:01:31,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:01:31,992 INFO L85 PathProgramCache]: Analyzing trace with hash 143099159, now seen corresponding path program 1 times [2025-03-04 04:01:31,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:01:31,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708155207] [2025-03-04 04:01:31,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:01:31,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:01:32,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-04 04:01:32,345 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-04 04:01:32,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:01:32,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:01:32,773 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-04 04:01:32,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:01:32,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708155207] [2025-03-04 04:01:32,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708155207] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:01:32,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:01:32,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 04:01:32,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200830446] [2025-03-04 04:01:32,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:01:32,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 04:01:32,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:01:32,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 04:01:32,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 04:01:32,775 INFO L87 Difference]: Start difference. First operand 6160 states and 8325 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-03-04 04:01:33,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:01:33,053 INFO L93 Difference]: Finished difference Result 12280 states and 16630 transitions. [2025-03-04 04:01:33,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 04:01:33,054 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 162 [2025-03-04 04:01:33,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:01:33,085 INFO L225 Difference]: With dead ends: 12280 [2025-03-04 04:01:33,086 INFO L226 Difference]: Without dead ends: 6172 [2025-03-04 04:01:33,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 04:01:33,102 INFO L435 NwaCegarLoop]: 1271 mSDtfsCounter, 0 mSDsluCounter, 2536 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3807 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 04:01:33,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3807 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 04:01:33,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6172 states. [2025-03-04 04:01:33,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6172 to 6172. [2025-03-04 04:01:33,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6172 states, 4532 states have (on average 1.2910414827890555) internal successors, (5851), 4621 states have internal predecessors, (5851), 1197 states have call successors, (1197), 409 states have call predecessors, (1197), 442 states have return successors, (1289), 1196 states have call predecessors, (1289), 1196 states have call successors, (1289) [2025-03-04 04:01:33,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6172 states to 6172 states and 8337 transitions. [2025-03-04 04:01:33,311 INFO L78 Accepts]: Start accepts. Automaton has 6172 states and 8337 transitions. Word has length 162 [2025-03-04 04:01:33,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:01:33,312 INFO L471 AbstractCegarLoop]: Abstraction has 6172 states and 8337 transitions. [2025-03-04 04:01:33,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2025-03-04 04:01:33,312 INFO L276 IsEmpty]: Start isEmpty. Operand 6172 states and 8337 transitions. [2025-03-04 04:01:33,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-03-04 04:01:33,320 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:01:33,320 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:01:33,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-04 04:01:33,320 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:01:33,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:01:33,321 INFO L85 PathProgramCache]: Analyzing trace with hash -555634008, now seen corresponding path program 1 times [2025-03-04 04:01:33,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:01:33,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559475490] [2025-03-04 04:01:33,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:01:33,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:01:33,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-04 04:01:33,745 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-04 04:01:33,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:01:33,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:01:35,215 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-04 04:01:35,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:01:35,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559475490] [2025-03-04 04:01:35,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559475490] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 04:01:35,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802605817] [2025-03-04 04:01:35,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:01:35,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 04:01:35,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:01:35,218 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) [2025-03-04 04:01:35,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 04:01:35,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-04 04:01:36,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-04 04:01:36,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:01:36,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:01:36,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 1791 conjuncts, 64 conjuncts are in the unsatisfiable core [2025-03-04 04:01:36,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 04:01:36,241 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-04 04:01:36,243 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 04:01:37,040 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-04 04:01:37,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802605817] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-04 04:01:37,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-04 04:01:37,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 12] total 24 [2025-03-04 04:01:37,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379797664] [2025-03-04 04:01:37,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-04 04:01:37,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-04 04:01:37,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:01:37,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-04 04:01:37,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=496, Unknown=0, NotChecked=0, Total=552 [2025-03-04 04:01:37,041 INFO L87 Difference]: Start difference. First operand 6172 states and 8337 transitions. Second operand has 24 states, 22 states have (on average 6.681818181818182) internal successors, (147), 18 states have internal predecessors, (147), 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) [2025-03-04 04:01:38,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:01:38,034 INFO L93 Difference]: Finished difference Result 12492 states and 16939 transitions. [2025-03-04 04:01:38,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-04 04:01:38,035 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 6.681818181818182) internal successors, (147), 18 states have internal predecessors, (147), 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 163 [2025-03-04 04:01:38,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:01:38,065 INFO L225 Difference]: With dead ends: 12492 [2025-03-04 04:01:38,066 INFO L226 Difference]: Without dead ends: 6372 [2025-03-04 04:01:38,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 