./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 18:42:07,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 18:42:07,686 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 18:42:07,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 18:42:07,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 18:42:07,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 18:42:07,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 18:42:07,727 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 18:42:07,727 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 18:42:07,728 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 18:42:07,728 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 18:42:07,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 18:42:07,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 18:42:07,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 18:42:07,729 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 18:42:07,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 18:42:07,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 18:42:07,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 18:42:07,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 18:42:07,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 18:42:07,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 18:42:07,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 18:42:07,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 18:42:07,730 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 18:42:07,730 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 18:42:07,731 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 18:42:07,731 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:42:07,731 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:42:07,731 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:42:07,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:42:07,731 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 18:42:07,731 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:42:07,732 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:42:07,732 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:42:07,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:42:07,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 18:42:07,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 18:42:07,732 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 18:42:07,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 18:42:07,732 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 18:42:07,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 18:42:07,732 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 18:42:07,733 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 18:42:07,733 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 18:42:07,733 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 18:42:07,733 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad [2025-01-09 18:42:08,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 18:42:08,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 18:42:08,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 18:42:08,031 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 18:42:08,032 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 18:42:08,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2025-01-09 18:42:09,379 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/664576e71/0ac0f5d7dace40e791a64ce57edb7aad/FLAGb48b5fe4c [2025-01-09 18:42:09,804 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 18:42:09,804 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2025-01-09 18:42:09,839 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/664576e71/0ac0f5d7dace40e791a64ce57edb7aad/FLAGb48b5fe4c [2025-01-09 18:42:09,855 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/664576e71/0ac0f5d7dace40e791a64ce57edb7aad [2025-01-09 18:42:09,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 18:42:09,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 18:42:09,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 18:42:09,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 18:42:09,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 18:42:09,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:42:09" (1/1) ... [2025-01-09 18:42:09,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba6b82a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:42:09, skipping insertion in model container [2025-01-09 18:42:09,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:42:09" (1/1) ... [2025-01-09 18:42:09,964 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 18:42:10,927 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2025-01-09 18:42:10,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:42:10,993 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 18:42:11,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4160] [2025-01-09 18:42:11,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4167] [2025-01-09 18:42:11,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4182] [2025-01-09 18:42:11,328 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2025-01-09 18:42:11,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:42:11,417 INFO L204 MainTranslator]: Completed translation [2025-01-09 18:42:11,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:42:11 WrapperNode [2025-01-09 18:42:11,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 18:42:11,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 18:42:11,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 18:42:11,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 18:42:11,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:42:11" (1/1) ... [2025-01-09 18:42:11,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:42:11" (1/1) ... [2025-01-09 18:42:11,551 INFO L138 Inliner]: procedures = 151, calls = 825, calls flagged for inlining = 67, calls inlined = 53, statements flattened = 1833 [2025-01-09 18:42:11,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 18:42:11,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 18:42:11,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 18:42:11,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 18:42:11,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:42:11" (1/1) ... [2025-01-09 18:42:11,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:42:11" (1/1) ... [2025-01-09 18:42:11,590 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:42:11" (1/1) ... [2025-01-09 18:42:11,771 INFO L175 MemorySlicer]: Split 277 memory accesses to 11 slices as follows [2, 23, 16, 3, 16, 2, 1, 12, 170, 8, 24]. 61 percent of accesses are in the largest equivalence class. The 51 initializations are split as follows [2, 0, 16, 3, 0, 0, 0, 0, 4, 8, 18]. The 81 writes are split as follows [0, 16, 0, 0, 16, 0, 0, 1, 42, 0, 6]. [2025-01-09 18:42:11,773 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:42:11" (1/1) ... [2025-01-09 18:42:11,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:42:11" (1/1) ... [2025-01-09 18:42:11,849 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:42:11" (1/1) ... [2025-01-09 18:42:11,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:42:11" (1/1) ... [2025-01-09 18:42:11,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:42:11" (1/1) ... [2025-01-09 18:42:11,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:42:11" (1/1) ... [2025-01-09 18:42:11,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:42:11" (1/1) ... [2025-01-09 18:42:11,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 18:42:11,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 18:42:11,923 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 18:42:11,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 18:42:11,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:42:11" (1/1) ... [2025-01-09 18:42:11,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:42:11,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:42:11,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 18:42:11,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 18:42:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2025-01-09 18:42:11,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2025-01-09 18:42:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2025-01-09 18:42:11,982 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2025-01-09 18:42:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 18:42:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 18:42:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 18:42:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 18:42:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 18:42:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 18:42:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 18:42:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 18:42:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 18:42:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 18:42:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 18:42:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-01-09 18:42:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-01-09 18:42:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-01-09 18:42:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-01-09 18:42:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-01-09 18:42:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-01-09 18:42:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 18:42:11,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 18:42:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 18:42:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 18:42:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 18:42:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 18:42:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 18:42:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 18:42:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-01-09 18:42:11,986 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-01-09 18:42:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2025-01-09 18:42:11,986 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2025-01-09 18:42:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2025-01-09 18:42:11,986 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2025-01-09 18:42:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-01-09 18:42:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-01-09 18:42:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-01-09 18:42:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-01-09 18:42:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-01-09 18:42:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-01-09 18:42:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-01-09 18:42:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-01-09 18:42:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-01-09 18:42:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-01-09 18:42:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-01-09 18:42:11,986 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-01-09 18:42:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-01-09 18:42:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-01-09 18:42:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-01-09 18:42:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-01-09 18:42:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-01-09 18:42:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-01-09 18:42:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-01-09 18:42:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-01-09 18:42:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-01-09 18:42:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-01-09 18:42:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 18:42:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 18:42:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2025-01-09 18:42:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2025-01-09 18:42:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2025-01-09 18:42:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2025-01-09 18:42:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-01-09 18:42:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-01-09 18:42:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2025-01-09 18:42:11,991 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2025-01-09 18:42:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 18:42:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 18:42:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 18:42:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 18:42:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 18:42:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 18:42:11,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 18:42:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 18:42:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 18:42:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 18:42:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 18:42:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-01-09 18:42:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-01-09 18:42:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2025-01-09 18:42:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2025-01-09 18:42:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2025-01-09 18:42:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2025-01-09 18:42:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 18:42:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 18:42:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 18:42:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 18:42:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 18:42:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 18:42:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-01-09 18:42:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-01-09 18:42:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-01-09 18:42:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-01-09 18:42:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-01-09 18:42:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 18:42:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 18:42:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 18:42:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 18:42:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 18:42:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 18:42:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-01-09 18:42:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-01-09 18:42:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-01-09 18:42:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-01-09 18:42:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-01-09 18:42:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2025-01-09 18:42:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2025-01-09 18:42:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2025-01-09 18:42:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2025-01-09 18:42:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 18:42:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 18:42:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 18:42:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2025-01-09 18:42:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2025-01-09 18:42:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2025-01-09 18:42:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2025-01-09 18:42:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2025-01-09 18:42:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2025-01-09 18:42:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 18:42:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2025-01-09 18:42:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2025-01-09 18:42:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2025-01-09 18:42:11,996 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2025-01-09 18:42:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 18:42:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 18:42:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 18:42:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 18:42:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 18:42:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 18:42:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 18:42:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 18:42:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 18:42:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 18:42:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 18:42:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 18:42:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2025-01-09 18:42:11,996 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2025-01-09 18:42:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2025-01-09 18:42:11,996 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2025-01-09 18:42:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2025-01-09 18:42:11,996 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2025-01-09 18:42:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 18:42:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2025-01-09 18:42:12,000 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2025-01-09 18:42:12,000 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 18:42:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2025-01-09 18:42:12,001 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 18:42:12,001 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-01-09 18:42:12,001 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2025-01-09 18:42:12,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2025-01-09 18:42:12,001 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2025-01-09 18:42:12,001 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-01-09 18:42:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-01-09 18:42:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-01-09 18:42:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 18:42:12,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 18:42:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2025-01-09 18:42:12,002 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2025-01-09 18:42:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2025-01-09 18:42:12,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2025-01-09 18:42:12,490 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 18:42:12,493 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 18:42:12,665 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 18:42:14,601 INFO L? ?]: Removed 919 outVars from TransFormulas that were not future-live. [2025-01-09 18:42:14,602 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 18:42:14,633 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 18:42:14,633 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-01-09 18:42:14,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:42:14 BoogieIcfgContainer [2025-01-09 18:42:14,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 18:42:14,636 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 18:42:14,636 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 18:42:14,640 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 18:42:14,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 06:42:09" (1/3) ... [2025-01-09 18:42:14,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216d83ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:42:14, skipping insertion in model container [2025-01-09 18:42:14,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:42:11" (2/3) ... [2025-01-09 18:42:14,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216d83ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:42:14, skipping insertion in model container [2025-01-09 18:42:14,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:42:14" (3/3) ... [2025-01-09 18:42:14,644 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2025-01-09 18:42:14,657 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 18:42:14,658 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i that has 58 procedures, 729 locations, 1 initial locations, 39 loop locations, and 1 error locations. [2025-01-09 18:42:14,727 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 18:42:14,740 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;@3b4133c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 18:42:14,740 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 18:42:14,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 655 states, 457 states have (on average 1.3085339168490153) internal successors, (598), 468 states have internal predecessors, (598), 156 states have call successors, (156), 41 states have call predecessors, (156), 40 states have return successors, (152), 151 states have call predecessors, (152), 152 states have call successors, (152) [2025-01-09 18:42:14,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-01-09 18:42:14,762 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:42:14,763 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:42:14,764 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:42:14,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:42:14,768 INFO L85 PathProgramCache]: Analyzing trace with hash -656329833, now seen corresponding path program 1 times [2025-01-09 18:42:14,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:42:14,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538763762] [2025-01-09 18:42:14,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:42:14,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:42:14,974 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-01-09 18:42:15,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-01-09 18:42:15,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:42:15,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:15,414 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2025-01-09 18:42:15,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:42:15,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538763762] [2025-01-09 18:42:15,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538763762] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:42:15,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949273388] [2025-01-09 18:42:15,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:42:15,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:42:15,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:42:15,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:42:15,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 18:42:15,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-01-09 18:42:16,145 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-01-09 18:42:16,146 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:42:16,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:16,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 1521 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 18:42:16,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:42:16,192 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2025-01-09 18:42:16,195 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:42:16,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949273388] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:42:16,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:42:16,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 18:42:16,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557042673] [2025-01-09 18:42:16,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:42:16,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 18:42:16,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:42:16,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 18:42:16,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 18:42:16,223 INFO L87 Difference]: Start difference. First operand has 655 states, 457 states have (on average 1.3085339168490153) internal successors, (598), 468 states have internal predecessors, (598), 156 states have call successors, (156), 41 states have call predecessors, (156), 40 states have return successors, (152), 151 states have call predecessors, (152), 152 states have call successors, (152) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 18:42:16,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:42:16,344 INFO L93 Difference]: Finished difference Result 1305 states and 1832 transitions. [2025-01-09 18:42:16,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 18:42:16,346 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 184 [2025-01-09 18:42:16,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:42:16,364 INFO L225 Difference]: With dead ends: 1305 [2025-01-09 18:42:16,367 INFO L226 Difference]: Without dead ends: 644 [2025-01-09 18:42:16,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 18:42:16,378 INFO L435 NwaCegarLoop]: 898 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:42:16,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 898 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:42:16,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2025-01-09 18:42:16,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 644. [2025-01-09 18:42:16,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 452 states have (on average 1.2898230088495575) internal successors, (583), 457 states have internal predecessors, (583), 152 states have call successors, (152), 40 states have call predecessors, (152), 39 states have return successors, (150), 149 states have call predecessors, (150), 150 states have call successors, (150) [2025-01-09 18:42:16,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 885 transitions. [2025-01-09 18:42:16,485 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 885 transitions. Word has length 184 [2025-01-09 18:42:16,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:42:16,485 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 885 transitions. [2025-01-09 18:42:16,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-01-09 18:42:16,486 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 885 transitions. [2025-01-09 18:42:16,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-01-09 18:42:16,493 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:42:16,493 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:42:16,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 18:42:16,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 18:42:16,694 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:42:16,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:42:16,695 INFO L85 PathProgramCache]: Analyzing trace with hash 59911837, now seen corresponding path program 1 times [2025-01-09 18:42:16,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:42:16,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007932635] [2025-01-09 18:42:16,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:42:16,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:42:16,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-01-09 18:42:16,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-01-09 18:42:16,896 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:42:16,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:17,267 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2025-01-09 18:42:17,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:42:17,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007932635] [2025-01-09 18:42:17,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007932635] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:42:17,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:42:17,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:42:17,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301569055] [2025-01-09 18:42:17,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:42:17,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:42:17,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:42:17,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:42:17,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:42:17,272 INFO L87 Difference]: Start difference. First operand 644 states and 885 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2025-01-09 18:42:17,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:42:17,497 INFO L93 Difference]: Finished difference Result 1822 states and 2511 transitions. [2025-01-09 18:42:17,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:42:17,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 184 [2025-01-09 18:42:17,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:42:17,507 INFO L225 Difference]: With dead ends: 1822 [2025-01-09 18:42:17,507 INFO L226 Difference]: Without dead ends: 1218 [2025-01-09 18:42:17,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:42:17,510 INFO L435 NwaCegarLoop]: 886 mSDtfsCounter, 795 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 795 SdHoareTripleChecker+Valid, 1751 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:42:17,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [795 Valid, 1751 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:42:17,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2025-01-09 18:42:17,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1215. [2025-01-09 18:42:17,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 860 states have (on average 1.2988372093023255) internal successors, (1117), 869 states have internal predecessors, (1117), 280 states have call successors, (280), 75 states have call predecessors, (280), 74 states have return successors, (278), 276 states have call predecessors, (278), 278 states have call successors, (278) [2025-01-09 18:42:17,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1675 transitions. [2025-01-09 18:42:17,592 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1675 transitions. Word has length 184 [2025-01-09 18:42:17,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:42:17,594 INFO L471 AbstractCegarLoop]: Abstraction has 1215 states and 1675 transitions. [2025-01-09 18:42:17,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2025-01-09 18:42:17,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1675 transitions. [2025-01-09 18:42:17,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2025-01-09 18:42:17,601 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:42:17,602 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-01-09 18:42:17,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 18:42:17,603 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:42:17,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:42:17,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1748296713, now seen corresponding path program 1 times [2025-01-09 18:42:17,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:42:17,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707695830] [2025-01-09 18:42:17,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:42:17,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:42:17,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes. [2025-01-09 18:42:17,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements. [2025-01-09 18:42:17,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:42:17,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:18,034 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2025-01-09 18:42:18,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:42:18,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707695830] [2025-01-09 18:42:18,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707695830] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:42:18,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:42:18,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 18:42:18,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674966958] [2025-01-09 18:42:18,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:42:18,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:42:18,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:42:18,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:42:18,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:42:18,038 INFO L87 Difference]: Start difference. First operand 1215 states and 1675 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2025-01-09 18:42:18,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:42:18,181 INFO L93 Difference]: Finished difference Result 2389 states and 3294 transitions. [2025-01-09 18:42:18,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 18:42:18,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 197 [2025-01-09 18:42:18,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:42:18,196 INFO L225 Difference]: With dead ends: 2389 [2025-01-09 18:42:18,198 INFO L226 Difference]: Without dead ends: 1214 [2025-01-09 18:42:18,205 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:42:18,207 INFO L435 NwaCegarLoop]: 880 mSDtfsCounter, 881 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 1758 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:42:18,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [881 Valid, 1758 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:42:18,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2025-01-09 18:42:18,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1214. [2025-01-09 18:42:18,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 859 states have (on average 1.2956926658905705) internal successors, (1113), 868 states have internal predecessors, (1113), 280 states have call successors, (280), 75 states have call predecessors, (280), 74 states have return successors, (278), 276 states have call predecessors, (278), 278 states have call successors, (278) [2025-01-09 18:42:18,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1671 transitions. [2025-01-09 18:42:18,302 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1671 transitions. Word has length 197 [2025-01-09 18:42:18,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:42:18,304 INFO L471 AbstractCegarLoop]: Abstraction has 1214 states and 1671 transitions. [2025-01-09 18:42:18,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2025-01-09 18:42:18,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1671 transitions. [2025-01-09 18:42:18,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2025-01-09 18:42:18,311 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:42:18,311 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2025-01-09 18:42:18,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 18:42:18,311 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:42:18,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:42:18,312 INFO L85 PathProgramCache]: Analyzing trace with hash 876601712, now seen corresponding path program 1 times [2025-01-09 18:42:18,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:42:18,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882235498] [2025-01-09 18:42:18,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:42:18,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:42:18,395 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 255 statements into 1 equivalence classes. [2025-01-09 18:42:18,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 255 of 255 statements. [2025-01-09 18:42:18,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:42:18,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:18,673 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2025-01-09 18:42:18,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:42:18,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882235498] [2025-01-09 18:42:18,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882235498] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:42:18,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:42:18,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:42:18,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766160834] [2025-01-09 18:42:18,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:42:18,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:42:18,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:42:18,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:42:18,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:42:18,676 INFO L87 Difference]: Start difference. First operand 1214 states and 1671 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 18:42:18,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:42:18,811 INFO L93 Difference]: Finished difference Result 3559 states and 4904 transitions. [2025-01-09 18:42:18,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:42:18,812 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), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 255 [2025-01-09 18:42:18,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:42:18,831 INFO L225 Difference]: With dead ends: 3559 [2025-01-09 18:42:18,831 INFO L226 Difference]: Without dead ends: 2381 [2025-01-09 18:42:18,837 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:42:18,839 INFO L435 NwaCegarLoop]: 899 mSDtfsCounter, 819 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:42:18,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 1723 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:42:18,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2025-01-09 18:42:18,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 2377. [2025-01-09 18:42:18,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2377 states, 1687 states have (on average 1.2987551867219918) internal successors, (2191), 1704 states have internal predecessors, (2191), 543 states have call successors, (543), 147 states have call predecessors, (543), 146 states have return successors, (541), 537 states have call predecessors, (541), 541 states have call successors, (541) [2025-01-09 18:42:18,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2377 states and 3275 transitions. [2025-01-09 18:42:18,999 INFO L78 Accepts]: Start accepts. Automaton has 2377 states and 3275 transitions. Word has length 255 [2025-01-09 18:42:19,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:42:19,000 INFO L471 AbstractCegarLoop]: Abstraction has 2377 states and 3275 transitions. [2025-01-09 18:42:19,001 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), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-01-09 18:42:19,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 3275 transitions. [2025-01-09 18:42:19,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2025-01-09 18:42:19,015 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:42:19,015 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2025-01-09 18:42:19,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 18:42:19,016 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:42:19,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:42:19,016 INFO L85 PathProgramCache]: Analyzing trace with hash 686005947, now seen corresponding path program 1 times [2025-01-09 18:42:19,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:42:19,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644332483] [2025-01-09 18:42:19,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:42:19,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:42:19,096 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 277 statements into 1 equivalence classes. [2025-01-09 18:42:19,141 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 277 of 277 statements. [2025-01-09 18:42:19,142 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:42:19,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:19,327 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2025-01-09 18:42:19,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:42:19,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644332483] [2025-01-09 18:42:19,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644332483] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:42:19,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:42:19,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:42:19,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522469854] [2025-01-09 18:42:19,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:42:19,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:42:19,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:42:19,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:42:19,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:42:19,329 INFO L87 Difference]: Start difference. First operand 2377 states and 3275 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-01-09 18:42:19,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:42:19,460 INFO L93 Difference]: Finished difference Result 4718 states and 6504 transitions. [2025-01-09 18:42:19,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:42:19,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 277 [2025-01-09 18:42:19,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:42:19,477 INFO L225 Difference]: With dead ends: 4718 [2025-01-09 18:42:19,477 INFO L226 Difference]: Without dead ends: 2381 [2025-01-09 18:42:19,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:42:19,490 INFO L435 NwaCegarLoop]: 882 mSDtfsCounter, 0 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1759 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:42:19,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1759 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:42:19,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2025-01-09 18:42:19,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 2381. [2025-01-09 18:42:19,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 1691 states have (on average 1.2980484920165583) internal successors, (2195), 1708 states have internal predecessors, (2195), 543 states have call successors, (543), 147 states have call predecessors, (543), 146 states have return successors, (541), 537 states have call predecessors, (541), 541 states have call successors, (541) [2025-01-09 18:42:19,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 3279 transitions. [2025-01-09 18:42:19,626 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 3279 transitions. Word has length 277 [2025-01-09 18:42:19,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:42:19,627 INFO L471 AbstractCegarLoop]: Abstraction has 2381 states and 3279 transitions. [2025-01-09 18:42:19,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-01-09 18:42:19,627 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 3279 transitions. [2025-01-09 18:42:19,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2025-01-09 18:42:19,636 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:42:19,637 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2025-01-09 18:42:19,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 18:42:19,637 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:42:19,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:42:19,638 INFO L85 PathProgramCache]: Analyzing trace with hash -593857731, now seen corresponding path program 1 times [2025-01-09 18:42:19,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:42:19,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036609883] [2025-01-09 18:42:19,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:42:19,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:42:19,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 277 statements into 1 equivalence classes. [2025-01-09 18:42:19,851 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 277 of 277 statements. [2025-01-09 18:42:19,851 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:42:19,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:20,936 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2025-01-09 18:42:20,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:42:20,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036609883] [2025-01-09 18:42:20,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036609883] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:42:20,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:42:20,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 18:42:20,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642281458] [2025-01-09 18:42:20,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:42:20,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 18:42:20,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:42:20,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 18:42:20,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:42:20,938 INFO L87 Difference]: Start difference. First operand 2381 states and 3279 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-01-09 18:42:21,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:42:21,079 INFO L93 Difference]: Finished difference Result 3563 states and 4906 transitions. [2025-01-09 18:42:21,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 18:42:21,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 277 [2025-01-09 18:42:21,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:42:21,099 INFO L225 Difference]: With dead ends: 3563 [2025-01-09 18:42:21,099 INFO L226 Difference]: Without dead ends: 2387 [2025-01-09 18:42:21,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:42:21,106 INFO L435 NwaCegarLoop]: 883 mSDtfsCounter, 0 mSDsluCounter, 2636 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3519 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:42:21,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3519 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:42:21,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2025-01-09 18:42:21,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 2387. [2025-01-09 18:42:21,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2387 states, 1697 states have (on average 1.2969946965232764) internal successors, (2201), 1714 states have internal predecessors, (2201), 543 states have call successors, (543), 147 states have call predecessors, (543), 146 states have return successors, (541), 537 states have call predecessors, (541), 541 states have call successors, (541) [2025-01-09 18:42:21,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2387 states and 3285 transitions. [2025-01-09 18:42:21,301 INFO L78 Accepts]: Start accepts. Automaton has 2387 states and 3285 transitions. Word has length 277 [2025-01-09 18:42:21,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:42:21,302 INFO L471 AbstractCegarLoop]: Abstraction has 2387 states and 3285 transitions. [2025-01-09 18:42:21,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2025-01-09 18:42:21,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 3285 transitions. [2025-01-09 18:42:21,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2025-01-09 18:42:21,313 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:42:21,313 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:42:21,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 18:42:21,314 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:42:21,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:42:21,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1797337496, now seen corresponding path program 1 times [2025-01-09 18:42:21,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:42:21,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350430570] [2025-01-09 18:42:21,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:42:21,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:42:21,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 278 statements into 1 equivalence classes. [2025-01-09 18:42:21,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 278 of 278 statements. [2025-01-09 18:42:21,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:42:21,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:21,562 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2025-01-09 18:42:21,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:42:21,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350430570] [2025-01-09 18:42:21,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350430570] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:42:21,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:42:21,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:42:21,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730574886] [2025-01-09 18:42:21,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:42:21,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:42:21,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:42:21,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:42:21,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:42:21,565 INFO L87 Difference]: Start difference. First operand 2387 states and 3285 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-01-09 18:42:21,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:42:21,732 INFO L93 Difference]: Finished difference Result 3848 states and 5253 transitions. [2025-01-09 18:42:21,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:42:21,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 278 [2025-01-09 18:42:21,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:42:21,745 INFO L225 Difference]: With dead ends: 3848 [2025-01-09 18:42:21,745 INFO L226 Difference]: Without dead ends: 1501 [2025-01-09 18:42:21,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:42:21,755 INFO L435 NwaCegarLoop]: 891 mSDtfsCounter, 164 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 1672 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:42:21,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 1672 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:42:21,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2025-01-09 18:42:21,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 1490. [2025-01-09 18:42:21,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1490 states, 1064 states have (on average 1.2866541353383458) internal successors, (1369), 1075 states have internal predecessors, (1369), 321 states have call successors, (321), 105 states have call predecessors, (321), 104 states have return successors, (319), 315 states have call predecessors, (319), 319 states have call successors, (319) [2025-01-09 18:42:21,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 2009 transitions. [2025-01-09 18:42:21,835 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 2009 transitions. Word has length 278 [2025-01-09 18:42:21,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:42:21,836 INFO L471 AbstractCegarLoop]: Abstraction has 1490 states and 2009 transitions. [2025-01-09 18:42:21,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-01-09 18:42:21,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2009 transitions. [2025-01-09 18:42:21,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2025-01-09 18:42:21,843 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:42:21,843 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2025-01-09 18:42:21,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 18:42:21,843 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:42:21,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:42:21,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1059758170, now seen corresponding path program 1 times [2025-01-09 18:42:21,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:42:21,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078810374] [2025-01-09 18:42:21,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:42:21,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:42:21,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-01-09 18:42:22,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-01-09 18:42:22,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:42:22,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:22,428 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2025-01-09 18:42:22,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:42:22,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078810374] [2025-01-09 18:42:22,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078810374] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:42:22,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:42:22,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 18:42:22,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008894089] [2025-01-09 18:42:22,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:42:22,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:42:22,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:42:22,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:42:22,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:42:22,432 INFO L87 Difference]: Start difference. First operand 1490 states and 2009 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2025-01-09 18:42:22,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:42:22,546 INFO L93 Difference]: Finished difference Result 2890 states and 3921 transitions. [2025-01-09 18:42:22,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 18:42:22,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 293 [2025-01-09 18:42:22,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:42:22,559 INFO L225 Difference]: With dead ends: 2890 [2025-01-09 18:42:22,559 INFO L226 Difference]: Without dead ends: 1490 [2025-01-09 18:42:22,566 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:42:22,567 INFO L435 NwaCegarLoop]: 880 mSDtfsCounter, 2 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2626 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:42:22,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2626 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:42:22,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2025-01-09 18:42:22,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1490. [2025-01-09 18:42:22,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1490 states, 1064 states have (on average 1.2847744360902256) internal successors, (1367), 1075 states have internal predecessors, (1367), 321 states have call successors, (321), 105 states have call predecessors, (321), 104 states have return successors, (319), 315 states have call predecessors, (319), 319 states have call successors, (319) [2025-01-09 18:42:22,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 2007 transitions. [2025-01-09 18:42:22,651 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 2007 transitions. Word has length 293 [2025-01-09 18:42:22,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:42:22,652 INFO L471 AbstractCegarLoop]: Abstraction has 1490 states and 2007 transitions. [2025-01-09 18:42:22,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2025-01-09 18:42:22,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2007 transitions. [2025-01-09 18:42:22,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2025-01-09 18:42:22,658 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:42:22,658 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2025-01-09 18:42:22,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 18:42:22,659 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:42:22,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:42:22,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1470378775, now seen corresponding path program 1 times [2025-01-09 18:42:22,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:42:22,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990673180] [2025-01-09 18:42:22,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:42:22,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:42:22,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 295 statements into 1 equivalence classes. [2025-01-09 18:42:22,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 295 of 295 statements. [2025-01-09 18:42:22,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:42:22,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:23,407 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2025-01-09 18:42:23,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:42:23,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990673180] [2025-01-09 18:42:23,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990673180] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:42:23,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067776568] [2025-01-09 18:42:23,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:42:23,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:42:23,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:42:23,411 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:42:23,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 18:42:24,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 295 statements into 1 equivalence classes. [2025-01-09 18:42:24,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 295 of 295 statements. [2025-01-09 18:42:24,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:42:24,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:24,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 2060 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-09 18:42:24,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:42:24,427 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2025-01-09 18:42:24,427 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:42:24,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067776568] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:42:24,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:42:24,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2025-01-09 18:42:24,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968795335] [2025-01-09 18:42:24,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:42:24,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 18:42:24,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:42:24,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 18:42:24,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-09 18:42:24,430 INFO L87 Difference]: Start difference. First operand 1490 states and 2007 transitions. Second operand has 6 states, 5 states have (on average 23.0) internal successors, (115), 6 states have internal predecessors, (115), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-01-09 18:42:24,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:42:24,679 INFO L93 Difference]: Finished difference Result 2976 states and 4017 transitions. [2025-01-09 18:42:24,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 18:42:24,680 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.0) internal successors, (115), 6 states have internal predecessors, (115), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 295 [2025-01-09 18:42:24,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:42:24,696 INFO L225 Difference]: With dead ends: 2976 [2025-01-09 18:42:24,697 INFO L226 Difference]: Without dead ends: 1491 [2025-01-09 18:42:24,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-01-09 18:42:24,705 INFO L435 NwaCegarLoop]: 868 mSDtfsCounter, 4 mSDsluCounter, 3444 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4312 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:42:24,707 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4312 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:42:24,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2025-01-09 18:42:24,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1491. [2025-01-09 18:42:24,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1491 states, 1065 states have (on average 1.2845070422535212) internal successors, (1368), 1076 states have internal predecessors, (1368), 321 states have call successors, (321), 105 states have call predecessors, (321), 104 states have return successors, (319), 315 states have call predecessors, (319), 319 states have call successors, (319) [2025-01-09 18:42:24,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 2008 transitions. [2025-01-09 18:42:24,814 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 2008 transitions. Word has length 295 [2025-01-09 18:42:24,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:42:24,814 INFO L471 AbstractCegarLoop]: Abstraction has 1491 states and 2008 transitions. [2025-01-09 18:42:24,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.0) internal successors, (115), 6 states have internal predecessors, (115), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2025-01-09 18:42:24,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 2008 transitions. [2025-01-09 18:42:24,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2025-01-09 18:42:24,821 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:42:24,822 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2025-01-09 18:42:24,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-09 18:42:25,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:42:25,023 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:42:25,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:42:25,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1922556976, now seen corresponding path program 1 times [2025-01-09 18:42:25,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:42:25,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922056516] [2025-01-09 18:42:25,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:42:25,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:42:25,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 306 statements into 1 equivalence classes. [2025-01-09 18:42:25,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 306 of 306 statements. [2025-01-09 18:42:25,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:42:25,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:25,989 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 10 proven. 91 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2025-01-09 18:42:25,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:42:25,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922056516] [2025-01-09 18:42:25,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922056516] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:42:25,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299326363] [2025-01-09 18:42:25,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:42:25,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:42:25,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:42:25,993 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:42:25,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 18:42:26,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 306 statements into 1 equivalence classes. [2025-01-09 18:42:27,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 306 of 306 statements. [2025-01-09 18:42:27,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:42:27,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:27,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 2225 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-09 18:42:27,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:42:27,239 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 521 proven. 6 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2025-01-09 18:42:27,244 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 18:42:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 60 proven. 41 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2025-01-09 18:42:27,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299326363] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 18:42:27,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 18:42:27,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2025-01-09 18:42:27,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425785809] [2025-01-09 18:42:27,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 18:42:27,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-09 18:42:27,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:42:27,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-09 18:42:27,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-01-09 18:42:27,666 INFO L87 Difference]: Start difference. First operand 1491 states and 2008 transitions. Second operand has 14 states, 12 states have (on average 12.333333333333334) internal successors, (148), 14 states have internal predecessors, (148), 4 states have call successors, (46), 2 states have call predecessors, (46), 7 states have return successors, (49), 5 states have call predecessors, (49), 4 states have call successors, (49) [2025-01-09 18:42:27,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:42:27,990 INFO L93 Difference]: Finished difference Result 2994 states and 4040 transitions. [2025-01-09 18:42:27,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-09 18:42:27,991 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 12.333333333333334) internal successors, (148), 14 states have internal predecessors, (148), 4 states have call successors, (46), 2 states have call predecessors, (46), 7 states have return successors, (49), 5 states have call predecessors, (49), 4 states have call successors, (49) Word has length 306 [2025-01-09 18:42:27,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:42:28,002 INFO L225 Difference]: With dead ends: 2994 [2025-01-09 18:42:28,002 INFO L226 Difference]: Without dead ends: 1513 [2025-01-09 18:42:28,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 624 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2025-01-09 18:42:28,009 INFO L435 NwaCegarLoop]: 867 mSDtfsCounter, 17 mSDsluCounter, 5172 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 6039 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 18:42:28,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 6039 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 18:42:28,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2025-01-09 18:42:28,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1513. [2025-01-09 18:42:28,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1513 states, 1081 states have (on average 1.2830712303422758) internal successors, (1387), 1092 states have internal predecessors, (1387), 323 states have call successors, (323), 109 states have call predecessors, (323), 108 states have return successors, (321), 317 states have call predecessors, (321), 321 states have call successors, (321) [2025-01-09 18:42:28,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 2031 transitions. [2025-01-09 18:42:28,083 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 2031 transitions. Word has length 306 [2025-01-09 18:42:28,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:42:28,083 INFO L471 AbstractCegarLoop]: Abstraction has 1513 states and 2031 transitions. [2025-01-09 18:42:28,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 12.333333333333334) internal successors, (148), 14 states have internal predecessors, (148), 4 states have call successors, (46), 2 states have call predecessors, (46), 7 states have return successors, (49), 5 states have call predecessors, (49), 4 states have call successors, (49) [2025-01-09 18:42:28,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2031 transitions. [2025-01-09 18:42:28,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2025-01-09 18:42:28,090 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:42:28,090 INFO L218 NwaCegarLoop]: trace histogram [21, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2025-01-09 18:42:28,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-09 18:42:28,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:42:28,292 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:42:28,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:42:28,293 INFO L85 PathProgramCache]: Analyzing trace with hash -683423274, now seen corresponding path program 2 times [2025-01-09 18:42:28,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:42:28,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422227984] [2025-01-09 18:42:28,293 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 18:42:28,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:42:28,391 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 316 statements into 2 equivalence classes. [2025-01-09 18:42:28,556 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 316 of 316 statements. [2025-01-09 18:42:28,556 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-09 18:42:28,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 12 proven. 138 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2025-01-09 18:42:29,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:42:29,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422227984] [2025-01-09 18:42:29,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422227984] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:42:29,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678507488] [2025-01-09 18:42:29,276 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 18:42:29,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:42:29,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:42:29,278 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:42:29,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 18:42:29,913 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 316 statements into 2 equivalence classes. [2025-01-09 18:42:30,613 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 316 of 316 statements. [2025-01-09 18:42:30,614 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-09 18:42:30,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:30,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 2375 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-01-09 18:42:30,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:42:30,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 671 proven. 81 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2025-01-09 18:42:30,790 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 18:42:31,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 87 proven. 63 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2025-01-09 18:42:31,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678507488] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 18:42:31,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 18:42:31,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 8] total 19 [2025-01-09 18:42:31,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404902569] [2025-01-09 18:42:31,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 18:42:31,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-09 18:42:31,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:42:31,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-09 18:42:31,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2025-01-09 18:42:31,286 INFO L87 Difference]: Start difference. First operand 1513 states and 2031 transitions. Second operand has 19 states, 17 states have (on average 9.235294117647058) internal successors, (157), 19 states have internal predecessors, (157), 4 states have call successors, (46), 2 states have call predecessors, (46), 9 states have return successors, (50), 6 states have call predecessors, (50), 4 states have call successors, (50) [2025-01-09 18:42:31,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:42:31,839 INFO L93 Difference]: Finished difference Result 3018 states and 4059 transitions. [2025-01-09 18:42:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-09 18:42:31,840 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 9.235294117647058) internal successors, (157), 19 states have internal predecessors, (157), 4 states have call successors, (46), 2 states have call predecessors, (46), 9 states have return successors, (50), 6 states have call predecessors, (50), 4 states have call successors, (50) Word has length 316 [2025-01-09 18:42:31,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:42:31,851 INFO L225 Difference]: With dead ends: 3018 [2025-01-09 18:42:31,851 INFO L226 Difference]: Without dead ends: 1515 [2025-01-09 18:42:31,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 653 GetRequests, 623 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=171, Invalid=821, Unknown=0, NotChecked=0, Total=992 [2025-01-09 18:42:31,858 INFO L435 NwaCegarLoop]: 870 mSDtfsCounter, 20 mSDsluCounter, 11223 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 12093 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 18:42:31,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 12093 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 18:42:31,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2025-01-09 18:42:31,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2025-01-09 18:42:31,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1083 states have (on average 1.2825484764542936) internal successors, (1389), 1094 states have internal predecessors, (1389), 323 states have call successors, (323), 109 states have call predecessors, (323), 108 states have return successors, (321), 317 states have call predecessors, (321), 321 states have call successors, (321) [2025-01-09 18:42:31,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2033 transitions. [2025-01-09 18:42:31,933 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2033 transitions. Word has length 316 [2025-01-09 18:42:31,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:42:31,933 INFO L471 AbstractCegarLoop]: Abstraction has 1515 states and 2033 transitions. [2025-01-09 18:42:31,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 9.235294117647058) internal successors, (157), 19 states have internal predecessors, (157), 4 states have call successors, (46), 2 states have call predecessors, (46), 9 states have return successors, (50), 6 states have call predecessors, (50), 4 states have call successors, (50) [2025-01-09 18:42:31,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2033 transitions. [2025-01-09 18:42:31,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2025-01-09 18:42:31,940 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:42:31,940 INFO L218 NwaCegarLoop]: trace histogram [31, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2025-01-09 18:42:31,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-09 18:42:32,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-01-09 18:42:32,142 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:42:32,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:42:32,142 INFO L85 PathProgramCache]: Analyzing trace with hash 60778192, now seen corresponding path program 3 times [2025-01-09 18:42:32,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:42:32,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990659987] [2025-01-09 18:42:32,143 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-09 18:42:32,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:42:32,246 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 326 statements into 17 equivalence classes. [2025-01-09 18:42:32,604 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 212 of 326 statements. [2025-01-09 18:42:32,604 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-09 18:42:32,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:33,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 212 proven. 6 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2025-01-09 18:42:33,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:42:33,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990659987] [2025-01-09 18:42:33,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990659987] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:42:33,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125891591] [2025-01-09 18:42:33,188 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-09 18:42:33,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:42:33,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:42:33,196 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:42:33,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-09 18:42:33,860 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 326 statements into 17 equivalence classes. [2025-01-09 18:42:35,820 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 212 of 326 statements. [2025-01-09 18:42:35,820 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-09 18:42:35,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:35,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 1695 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-09 18:42:35,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:42:35,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 338 proven. 6 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2025-01-09 18:42:35,909 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 18:42:36,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 212 proven. 6 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2025-01-09 18:42:36,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125891591] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 18:42:36,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 18:42:36,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2025-01-09 18:42:36,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975231378] [2025-01-09 18:42:36,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 18:42:36,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-09 18:42:36,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:42:36,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-09 18:42:36,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2025-01-09 18:42:36,308 INFO L87 Difference]: Start difference. First operand 1515 states and 2033 transitions. Second operand has 19 states, 17 states have (on average 8.235294117647058) internal successors, (140), 19 states have internal predecessors, (140), 4 states have call successors, (36), 2 states have call predecessors, (36), 6 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) [2025-01-09 18:42:36,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:42:36,727 INFO L93 Difference]: Finished difference Result 3022 states and 4063 transitions. [2025-01-09 18:42:36,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-09 18:42:36,728 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 8.235294117647058) internal successors, (140), 19 states have internal predecessors, (140), 4 states have call successors, (36), 2 states have call predecessors, (36), 6 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) Word has length 326 [2025-01-09 18:42:36,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:42:36,742 INFO L225 Difference]: With dead ends: 3022 [2025-01-09 18:42:36,742 INFO L226 Difference]: Without dead ends: 1517 [2025-01-09 18:42:36,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 641 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2025-01-09 18:42:36,751 INFO L435 NwaCegarLoop]: 867 mSDtfsCounter, 21 mSDsluCounter, 8651 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 9518 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 18:42:36,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 9518 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 18:42:36,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2025-01-09 18:42:36,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1517. [2025-01-09 18:42:36,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1517 states, 1085 states have (on average 1.2820276497695853) internal successors, (1391), 1096 states have internal predecessors, (1391), 323 states have call successors, (323), 109 states have call predecessors, (323), 108 states have return successors, (321), 317 states have call predecessors, (321), 321 states have call successors, (321) [2025-01-09 18:42:36,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 2035 transitions. [2025-01-09 18:42:36,817 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 2035 transitions. Word has length 326 [2025-01-09 18:42:36,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:42:36,818 INFO L471 AbstractCegarLoop]: Abstraction has 1517 states and 2035 transitions. [2025-01-09 18:42:36,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 8.235294117647058) internal successors, (140), 19 states have internal predecessors, (140), 4 states have call successors, (36), 2 states have call predecessors, (36), 6 states have return successors, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) [2025-01-09 18:42:36,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 2035 transitions. [2025-01-09 18:42:36,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2025-01-09 18:42:36,825 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:42:36,825 INFO L218 NwaCegarLoop]: trace histogram [41, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2025-01-09 18:42:36,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-09 18:42:37,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-01-09 18:42:37,026 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:42:37,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:42:37,028 INFO L85 PathProgramCache]: Analyzing trace with hash 510874966, now seen corresponding path program 4 times [2025-01-09 18:42:37,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:42:37,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126274187] [2025-01-09 18:42:37,028 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-09 18:42:37,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:42:37,130 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 336 statements into 2 equivalence classes. [2025-01-09 18:42:37,250 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 336 of 336 statements. [2025-01-09 18:42:37,251 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-09 18:42:37,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:38,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 202 proven. 103 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2025-01-09 18:42:38,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:42:38,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126274187] [2025-01-09 18:42:38,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126274187] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:42:38,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148897759] [2025-01-09 18:42:38,240 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-09 18:42:38,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:42:38,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:42:38,245 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:42:38,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-09 18:42:39,046 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 336 statements into 2 equivalence classes. [2025-01-09 18:42:41,565 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 336 of 336 statements. [2025-01-09 18:42:41,565 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-09 18:42:41,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:41,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 2675 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-01-09 18:42:41,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:42:41,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 1184 proven. 10 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2025-01-09 18:42:41,678 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 18:42:42,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 140 proven. 165 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2025-01-09 18:42:42,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148897759] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 18:42:42,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 18:42:42,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2025-01-09 18:42:42,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595501162] [2025-01-09 18:42:42,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 18:42:42,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-09 18:42:42,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:42:42,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-09 18:42:42,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2025-01-09 18:42:42,097 INFO L87 Difference]: Start difference. First operand 1517 states and 2035 transitions. Second operand has 22 states, 20 states have (on average 7.6) internal successors, (152), 22 states have internal predecessors, (152), 4 states have call successors, (44), 2 states have call predecessors, (44), 6 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2025-01-09 18:42:42,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:42:42,502 INFO L93 Difference]: Finished difference Result 3020 states and 4062 transitions. [2025-01-09 18:42:42,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-09 18:42:42,503 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 7.6) internal successors, (152), 22 states have internal predecessors, (152), 4 states have call successors, (44), 2 states have call predecessors, (44), 6 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) Word has length 336 [2025-01-09 18:42:42,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:42:42,516 INFO L225 Difference]: With dead ends: 3020 [2025-01-09 18:42:42,517 INFO L226 Difference]: Without dead ends: 1518 [2025-01-09 18:42:42,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 686 GetRequests, 659 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=161, Invalid=595, Unknown=0, NotChecked=0, Total=756 [2025-01-09 18:42:42,525 INFO L435 NwaCegarLoop]: 867 mSDtfsCounter, 15 mSDsluCounter, 9504 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 10371 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 18:42:42,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 10371 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 18:42:42,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2025-01-09 18:42:42,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1518. [2025-01-09 18:42:42,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1518 states, 1086 states have (on average 1.2808471454880295) internal successors, (1391), 1097 states have internal predecessors, (1391), 323 states have call successors, (323), 109 states have call predecessors, (323), 108 states have return successors, (321), 317 states have call predecessors, (321), 321 states have call successors, (321) [2025-01-09 18:42:42,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 2035 transitions. [2025-01-09 18:42:42,590 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 2035 transitions. Word has length 336 [2025-01-09 18:42:42,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:42:42,590 INFO L471 AbstractCegarLoop]: Abstraction has 1518 states and 2035 transitions. [2025-01-09 18:42:42,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 7.6) internal successors, (152), 22 states have internal predecessors, (152), 4 states have call successors, (44), 2 states have call predecessors, (44), 6 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2025-01-09 18:42:42,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 2035 transitions. [2025-01-09 18:42:42,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2025-01-09 18:42:42,597 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:42:42,598 INFO L218 NwaCegarLoop]: trace histogram [47, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2025-01-09 18:42:42,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-09 18:42:42,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-01-09 18:42:42,799 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:42:42,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:42:42,801 INFO L85 PathProgramCache]: Analyzing trace with hash -362815682, now seen corresponding path program 5 times [2025-01-09 18:42:42,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:42:42,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384581628] [2025-01-09 18:42:42,801 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-09 18:42:42,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:42:42,909 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 342 statements into 18 equivalence classes. [2025-01-09 18:42:42,966 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 41 of 342 statements. [2025-01-09 18:42:42,966 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-01-09 18:42:42,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:42:43,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2315 backedges. 18 proven. 369 refuted. 0 times theorem prover too weak. 1928 trivial. 0 not checked. [2025-01-09 18:42:43,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:42:43,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384581628] [2025-01-09 18:42:43,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384581628] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:42:43,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926656209] [2025-01-09 18:42:43,418 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-09 18:42:43,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:42:43,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:42:43,422 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:42:43,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-09 18:42:44,168 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 342 statements into 18 equivalence classes. [2025-01-09 18:43:01,282 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 41 of 342 statements. [2025-01-09 18:43:01,282 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-01-09 18:43:01,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:43:01,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-09 18:43:01,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:43:01,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2315 backedges. 688 proven. 15 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2025-01-09 18:43:01,410 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 18:43:01,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2315 backedges. 18 proven. 369 refuted. 0 times theorem prover too weak. 1928 trivial. 0 not checked. [2025-01-09 18:43:01,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926656209] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 18:43:01,816 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 18:43:01,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2025-01-09 18:43:01,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134612000] [2025-01-09 18:43:01,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 18:43:01,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-09 18:43:01,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:43:01,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-09 18:43:01,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2025-01-09 18:43:01,819 INFO L87 Difference]: Start difference. First operand 1518 states and 2035 transitions. Second operand has 25 states, 23 states have (on average 6.6521739130434785) internal successors, (153), 25 states have internal predecessors, (153), 4 states have call successors, (46), 2 states have call predecessors, (46), 6 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2025-01-09 18:43:02,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:43:02,236 INFO L93 Difference]: Finished difference Result 3022 states and 4057 transitions. [2025-01-09 18:43:02,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-09 18:43:02,237 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 6.6521739130434785) internal successors, (153), 25 states have internal predecessors, (153), 4 states have call successors, (46), 2 states have call predecessors, (46), 6 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) Word has length 342 [2025-01-09 18:43:02,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:43:02,251 INFO L225 Difference]: With dead ends: 3022 [2025-01-09 18:43:02,251 INFO L226 Difference]: Without dead ends: 1519 [2025-01-09 18:43:02,257 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 669 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=190, Invalid=740, Unknown=0, NotChecked=0, Total=930 [2025-01-09 18:43:02,258 INFO L435 NwaCegarLoop]: 867 mSDtfsCounter, 17 mSDsluCounter, 12093 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 12960 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 18:43:02,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 12960 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 18:43:02,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2025-01-09 18:43:02,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1519. [2025-01-09 18:43:02,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 1087 states have (on average 1.280588776448942) internal successors, (1392), 1098 states have internal predecessors, (1392), 323 states have call successors, (323), 109 states have call predecessors, (323), 108 states have return successors, (321), 317 states have call predecessors, (321), 321 states have call successors, (321) [2025-01-09 18:43:02,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2036 transitions. [2025-01-09 18:43:02,318 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2036 transitions. Word has length 342 [2025-01-09 18:43:02,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:43:02,318 INFO L471 AbstractCegarLoop]: Abstraction has 1519 states and 2036 transitions. [2025-01-09 18:43:02,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 6.6521739130434785) internal successors, (153), 25 states have internal predecessors, (153), 4 states have call successors, (46), 2 states have call predecessors, (46), 6 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2025-01-09 18:43:02,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2036 transitions. [2025-01-09 18:43:02,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2025-01-09 18:43:02,323 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:43:02,323 INFO L218 NwaCegarLoop]: trace histogram [53, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2025-01-09 18:43:02,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-09 18:43:02,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:43:02,525 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:43:02,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:43:02,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1784627990, now seen corresponding path program 6 times [2025-01-09 18:43:02,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:43:02,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593577343] [2025-01-09 18:43:02,526 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-09 18:43:02,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:43:02,663 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 348 statements into 18 equivalence classes. [2025-01-09 18:43:03,319 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 228 of 348 statements. [2025-01-09 18:43:03,321 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-01-09 18:43:03,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:43:04,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2678 backedges. 20 proven. 460 refuted. 0 times theorem prover too weak. 2198 trivial. 0 not checked. [2025-01-09 18:43:04,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:43:04,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593577343] [2025-01-09 18:43:04,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593577343] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:43:04,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308808494] [2025-01-09 18:43:04,688 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-09 18:43:04,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:43:04,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:43:04,691 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:43:04,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-09 18:43:05,462 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 348 statements into 18 equivalence classes.