317 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=496, Unknown=0, NotChecked=0, Total=552 [2025-03-04 04:01:38,082 INFO L435 NwaCegarLoop]: 1285 mSDtfsCounter, 15 mSDsluCounter, 25590 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 26875 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-04 04:01:38,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 26875 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-04 04:01:38,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6372 states. [2025-03-04 04:01:38,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6372 to 6230. [2025-03-04 04:01:38,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6230 states, 4582 states have (on average 1.2861195984286338) internal successors, (5893), 4665 states have internal predecessors, (5893), 1197 states have call successors, (1197), 409 states have call predecessors, (1197), 450 states have return successors, (1309), 1210 states have call predecessors, (1309), 1196 states have call successors, (1309) [2025-03-04 04:01:38,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6230 states to 6230 states and 8399 transitions. [2025-03-04 04:01:38,412 INFO L78 Accepts]: Start accepts. Automaton has 6230 states and 8399 transitions. Word has length 163 [2025-03-04 04:01:38,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:01:38,413 INFO L471 AbstractCegarLoop]: Abstraction has 6230 states and 8399 transitions. [2025-03-04 04:01:38,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 6.681818181818182) internal successors, (147), 18 states have internal predecessors, (147), 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) [2025-03-04 04:01:38,413 INFO L276 IsEmpty]: Start isEmpty. Operand 6230 states and 8399 transitions. [2025-03-04 04:01:38,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2025-03-04 04:01:38,422 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:01:38,423 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:01:38,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 04:01:38,627 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 [2025-03-04 04:01:38,627 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:01:38,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:01:38,628 INFO L85 PathProgramCache]: Analyzing trace with hash 827530013, now seen corresponding path program 1 times [2025-03-04 04:01:38,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:01:38,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417499396] [2025-03-04 04:01:38,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:01:38,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:01:38,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 181 statements into 1 equivalence classes. [2025-03-04 04:01:38,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 181 of 181 statements. [2025-03-04 04:01:38,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:01:38,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:01:39,121 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-03-04 04:01:39,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:01:39,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417499396] [2025-03-04 04:01:39,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417499396] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:01:39,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:01:39,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 04:01:39,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146054417] [2025-03-04 04:01:39,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:01:39,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 04:01:39,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:01:39,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 04:01:39,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 04:01:39,125 INFO L87 Difference]: Start difference. First operand 6230 states and 8399 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-04 04:01:39,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:01:39,415 INFO L93 Difference]: Finished difference Result 12432 states and 16798 transitions. [2025-03-04 04:01:39,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 04:01:39,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 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 181 [2025-03-04 04:01:39,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:01:39,440 INFO L225 Difference]: With dead ends: 12432 [2025-03-04 04:01:39,440 INFO L226 Difference]: Without dead ends: 6238 [2025-03-04 04:01:39,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 04:01:39,455 INFO L435 NwaCegarLoop]: 1271 mSDtfsCounter, 0 mSDsluCounter, 2540 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3811 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-04 04:01:39,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3811 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 04:01:39,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6238 states. [2025-03-04 04:01:39,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6238 to 6238. [2025-03-04 04:01:39,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6238 states, 4590 states have (on average 1.2856209150326798) internal successors, (5901), 4673 states have internal predecessors, (5901), 1197 states have call successors, (1197), 409 states have call predecessors, (1197), 450 states have return successors, (1309), 1210 states have call predecessors, (1309), 1196 states have call successors, (1309) [2025-03-04 04:01:39,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6238 states to 6238 states and 8407 transitions. [2025-03-04 04:01:39,659 INFO L78 Accepts]: Start accepts. Automaton has 6238 states and 8407 transitions. Word has length 181 [2025-03-04 04:01:39,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:01:39,659 INFO L471 AbstractCegarLoop]: Abstraction has 6238 states and 8407 transitions. [2025-03-04 04:01:39,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-04 04:01:39,660 INFO L276 IsEmpty]: Start isEmpty. Operand 6238 states and 8407 transitions. [2025-03-04 04:01:39,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-03-04 04:01:39,667 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:01:39,667 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 04:01:39,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-04 04:01:39,667 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:01:39,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:01:39,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1274617208, now seen corresponding path program 1 times [2025-03-04 04:01:39,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:01:39,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407214967] [2025-03-04 04:01:39,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:01:39,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:01:39,877 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-03-04 04:01:39,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-03-04 04:01:39,938 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:01:39,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:01:40,199 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-03-04 04:01:40,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:01:40,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407214967] [2025-03-04 04:01:40,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407214967] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 04:01:40,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822819701] [2025-03-04 04:01:40,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:01:40,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 04:01:40,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:01:40,201 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) [2025-03-04 04:01:40,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 04:01:40,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes.